#B56138
Closest named color: Copper (#B66325). oklch(58.3% 0.122 45.4), rgb(181, 97, 56).
Aa
Black text reads best on this color (4.73:1).
About this color
#B56138 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 58%, its chroma 0.122 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Copper (#B66325), ΔE 0.019 away. Black text reads best on it, at 4.73:1.
| Hue family | Browns |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.122) |
| Temperature | warm |
| Nearest name | Copper (#B66325) |
| Black text | 4.73:1 |
| White text | 4.43:1 |
Values
| HEX | #B56138 |
| RGB | rgb(181, 97, 56) |
| HSL | hsl(20, 53%, 46%) |
| OKLCH | oklch(58.3% 0.122 45.4) |
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 #B56138 | 4.43:1 | AA large text | Lc -75.9 | Fine for body text |
| Black text on #B56138 | 4.73:1 | AA | Lc 33.7 | Non-text elements, placeholder text |
| #B56138 text on white | 4.43:1 | AA large text | Lc 70.4 | Content text, not long reading |
| #B56138 text on black | 4.73:1 | AA | Lc -31.3 | 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 600.
-
Step 50
50
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F4E7E1
oklch(93.7% 0.016 46.6)
-
Step 200
200
#EBD3C9
oklch(88.4% 0.03 44)
-
Step 300
300
#E0B6A4
oklch(80.9% 0.055 44.4)
-
Step 400
400
#CF8F72
oklch(70.7% 0.088 45.2)
-
Step 500
500
#C1724D
oklch(63.1% 0.112 45.3)
-
Step 600
600 (this color)
#B56138
oklch(58.3% 0.122 45.4)
-
Step 700
700
#944822
oklch(49.1% 0.114 45)
-
Step 800
800
#783C1E
oklch(42.7% 0.094 45.5)
-
Step 900
900
#61341E
oklch(37.7% 0.073 45.8)
-
Step 950
950
#391F12
oklch(27.1% 0.046 46.7)
#B56138 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) | #786C34 | 0.110 |
| Deuteranopia (no green cones) | #8C7F37 | 0.101 |
| Tritanopia (no blue cones) | #C65058 | 0.069 |
| Achromatopsia (no color) | #787878 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B56138
#B56138
oklch(58.3% 0.122 45.4)
- #0088AD
#0088AD
oklch(58.3% 0.111 225.6)
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 #B56138, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Copper #B66325 ΔE 0.019
- Clay #B66A50 ΔE 0.029
- Adobe #BD6C48 ΔE 0.033
- Earth #A2653E ΔE 0.034
- Orangey Brown #B16002 ΔE 0.034
- Umber #B26400 ΔE 0.037
- Orange Brown #BE6400 ΔE 0.038
- Clay Brown #B2713D ΔE 0.038
Use #B56138 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.