#B15732
Closest named color: Burnt Siena (#B75203). oklch(56% 0.128 42), rgb(177, 87, 50).
Aa
White text reads best on this color (4.90:1).
About this color
#B15732 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 56%, its chroma 0.128 and its hue 42°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Siena (#B75203), ΔE 0.027 away. White text reads best on it, at 4.90:1.
| Hue family | Browns |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.128) |
| Temperature | warm |
| Nearest name | Burnt Siena (#B75203) |
| Black text | 4.27:1 |
| White text | 4.90:1 |
Values
| HEX | #B15732 |
| RGB | rgb(177, 87, 50) |
| HSL | hsl(17, 56%, 45%) |
| OKLCH | oklch(56% 0.128 42) |
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 #B15732 | 4.90:1 | AA | Lc -78.9 | Fine for body text |
| Black text on #B15732 | 4.27:1 | AA large text | Lc 30.6 | Non-text elements, placeholder text |
| #B15732 text on white | 4.90:1 | AA | Lc 73.5 | Content text, not long reading |
| #B15732 text on black | 4.27:1 | AA large text | Lc -28.2 | 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
#EDD3C9
oklch(88.6% 0.032 42.2)
-
Step 300
300
#E2B5A4
oklch(80.9% 0.058 41.7)
-
Step 400
400
#D28D73
oklch(70.7% 0.092 41.4)
-
Step 500
500
#C46F4E
oklch(63% 0.118 41.6)
-
Step 600
600 (this color)
#B15732
oklch(56% 0.128 42)
-
Step 700
700
#974523
oklch(49.1% 0.12 41.7)
-
Step 800
800
#7A3A1F
oklch(42.7% 0.098 42.4)
-
Step 900
900
#63321F
oklch(37.7% 0.077 41.4)
-
Step 950
950
#3A1E13
oklch(27% 0.048 41.9)
#B15732 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) | #70642E | 0.120 |
| Deuteranopia (no green cones) | #857830 | 0.111 |
| Tritanopia (no blue cones) | #C2454F | 0.065 |
| Achromatopsia (no color) | #717171 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B15732
#B15732
oklch(56% 0.128 42)
- #0081A0
#0081A0
oklch(55.9% 0.104 222.5)
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 #B15732, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Siena #B75203 ΔE 0.027
- Cinnamon #AC4F06 ΔE 0.032
- Burnt Orange #C04E01 ΔE 0.036
- Copper #B66325 ΔE 0.036
- Sienna #A0522D ΔE 0.036
- Brick Orange #C14A09 ΔE 0.038
- Earth #A2653E ΔE 0.038
- Orangey Brown #B16002 ΔE 0.040
Use #B15732 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.