Raw Sienna

Renaissance base color, natural earth from Siena, Italy

HEX#B57440

RGBrgb(181, 116, 64)

HSLhsl(27, 48%, 48%)

HSVhsv(27, 65%, 71%)

CMYKcmyk(0%, 36%, 65%, 29%)

HEXA#B57440FF

RGBArgba(181, 116, 64, 1)

HSLAhsla(27, 48%, 48%, 1)

OKLCHoklch(79.4%, 0.073, 69)

LCHlch(75.7%, 23.4, 86)

🎨 Color Palettes

Analogous2-3 adjacent hues (≤60°)

Triadic3 hues spaced 120° apart

Split ComplementaryMain color + colors adjacent to its complement

Complementary2 hues spaced 180° apart

Tetradic (Rectangle)4 hues forming a rectangle

MonochromaticSingle hue with varying saturation and lightness

♿ WCAG Contrast Colors

Learn More →

Aa14px Body

High Contrast Text

#FFFFFFRatio 3.8:1AA Large

Suitable for body text, headings, and primary content, ensuring readability for all users

Aa14px Body

Standard Text

#FEFEFBRatio 3.8:1AA Large

Suitable for regular body content, meeting WCAG AA standards

Aa14px Body

Large Text / UI Components

#D8EAC3Ratio 3:1AA Large

Suitable for large text (≥18px bold or ≥24px), icons, UI component boundaries

Aa14px Body

Decorative / Dividers

#70CD99Ratio 2:1Fail

Suitable for decorative elements, dividers, non-essential text

📊 Color Scales

Online Color Picker → Gradient Generator →

Lightness VariationFixed hue and saturation, stepwise lightness adjustment ±30%

#442C18

#6A4425

#8F5C32

#B57540

#C78F60

#D5A986

#E2C4AC

Saturation VariationFixed hue and lightness, stepwise saturation adjustment ±30%

#907864

#9D7758

#A9764C

#B57540

#C17333

#CE7227

#DA711B

Lightness + Saturation Mixed VariationSimultaneous lightness and saturation adjustment

#4B392A

#6A4C34

#8B5F3C

#AF7241

#C88651

#D79B6A

#E4B086

Hue Fine-TuningFixed saturation and lightness, stepwise hue fine-tuning ±15°

#B55740

#B56140

#B56B40

#B57540

#B57E40

#B58840

#B59240

💡 Use Cases

🎨

Oil Painting Primer

As a primer for canvas, raw sienna provides a warm and even base for subsequent painting, enhancing color unity.

🛋️

Italian-style Furniture

Used for finishes on Tuscan-style furniture, raw sienna showcases sun-baked wood grain, warm and rugged.

🧥

Leather Jackets

Leather jackets in raw sienna are vintage and fashionable, a highlight in autumn/winter streetwear.

🏛️

Museum Display Walls

As a wall color for history or art museums, raw sienna complements the historical feel and artistic value of exhibits.

📜 Origin & History

Raw Sienna is derived from natural clay found near the city of Siena in Tuscany, Italy, used for cave paintings since prehistoric times. Its name 'Sienna' originates from that city, and it was one of the core base colors of the Renaissance.

In the early Renaissance, painters like Giotto and Masaccio widely used raw sienna as the base layer for frescoes. Its warm tone provided a unified visual foundation for subsequent bright colors.

During the Baroque period, painters like Rubens and Van Dyck used raw sienna extensively to depict skin tones and warm shadows, making it the 'foundation of flesh tones' in European portraiture.

Today, raw sienna remains one of the most commonly used warm browns in oil and watercolor painting, cherished by contemporary artists for its perfect balance of transparency and tinting strength.

🧠 Color Psychology

WarmA hue originating from the sunlit earth of Tuscany, like an Italian afternoon, brimming with abundant warmth and vitality.

BrightCompared to other browns, raw sienna has higher brightness, carrying an open, positive, and uplifting mood, free from melancholy.

ApproachableA tone close to human skin color, possessing a natural sense of familiarity and inclusiveness, making one feel comfortable and accepted.

ArtisticClosely linked to the golden age of Renaissance art, this color inherently carries the cultural heritage and artistic temperament of humanism.

VitalityA high-saturation warm tone that can lift the spirit, stimulate creativity and the desire for expression, suitable for art creation spaces.

NaturalEntirely derived from natural minerals, without the rawness of industrial production, evoking the primal beauty of the earth and mountains.

← Back to Explore Colors