#B37A57
Closest named color: Tan Brown (#AB7E4C). oklch(63% 0.087 52.1), rgb(179, 122, 87).
Aa
Black text reads best on this color (5.83:1).
About this color
#B37A57 is a medium-light, moderately saturated orange. In OKLCH its lightness is 63%, its chroma 0.087 and its hue 52°. Its hue sits on the warm side of the wheel. The nearest named color is Tan Brown (#AB7E4C), ΔE 0.024 away. Black text reads best on it, at 5.83:1.
| Hue family | Oranges |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.087) |
| Temperature | warm |
| Nearest name | Tan Brown (#AB7E4C) |
| Black text | 5.83:1 |
| White text | 3.59:1 |
Values
| HEX | #B37A57 |
| RGB | rgb(179, 122, 87) |
| HSL | hsl(23, 38%, 52%) |
| OKLCH | oklch(63% 0.087 52.1) |
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 #B37A57 | 3.59:1 | AA large text | Lc -68.9 | Content text, not long reading |
| Black text on #B37A57 | 5.83:1 | AA | Lc 40.7 | Non-text elements, placeholder text |
| #B37A57 text on white | 3.59:1 | AA large text | Lc 63.4 | Content text, not long reading |
| #B37A57 text on black | 5.83:1 | AA | Lc -38.3 | 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
#F9F4F2
oklch(97% 0.006 43.3)
-
Step 100
100
#F1E8E3
oklch(93.7% 0.012 51.3)
-
Step 200
200
#E7D5CB
oklch(88.5% 0.024 51.1)
-
Step 300
300
#D8BAA8
oklch(81% 0.043 52.9)
-
Step 400
400
#C3957A
oklch(70.6% 0.067 51.7)
-
Step 500
500 (this color)
#B37A57
oklch(63% 0.087 52.1)
-
Step 600
600
#9F633C
oklch(55.7% 0.095 52.6)
-
Step 700
700
#87512F
oklch(49% 0.087 51.6)
-
Step 800
800
#6E4327
oklch(42.7% 0.073 52.7)
-
Step 900
900
#593924
oklch(37.7% 0.056 53.5)
-
Step 950
950
#342116
oklch(26.9% 0.035 50.8)
#B37A57 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) | #8A8054 | 0.069 |
| Deuteranopia (no green cones) | #978C57 | 0.064 |
| Tritanopia (no blue cones) | #C16F71 | 0.057 |
| Achromatopsia (no color) | #878787 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B37A57
#B37A57
oklch(63% 0.087 52.1)
- #4E92B5
#4E92B5
oklch(62.9% 0.087 232.9)
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 #B37A57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tan Brown #AB7E4C ΔE 0.024
- Light Brown #AD8150 ΔE 0.025
- Puce #A57E52 ΔE 0.027
- Pinkish Brown #B17261 ΔE 0.029
- Clay Brown #B2713D ΔE 0.031
- Coffee #A6814C ΔE 0.034
- Adobe #BD6C48 ΔE 0.035
- Clay #B66A50 ΔE 0.038
Use #B37A57 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.