#6B2811
Closest named color: Chestnut (#742802). oklch(37.1% 0.102 38.5), rgb(107, 40, 17).
Aa
White text reads best on this color (10.84:1).
About this color
#6B2811 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.102 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.021 away. White text reads best on it, at 10.84:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.102) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.93:1 |
| White text | 10.84:1 |
Values
| HEX | #6B2811 |
| RGB | rgb(107, 40, 17) |
| HSL | hsl(15, 73%, 24%) |
| OKLCH | oklch(37.1% 0.102 38.5) |
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 #6B2811 | 10.84:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #6B2811 | 1.93:1 | Fails | Lc 9.5 | Not readable |
| #6B2811 text on white | 10.84:1 | AAA | Lc 94.4 | Preferred for body text |
| #6B2811 text on black | 1.93:1 | Fails | Lc -8.1 | 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
#FCF3F0
oklch(97% 0.011 39.4)
-
Step 100
100
#F8E5DF
oklch(93.5% 0.022 38.3)
-
Step 200
200
#F3D0C5
oklch(88.4% 0.042 38.2)
-
Step 300
300
#EDB09D
oklch(80.9% 0.077 38)
-
Step 400
400
#E18466
oklch(70.7% 0.123 38.6)
-
Step 500
500
#D6613B
oklch(63.1% 0.157 38.3)
-
Step 600
600
#C14414
oklch(55.6% 0.169 38.5)
-
Step 700
700
#A63402
oklch(49% 0.158 38.4)
-
Step 800
800
#872D0A
oklch(42.7% 0.13 38.6)
-
Step 900
900 (this color)
#6B2811
oklch(37.1% 0.102 38.5)
-
Step 950
950
#40190D
oklch(27% 0.065 37.7)
#6B2811 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) | #3B340E | 0.101 |
| Deuteranopia (no green cones) | #4B430F | 0.093 |
| Tritanopia (no blue cones) | #761823 | 0.045 |
| Achromatopsia (no color) | #3D3D3D | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B2811
#6B2811
oklch(37.1% 0.102 38.5)
- #004858
#004858
oklch(37.1% 0.067 219)
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 #6B2811, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.021
- Reddy Brown #6E1005 ΔE 0.039
- Blood #770001 ΔE 0.051
- Maroon #800000 ΔE 0.057
- Purple Brown #673A3F ΔE 0.062
- Wine Red #7B0323 ΔE 0.064
- Claret #680018 ΔE 0.066
- Dark Red #8B0000 ΔE 0.072
Use #6B2811 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.