#B15929
Closest named color: Burnt Siena (#B75203). oklch(56.2% 0.13 46.6), rgb(177, 89, 41).
Aa
White text reads best on this color (4.84:1).
About this color
#B15929 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 56%, 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 4.84:1.
| Hue family | Browns |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.130) |
| Temperature | warm |
| Nearest name | Burnt Siena (#B75203) |
| Black text | 4.33:1 |
| White text | 4.84:1 |
Values
| HEX | #B15929 |
| RGB | rgb(177, 89, 41) |
| HSL | hsl(21, 62%, 43%) |
| OKLCH | oklch(56.2% 0.13 46.6) |
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 #B15929 | 4.84:1 | AA | Lc -78.6 | Fine for body text |
| Black text on #B15929 | 4.33:1 | AA large text | Lc 30.9 | Non-text elements, placeholder text |
| #B15929 text on white | 4.84:1 | AA | Lc 73.1 | Content text, not long reading |
| #B15929 text on black | 4.33:1 | 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
#ECD3C7
oklch(88.4% 0.032 47.3)
-
Step 300
300
#E1B6A1
oklch(80.9% 0.058 47.4)
-
Step 400
400
#D18E6E
oklch(70.6% 0.093 46.3)
-
Step 500
500
#C47147
oklch(63.2% 0.119 46.6)
-
Step 600
600 (this color)
#B15929
oklch(56.2% 0.13 46.6)
-
Step 700
700
#964719
oklch(49.1% 0.12 46.9)
-
Step 800
800
#7A3B18
oklch(42.8% 0.1 46.8)
-
Step 900
900
#63331A
oklch(37.8% 0.078 46.7)
-
Step 950
950
#3A1E10
oklch(27% 0.05 46.4)
#B15929 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) | #726523 | 0.116 |
| Deuteranopia (no green cones) | #877927 | 0.106 |
| Tritanopia (no blue cones) | #C2464F | 0.073 |
| Achromatopsia (no color) | #717171 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B15929
#B15929
oklch(56.2% 0.13 46.6)
- #0081A6
#0081A6
oklch(56.2% 0.108 226.8)
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 #B15929, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Siena #B75203 ΔE 0.021
- Copper #B66325 ΔE 0.028
- Cinnamon #AC4F06 ΔE 0.029
- Orangey Brown #B16002 ΔE 0.030
- Raw Umber #A75E09 ΔE 0.032
- Burnt Orange #C04E01 ΔE 0.033
- Earth #A2653E ΔE 0.036
- Rust Orange #C45508 ΔE 0.036
Use #B15929 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.