#B5641E
Closest named color: Copper (#B66325). oklch(58.6% 0.13 55.9), rgb(181, 100, 30).
Aa
Black text reads best on this color (4.80:1).
About this color
#B5641E is a medium-dark, moderately saturated brown. In OKLCH its lightness is 59%, its chroma 0.130 and its hue 56°. Its hue sits on the warm side of the wheel. The nearest named color is Copper (#B66325), ΔE 0.006 away. Black text reads best on it, at 4.80:1.
| Hue family | Browns |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.130) |
| Temperature | warm |
| Nearest name | Copper (#B66325) |
| Black text | 4.80:1 |
| White text | 4.36:1 |
Values
| HEX | #B5641E |
| RGB | rgb(181, 100, 30) |
| HSL | hsl(28, 72%, 41%) |
| OKLCH | oklch(58.6% 0.13 55.9) |
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 #B5641E | 4.36:1 | AA large text | Lc -75.3 | Fine for body text |
| Black text on #B5641E | 4.80:1 | AA | Lc 34.2 | Non-text elements, placeholder text |
| #B5641E text on white | 4.36:1 | AA large text | Lc 69.9 | Content text, not long reading |
| #B5641E text on black | 4.80:1 | AA | Lc -31.8 | 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 600.
-
Step 50
50
#FAF4F0
oklch(97.1% 0.008 56.3)
-
Step 100
100
#F3E7DF
oklch(93.5% 0.017 56.2)
-
Step 200
200
#EBD4C5
oklch(88.5% 0.033 55.3)
-
Step 300
300
#DFB79D
oklch(80.8% 0.058 54.7)
-
Step 400
400
#CE9166
oklch(70.7% 0.094 55.7)
-
Step 500
500
#C0743A
oklch(63.1% 0.12 55.6)
-
Step 600
600 (this color)
#B5641E
oklch(58.6% 0.13 55.9)
-
Step 700
700
#934B00
oklch(49.2% 0.121 55.9)
-
Step 800
800
#773E07
oklch(42.7% 0.1 56.5)
-
Step 900
900
#603512
oklch(37.6% 0.078 56.1)
-
Step 950
950
#391F0C
oklch(27% 0.05 54.8)
#B5641E 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) | #7C6D11 | 0.104 |
| Deuteranopia (no green cones) | #8F801D | 0.094 |
| Tritanopia (no blue cones) | #C75257 | 0.088 |
| Achromatopsia (no color) | #797979 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5641E
#B5641E
oklch(58.6% 0.13 55.9)
- #0086BC
#0086BC
oklch(58.6% 0.126 235.8)
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 #B5641E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Copper #B66325 ΔE 0.006
- Umber #B26400 ΔE 0.014
- Orangey Brown #B16002 ΔE 0.016
- Orange Brown #BE6400 ΔE 0.019
- Brown Orange #B96902 ΔE 0.020
- Tiger's Eye #BC6C25 ΔE 0.024
- Caramel #AF6F09 ΔE 0.032
- Raw Umber #A75E09 ΔE 0.033
Use #B5641E 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.