#B57440
Closest named color: Clay Brown (#B2713D). oklch(61.8% 0.106 57.7), rgb(181, 116, 64).
Aa
Black text reads best on this color (5.53:1).
About this color
#B57440 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 62%, its chroma 0.106 and its hue 58°. Its hue sits on the warm side of the wheel. The nearest named color is Clay Brown (#B2713D), ΔE 0.010 away. Black text reads best on it, at 5.53:1.
| Hue family | Browns |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.106) |
| Temperature | warm |
| Nearest name | Clay Brown (#B2713D) |
| Black text | 5.53:1 |
| White text | 3.79:1 |
Values
| HEX | #B57440 |
| RGB | rgb(181, 116, 64) |
| HSL | hsl(27, 48%, 48%) |
| OKLCH | oklch(61.8% 0.106 57.7) |
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 #B57440 | 3.79:1 | AA large text | Lc -70.7 | Content text, not long reading |
| Black text on #B57440 | 5.53:1 | AA | Lc 38.9 | Non-text elements, placeholder text |
| #B57440 text on white | 3.79:1 | AA large text | Lc 65.2 | Content text, not long reading |
| #B57440 text on black | 5.53:1 | AA | Lc -36.4 | 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
#F2E8E0
oklch(93.7% 0.015 61.3)
-
Step 200
200
#E9D5C7
oklch(88.6% 0.029 57.3)
-
Step 300
300
#DBB9A0
oklch(80.9% 0.052 58.3)
-
Step 400
400
#C8946C
oklch(70.7% 0.083 58.5)
-
Step 500
500 (this color)
#B57440
oklch(61.8% 0.106 57.7)
-
Step 600
600
#A56023
oklch(55.7% 0.116 57.8)
-
Step 700
700
#8D4F15
oklch(49.2% 0.107 58)
-
Step 800
800
#734115
oklch(42.8% 0.089 57.6)
-
Step 900
900
#5D3719
oklch(37.7% 0.069 56.7)
-
Step 950
950
#36210F
oklch(27% 0.044 59.9)
#B57440 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) | #877A3B | 0.080 |
| Deuteranopia (no green cones) | #978940 | 0.072 |
| Tritanopia (no blue cones) | #C56668 | 0.075 |
| Achromatopsia (no color) | #838383 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B57440
#B57440
oklch(61.8% 0.106 57.7)
- #3D8EBE
#3D8EBE
oklch(61.8% 0.107 238.1)
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 #B57440, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clay Brown #B2713D ΔE 0.010
- Leather #AC7434 ΔE 0.021
- Tiger's Eye #BC6C25 ΔE 0.025
- Tan Brown #AB7E4C ΔE 0.028
- Adobe #BD6C48 ΔE 0.028
- Light Brown #AD8150 ΔE 0.033
- Puce #A57E52 ΔE 0.034
- Clay #B66A50 ΔE 0.036
Use #B57440 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.