#6B291B
Closest named color: Chestnut (#742802). oklch(37.4% 0.098 33.6), rgb(107, 41, 27).
Aa
White text reads best on this color (10.72:1).
About this color
#6B291B is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.098 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.026 away. White text reads best on it, at 10.72:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.098) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.95:1 |
| White text | 10.72:1 |
Values
| HEX | #6B291B |
| RGB | rgb(107, 41, 27) |
| HSL | hsl(11, 60%, 26%) |
| OKLCH | oklch(37.4% 0.098 33.6) |
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 #6B291B | 10.72:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #6B291B | 1.95:1 | Fails | Lc 9.7 | Not readable |
| #6B291B text on white | 10.72:1 | AAA | Lc 94.2 | Preferred for body text |
| #6B291B text on black | 1.95:1 | Fails | Lc -8.3 | Not readable |
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 900.
-
Step 50
50
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F8E5E1
oklch(93.6% 0.022 31.8)
-
Step 200
200
#F3D0C8
oklch(88.5% 0.041 33)
-
Step 300
300
#ECB0A2
oklch(80.9% 0.073 33.5)
-
Step 400
400
#E0846F
oklch(70.7% 0.118 33.7)
-
Step 500
500
#D46249
oklch(63.1% 0.15 33.8)
-
Step 600
600
#C0452B
oklch(55.7% 0.163 33.6)
-
Step 700
700
#A5351D
oklch(49.1% 0.152 33.7)
-
Step 800
800
#862D1B
oklch(42.7% 0.126 33.3)
-
Step 900
900 (this color)
#6B291B
oklch(37.4% 0.098 33.6)
-
Step 950
950
#401911
oklch(27% 0.063 33.1)
#6B291B 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) | #3B3519 | 0.099 |
| Deuteranopia (no green cones) | #4B4319 | 0.091 |
| Tritanopia (no blue cones) | #761B26 | 0.039 |
| Achromatopsia (no color) | #3E3E3E | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B291B
#6B291B
oklch(37.4% 0.098 33.6)
- #004956
#004956
oklch(37.3% 0.066 214.7)
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 #6B291B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.026
- Reddy Brown #6E1005 ΔE 0.041
- Blood #770001 ΔE 0.052
- Purple Brown #673A3F ΔE 0.054
- Maroon #800000 ΔE 0.057
- Wine Red #7B0323 ΔE 0.060
- Claret #680018 ΔE 0.064
- Bordeaux #7B002C ΔE 0.069
Use #6B291B 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.