#B25A28

Closest named color: Burnt Siena (#B75203). oklch(56.5% 0.13 47.3), rgb(178, 90, 40).

Aa

White text reads best on this color (4.78:1).

About this color

#B25A28 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 57%, its chroma 0.130 and its hue 47°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Siena (#B75203), ΔE 0.021 away. White text reads best on it, at 4.78:1.

Hue familyBrowns
Lightnessmedium-dark (57%)
Chromamoderately saturated (0.130)
Temperaturewarm
Nearest nameBurnt Siena (#B75203)
Black text4.38:1
White text4.78:1

Values

HEX#B25A28
RGBrgb(178, 90, 40)
HSLhsl(22, 63%, 43%)
OKLCHoklch(56.5% 0.13 47.3)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #B25A28 4.78:1 AA Lc -78.2 Fine for body text
Black text on #B25A28 4.38:1 AA large text Lc 31.3 Non-text elements, placeholder text
#B25A28 text on white 4.78:1 AA Lc 72.7 Content text, not long reading
#B25A28 text on black 4.38:1 AA large text Lc -28.9 Dividers and decoration only

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.

  1. Step 50

    50

    #FAF4F1

    oklch(97.1% 0.008 48.7)

  2. Step 100

    100

    #F4E7E0

    oklch(93.6% 0.017 50.4)

  3. Step 200

    200

    #ECD3C7

    oklch(88.4% 0.032 47.3)

  4. Step 300

    300

    #E1B6A1

    oklch(80.9% 0.058 47.4)

  5. Step 400

    400

    #D18E6D

    oklch(70.6% 0.094 47)

  6. Step 500

    500

    #C47145

    oklch(63.2% 0.12 47.5)

  7. Step 600

    600 (this color)

    #B25A28

    oklch(56.5% 0.13 47.3)

  8. Step 700

    700

    #964717

    oklch(49.1% 0.121 47.5)

  9. Step 800

    800

    #7A3B16

    oklch(42.8% 0.1 47.7)

  10. Step 900

    900

    #633319

    oklch(37.8% 0.079 47.4)

  11. Step 950

    950

    #3A1E10

    oklch(27% 0.05 46.4)

Export this scale for Tailwind in the Tailwind colors tool

#B25A28 with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#7366220.116
Deuteranopia (no green cones)#887A260.106
Tritanopia (no blue cones)#C347500.075
Achromatopsia (no color)#7272720.131

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #B25A28

    #B25A28

    oklch(56.5% 0.13 47.3)

  • #0082A8

    #0082A8

    oklch(56.6% 0.11 227.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #B25A28

    #B25A28

    oklch(56.5% 0.13 47.3)

  • #B65159

    #B65159

    oklch(56.5% 0.131 17.4)

  • #9C6B00

    #9C6B00

    oklch(56.5% 0.118 77.2)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #B25A28

    #B25A28

    oklch(56.5% 0.13 47.3)

  • #00878A

    #00878A

    oklch(56.6% 0.096 197.5)

  • #4176C1

    #4176C1

    oklch(56.6% 0.13 257.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #B25A28

    #B25A28

    oklch(56.5% 0.13 47.3)

  • #008B68

    #008B68

    oklch(56.5% 0.115 167.4)

  • #7367BE

    #7367BE

    oklch(56.5% 0.131 287.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #B25A28

    #B25A28

    oklch(56.5% 0.13 47.3)

  • #4E8735

    #4E8735

    oklch(56.5% 0.13 137.3)

  • #0082A8

    #0082A8

    oklch(56.6% 0.11 227.3)

  • #955BA8

    #955BA8

    oklch(56.6% 0.131 317.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #B25A28, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #B25A28 in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.