#B56331
Closest named color: Copper (#B66325). oklch(58.5% 0.123 49.6), rgb(181, 99, 49).
Aa
Black text reads best on this color (4.79:1).
About this color
#B56331 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 59%, its chroma 0.123 and its hue 50°. Its hue sits on the warm side of the wheel. The nearest named color is Copper (#B66325), ΔE 0.010 away. Black text reads best on it, at 4.79:1.
| Hue family | Browns |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.123) |
| Temperature | warm |
| Nearest name | Copper (#B66325) |
| Black text | 4.79:1 |
| White text | 4.38:1 |
Values
| HEX | #B56331 |
| RGB | rgb(181, 99, 49) |
| HSL | hsl(23, 57%, 45%) |
| OKLCH | oklch(58.5% 0.123 49.6) |
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 #B56331 | 4.38:1 | AA large text | Lc -75.5 | Fine for body text |
| Black text on #B56331 | 4.79:1 | AA | Lc 34.1 | Non-text elements, placeholder text |
| #B56331 text on white | 4.38:1 | AA large text | Lc 70.0 | Content text, not long reading |
| #B56331 text on black | 4.79:1 | AA | Lc -31.7 | 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 600.
-
Step 50
50
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F3E7E1
oklch(93.6% 0.015 48.6)
-
Step 200
200
#EBD4C8
oklch(88.6% 0.03 49.4)
-
Step 300
300
#DFB7A1
oklch(80.9% 0.055 50.4)
-
Step 400
400
#CE906E
oklch(70.7% 0.089 49.6)
-
Step 500
500
#C07347
oklch(63.1% 0.114 49.4)
-
Step 600
600 (this color)
#B56331
oklch(58.5% 0.123 49.6)
-
Step 700
700
#934A1A
oklch(49.2% 0.115 49.8)
-
Step 800
800
#773D18
oklch(42.7% 0.095 50)
-
Step 900
900
#60341A
oklch(37.5% 0.074 49.5)
-
Step 950
950
#391F10
oklch(27% 0.048 49.7)
#B56331 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) | #7A6D2B | 0.106 |
| Deuteranopia (no green cones) | #8E8030 | 0.097 |
| Tritanopia (no blue cones) | #C65258 | 0.074 |
| Achromatopsia (no color) | #797979 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B56331
#B56331
oklch(58.5% 0.123 49.6)
- #0088B3
#0088B3
oklch(58.6% 0.116 229.4)
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 #B56331, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Copper #B66325 ΔE 0.010
- Orangey Brown #B16002 ΔE 0.027
- Umber #B26400 ΔE 0.028
- Orange Brown #BE6400 ΔE 0.029
- Tiger's Eye #BC6C25 ΔE 0.030
- Clay Brown #B2713D ΔE 0.032
- Adobe #BD6C48 ΔE 0.033
- Clay #B66A50 ΔE 0.033
Use #B56331 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.