#B37551
Closest named color: Clay Brown (#B2713D). oklch(61.9% 0.093 50.5), rgb(179, 117, 81).
Aa
Black text reads best on this color (5.58:1).
About this color
#B37551 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 62%, its chroma 0.093 and its hue 50°. Its hue sits on the warm side of the wheel. The nearest named color is Clay Brown (#B2713D), ΔE 0.022 away. Black text reads best on it, at 5.58:1.
| Hue family | Browns |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.093) |
| Temperature | warm |
| Nearest name | Clay Brown (#B2713D) |
| Black text | 5.58:1 |
| White text | 3.76:1 |
Values
| HEX | #B37551 |
| RGB | rgb(179, 117, 81) |
| HSL | hsl(22, 39%, 51%) |
| OKLCH | oklch(61.9% 0.093 50.5) |
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 #B37551 | 3.76:1 | AA large text | Lc -70.5 | Content text, not long reading |
| Black text on #B37551 | 5.58:1 | AA | Lc 39.1 | Non-text elements, placeholder text |
| #B37551 text on white | 3.76:1 | AA large text | Lc 65.0 | Content text, not long reading |
| #B37551 text on black | 5.58:1 | AA | Lc -36.7 | 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
#F2E8E2
oklch(93.7% 0.014 53.3)
-
Step 200
200
#E8D5CB
oklch(88.6% 0.025 49.7)
-
Step 300
300
#DAB9A7
oklch(81% 0.046 50.3)
-
Step 400
400
#C69477
oklch(70.7% 0.073 51.3)
-
Step 500
500 (this color)
#B37551
oklch(61.9% 0.093 50.5)
-
Step 600
600
#A26039
oklch(55.5% 0.101 50)
-
Step 700
700
#8B4F2B
oklch(49.1% 0.095 50)
-
Step 800
800
#714125
oklch(42.7% 0.078 49.7)
-
Step 900
900
#5B3823
oklch(37.8% 0.06 51.1)
-
Step 950
950
#362115
oklch(27.1% 0.039 50.3)
#B37551 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) | #867B4E | 0.076 |
| Deuteranopia (no green cones) | #958951 | 0.070 |
| Tritanopia (no blue cones) | #C2696C | 0.060 |
| Achromatopsia (no color) | #848484 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B37551
#B37551
oklch(61.9% 0.093 50.5)
- #4290B4
#4290B4
oklch(61.9% 0.094 230.9)
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 #B37551, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clay Brown #B2713D ΔE 0.022
- Pinkish Brown #B17261 ΔE 0.025
- Adobe #BD6C48 ΔE 0.025
- Clay #B66A50 ΔE 0.027
- Tan Brown #AB7E4C ΔE 0.029
- Puce #A57E52 ΔE 0.032
- Light Brown #AD8150 ΔE 0.033
- Leather #AC7434 ΔE 0.034
Use #B37551 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.