#B37643
Closest named color: Clay Brown (#B2713D). oklch(61.9% 0.102 59.2), rgb(179, 118, 67).
Aa
Black text reads best on this color (5.58:1).
About this color
#B37643 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 62%, its chroma 0.102 and its hue 59°. Its hue sits on the warm side of the wheel. The nearest named color is Clay Brown (#B2713D), ΔE 0.013 away. Black text reads best on it, at 5.58:1.
| Hue family | Browns |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.102) |
| Temperature | warm |
| Nearest name | Clay Brown (#B2713D) |
| Black text | 5.58:1 |
| White text | 3.75:1 |
Values
| HEX | #B37643 |
| RGB | rgb(179, 118, 67) |
| HSL | hsl(27, 46%, 48%) |
| OKLCH | oklch(61.9% 0.102 59.2) |
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 #B37643 | 3.75:1 | AA large text | Lc -70.4 | Content text, not long reading |
| Black text on #B37643 | 5.58:1 | AA | Lc 39.2 | Non-text elements, placeholder text |
| #B37643 text on white | 3.75:1 | AA large text | Lc 64.9 | Content text, not long reading |
| #B37643 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
#F9F4F1
oklch(97% 0.007 53.4)
-
Step 100
100
#F2E8E1
oklch(93.7% 0.014 57.6)
-
Step 200
200
#E8D5C8
oklch(88.5% 0.028 56.7)
-
Step 300
300
#DABAA1
oklch(81% 0.05 60)
-
Step 400
400
#C6956E
oklch(70.7% 0.08 59.5)
-
Step 500
500 (this color)
#B37643
oklch(61.9% 0.102 59.2)
-
Step 600
600
#A26127
oklch(55.5% 0.111 58.7)
-
Step 700
700
#8B5019
oklch(49.1% 0.103 58.7)
-
Step 800
800
#714218
oklch(42.7% 0.085 58.7)
-
Step 900
900
#5B381A
oklch(37.6% 0.066 59.2)
-
Step 950
950
#362110
oklch(27% 0.043 58.6)
#B37643 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) | #887B3E | 0.074 |
| Deuteranopia (no green cones) | #978943 | 0.066 |
| Tritanopia (no blue cones) | #C2696A | 0.073 |
| Achromatopsia (no color) | #848484 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B37643
#B37643
oklch(61.9% 0.102 59.2)
- #448EBD
#448EBD
oklch(62% 0.102 239.3)
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 #B37643, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clay Brown #B2713D ΔE 0.013
- Leather #AC7434 ΔE 0.020
- Tan Brown #AB7E4C ΔE 0.022
- Light Brown #AD8150 ΔE 0.028
- Puce #A57E52 ΔE 0.029
- Tiger's Eye #BC6C25 ΔE 0.030
- Adobe #BD6C48 ΔE 0.032
- Coffee #A6814C ΔE 0.032
Use #B37643 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.