#B4611B
Closest named color: Copper (#B66325). oklch(57.9% 0.132 54.8), rgb(180, 97, 27).
Aa
Black text reads best on this color (4.66:1).
About this color
#B4611B is a medium-dark, moderately saturated brown. In OKLCH its lightness is 58%, its chroma 0.132 and its hue 55°. Its hue sits on the warm side of the wheel. The nearest named color is Copper (#B66325), ΔE 0.008 away. Black text reads best on it, at 4.66:1.
| Hue family | Browns |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.132) |
| Temperature | warm |
| Nearest name | Copper (#B66325) |
| Black text | 4.66:1 |
| White text | 4.50:1 |
Values
| HEX | #B4611B |
| RGB | rgb(180, 97, 27) |
| HSL | hsl(27, 74%, 41%) |
| OKLCH | oklch(57.9% 0.132 54.8) |
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 #B4611B | 4.50:1 | AA | Lc -76.3 | Fine for body text |
| Black text on #B4611B | 4.66:1 | AA | Lc 33.3 | Non-text elements, placeholder text |
| #B4611B text on white | 4.50:1 | AA | Lc 70.8 | Content text, not long reading |
| #B4611B text on black | 4.66:1 | AA | Lc -30.9 | 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
#F4E7DF
oklch(93.6% 0.018 54)
-
Step 200
200
#EBD4C5
oklch(88.5% 0.033 55.3)
-
Step 300
300
#E0B79D
oklch(80.9% 0.059 54)
-
Step 400
400
#CF9066
oklch(70.6% 0.095 54.2)
-
Step 500
500
#C1733A
oklch(63% 0.122 54.4)
-
Step 600
600 (this color)
#B4611B
oklch(57.9% 0.132 54.8)
-
Step 700
700
#944A00
oklch(49.2% 0.122 54.7)
-
Step 800
800
#783D07
oklch(42.7% 0.102 55.1)
-
Step 900
900
#613512
oklch(37.8% 0.079 55.4)
-
Step 950
950
#391F0C
oklch(27% 0.05 54.8)
#B4611B 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) | #7A6B0D | 0.107 |
| Deuteranopia (no green cones) | #8D7E1A | 0.097 |
| Tritanopia (no blue cones) | #C64E54 | 0.087 |
| Achromatopsia (no color) | #777777 | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4611B
#B4611B
oklch(57.9% 0.132 54.8)
- #0084B7
#0084B7
oklch(57.9% 0.122 234.6)
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 #B4611B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Copper #B66325 ΔE 0.008
- Orangey Brown #B16002 ΔE 0.012
- Umber #B26400 ΔE 0.015
- Orange Brown #BE6400 ΔE 0.023
- Brown Orange #B96902 ΔE 0.026
- Raw Umber #A75E09 ΔE 0.028
- Tiger's Eye #BC6C25 ΔE 0.031
- Burnt Siena #B75203 ΔE 0.032
Use #B4611B 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.