#B57437
Closest named color: Clay Brown (#B2713D). oklch(61.6% 0.112 61.2), rgb(181, 116, 55).
Aa
Black text reads best on this color (5.51:1).
About this color
#B57437 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 62%, its chroma 0.112 and its hue 61°. Its hue sits on the warm side of the wheel. The nearest named color is Clay Brown (#B2713D), ΔE 0.012 away. Black text reads best on it, at 5.51:1.
| Hue family | Browns |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.112) |
| Temperature | warm |
| Nearest name | Clay Brown (#B2713D) |
| Black text | 5.51:1 |
| White text | 3.80:1 |
Values
| HEX | #B57437 |
| RGB | rgb(181, 116, 55) |
| HSL | hsl(29, 53%, 46%) |
| OKLCH | oklch(61.6% 0.112 61.2) |
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 #B57437 | 3.80:1 | AA large text | Lc -70.8 | Content text, not long reading |
| Black text on #B57437 | 5.51:1 | AA | Lc 38.7 | Non-text elements, placeholder text |
| #B57437 text on white | 3.80:1 | AA large text | Lc 65.3 | Content text, not long reading |
| #B57437 text on black | 5.51:1 | AA | Lc -36.3 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F9F4F1
oklch(97% 0.007 53.4)
-
Step 100
100
#F2E8DF
oklch(93.6% 0.016 64.7)
-
Step 200
200
#E9D5C5
oklch(88.5% 0.031 61.1)
-
Step 300
300
#DBB99D
oklch(80.8% 0.055 61.4)
-
Step 400
400
#C99467
oklch(70.7% 0.088 61)
-
Step 500
500 (this color)
#B57437
oklch(61.6% 0.112 61.2)
-
Step 600
600
#A56014
oklch(55.6% 0.121 61.3)
-
Step 700
700
#8D4F02
oklch(49.1% 0.113 61.5)
-
Step 800
800
#73410A
oklch(42.7% 0.094 61.1)
-
Step 900
900
#5D3713
oklch(37.6% 0.073 60.5)
-
Step 950
950
#37210D
oklch(27.1% 0.046 61)
#B57437 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) | #887A30 | 0.079 |
| Deuteranopia (no green cones) | #978938 | 0.072 |
| Tritanopia (no blue cones) | #C56667 | 0.082 |
| Achromatopsia (no color) | #838383 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B57437
#B57437
oklch(61.6% 0.112 61.2)
- #3D8DC2
#3D8DC2
oklch(61.7% 0.112 241)
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 #B57437, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clay Brown #B2713D ΔE 0.012
- Leather #AC7434 ΔE 0.017
- Tiger's Eye #BC6C25 ΔE 0.021
- Tan Brown #AB7E4C ΔE 0.029
- Caramel #AF6F09 ΔE 0.030
- Brown Orange #B96902 ΔE 0.032
- Adobe #BD6C48 ΔE 0.034
- Light Brown #AD8150 ΔE 0.035
Use #B57437 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.