#B37648
Closest named color: Clay Brown (#B2713D). oklch(62% 0.098 56.7), rgb(179, 118, 72).
Aa
Black text reads best on this color (5.60:1).
About this color
#B37648 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 62%, its chroma 0.098 and its hue 57°. Its hue sits on the warm side of the wheel. The nearest named color is Clay Brown (#B2713D), ΔE 0.015 away. Black text reads best on it, at 5.60:1.
| Hue family | Browns |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.098) |
| Temperature | warm |
| Nearest name | Clay Brown (#B2713D) |
| Black text | 5.60:1 |
| White text | 3.74:1 |
Values
| HEX | #B37648 |
| RGB | rgb(179, 118, 72) |
| HSL | hsl(26, 43%, 49%) |
| OKLCH | oklch(62% 0.098 56.7) |
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 #B37648 | 3.74:1 | AA large text | Lc -70.4 | Content text, not long reading |
| Black text on #B37648 | 5.60:1 | AA | Lc 39.2 | Non-text elements, placeholder text |
| #B37648 text on white | 3.74:1 | AA large text | Lc 64.9 | Content text, not long reading |
| #B37648 text on black | 5.60:1 | AA | Lc -36.8 | 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
#E8D5C9
oklch(88.5% 0.027 54.5)
-
Step 300
300
#DAB9A3
oklch(80.9% 0.049 55.6)
-
Step 400
400
#C69571
oklch(70.8% 0.077 57.4)
-
Step 500
500 (this color)
#B37648
oklch(62% 0.098 56.7)
-
Step 600
600
#A2612D
oklch(55.6% 0.107 56.6)
-
Step 700
700
#8A5020
oklch(49% 0.099 56.8)
-
Step 800
800
#71421C
oklch(42.8% 0.083 56.7)
-
Step 900
900
#5B381D
oklch(37.7% 0.064 56.8)
-
Step 950
950
#362112
oklch(27.1% 0.041 55.6)
#B37648 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) | #887C44 | 0.074 |
| Deuteranopia (no green cones) | #968948 | 0.067 |
| Tritanopia (no blue cones) | #C26A6B | 0.068 |
| Achromatopsia (no color) | #848484 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B37648
#B37648
oklch(62% 0.098 56.7)
- #448FBA
#448FBA
oklch(62.1% 0.099 236.5)
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 #B37648, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clay Brown #B2713D ΔE 0.015
- Tan Brown #AB7E4C ΔE 0.023
- Leather #AC7434 ΔE 0.025
- Light Brown #AD8150 ΔE 0.028
- Puce #A57E52 ΔE 0.028
- Adobe #BD6C48 ΔE 0.029
- Coffee #A6814C ΔE 0.033
- Tiger's Eye #BC6C25 ΔE 0.033
Use #B37648 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.