#B15931
Closest named color: Burnt Siena (#B75203). oklch(56.3% 0.127 43.7), rgb(177, 89, 49).
Aa
White text reads best on this color (4.83:1).
About this color
#B15931 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 56%, its chroma 0.127 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Siena (#B75203), ΔE 0.026 away. White text reads best on it, at 4.83:1.
| Hue family | Browns |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.127) |
| Temperature | warm |
| Nearest name | Burnt Siena (#B75203) |
| Black text | 4.34:1 |
| White text | 4.83:1 |
Values
| HEX | #B15931 |
| RGB | rgb(177, 89, 49) |
| HSL | hsl(19, 57%, 44%) |
| OKLCH | oklch(56.3% 0.127 43.7) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #B15931 | 4.83:1 | AA | Lc -78.5 | Fine for body text |
| Black text on #B15931 | 4.34:1 | AA large text | Lc 31.0 | Non-text elements, placeholder text |
| #B15931 text on white | 4.83:1 | AA | Lc 73.1 | Content text, not long reading |
| #B15931 text on black | 4.34:1 | AA large text | Lc -28.6 | 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.
-
Step 50
50
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F4E7E1
oklch(93.7% 0.016 46.6)
-
Step 200
200
#ECD3C9
oklch(88.5% 0.031 43.1)
-
Step 300
300
#E1B6A3
oklch(81% 0.057 45.1)
-
Step 400
400
#D18E72
oklch(70.7% 0.091 43.5)
-
Step 500
500
#C3704C
oklch(63% 0.117 43.7)
-
Step 600
600 (this color)
#B15931
oklch(56.3% 0.127 43.7)
-
Step 700
700
#964621
oklch(49% 0.119 43.5)
-
Step 800
800
#7A3A1E
oklch(42.7% 0.098 42.9)
-
Step 900
900
#62331E
oklch(37.7% 0.075 44)
-
Step 950
950
#3A1E12
oklch(27% 0.049 43.5)
#B15931 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.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #71662D | 0.117 |
| Deuteranopia (no green cones) | #87792F | 0.107 |
| Tritanopia (no blue cones) | #C24750 | 0.067 |
| Achromatopsia (no color) | #727272 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B15931
#B15931
oklch(56.3% 0.127 43.7)
- #0082A3
#0082A3
oklch(56.3% 0.106 223.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #B15931, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Siena #B75203 ΔE 0.026
- Copper #B66325 ΔE 0.031
- Cinnamon #AC4F06 ΔE 0.033
- Earth #A2653E ΔE 0.035
- Burnt Orange #C04E01 ΔE 0.036
- Orangey Brown #B16002 ΔE 0.036
- Raw Umber #A75E09 ΔE 0.038
- Sienna #A0522D ΔE 0.038
Use #B15931 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.