#B15325
Closest named color: Burnt Siena (#B75203). oklch(55.2% 0.136 44.2), rgb(177, 83, 37).
Aa
White text reads best on this color (5.08:1).
About this color
#B15325 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 55%, its chroma 0.136 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Siena (#B75203), ΔE 0.019 away. White text reads best on it, at 5.08:1.
| Hue family | Browns |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.136) |
| Temperature | warm |
| Nearest name | Burnt Siena (#B75203) |
| Black text | 4.13:1 |
| White text | 5.08:1 |
Values
| HEX | #B15325 |
| RGB | rgb(177, 83, 37) |
| HSL | hsl(20, 65%, 42%) |
| OKLCH | oklch(55.2% 0.136 44.2) |
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 #B15325 | 5.08:1 | AA | Lc -79.9 | Fine for body text |
| Black text on #B15325 | 4.13:1 | AA large text | Lc 29.6 | Dividers and decoration only |
| #B15325 text on white | 5.08:1 | AA | Lc 74.5 | Content text, not long reading |
| #B15325 text on black | 4.13:1 | AA large text | Lc -27.2 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F5E6E0
oklch(93.5% 0.018 43.2)
-
Step 200
200
#EED3C7
oklch(88.6% 0.034 45.5)
-
Step 300
300
#E3B5A1
oklch(80.9% 0.06 44.7)
-
Step 400
400
#D48D6E
oklch(70.8% 0.097 44.3)
-
Step 500
500
#C76E46
oklch(63.1% 0.125 44.1)
-
Step 600
600 (this color)
#B15325
oklch(55.2% 0.136 44.2)
-
Step 700
700
#994419
oklch(49.1% 0.126 44.1)
-
Step 800
800
#7C3817
oklch(42.6% 0.105 44)
-
Step 900
900
#64311A
oklch(37.6% 0.081 43.8)
-
Step 950
950
#3B1D10
oklch(26.9% 0.052 43.5)
#B15325 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) | #6D611F | 0.127 |
| Deuteranopia (no green cones) | #847623 | 0.115 |
| Tritanopia (no blue cones) | #C23E49 | 0.071 |
| Achromatopsia (no color) | #6E6E6E | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B15325
#B15325
oklch(55.2% 0.136 44.2)
- #007E9F
#007E9F
oklch(55.1% 0.104 224.5)
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 #B15325, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Siena #B75203 ΔE 0.019
- Cinnamon #AC4F06 ΔE 0.020
- Burnt Orange #C04E01 ΔE 0.030
- Brick Orange #C14A09 ΔE 0.032
- Sienna #A0522D ΔE 0.033
- Raw Umber #A75E09 ΔE 0.038
- Rust Orange #C45508 ΔE 0.039
- Orangey Brown #B16002 ΔE 0.039
Use #B15325 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.