#6B271A
Closest named color: Chestnut (#742802). oklch(37.1% 0.1 32.7), rgb(107, 39, 26).
Aa
White text reads best on this color (10.87:1).
About this color
#6B271A is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.100 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.027 away. White text reads best on it, at 10.87:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.100) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.93:1 |
| White text | 10.87:1 |
Values
| HEX | #6B271A |
| RGB | rgb(107, 39, 26) |
| HSL | hsl(10, 61%, 26%) |
| OKLCH | oklch(37.1% 0.1 32.7) |
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 #6B271A | 10.87:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #6B271A | 1.93:1 | Fails | Lc 9.4 | Not readable |
| #6B271A text on white | 10.87:1 | AAA | Lc 94.5 | Preferred for body text |
| #6B271A 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
#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
#EDAFA2
oklch(80.8% 0.075 32.1)
-
Step 400
400
#E1836F
oklch(70.7% 0.12 32.9)
-
Step 500
500
#D66049
oklch(63.1% 0.154 32.7)
-
Step 600
600
#C1422A
oklch(55.5% 0.167 32.8)
-
Step 700
700
#A7331D
oklch(49.2% 0.156 32.8)
-
Step 800
800
#872C1A
oklch(42.7% 0.128 33.1)
-
Step 900
900 (this color)
#6B271A
oklch(37.1% 0.1 32.7)
-
Step 950
950
#401911
oklch(27% 0.063 33.1)
#6B271A 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) | #3A3418 | 0.102 |
| Deuteranopia (no green cones) | #4A4318 | 0.096 |
| Tritanopia (no blue cones) | #761824 | 0.038 |
| Achromatopsia (no color) | #3D3D3D | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B271A
#6B271A
oklch(37.1% 0.1 32.7)
- #004954
#004954
oklch(37.2% 0.065 211.8)
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 #6B271A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.027
- Reddy Brown #6E1005 ΔE 0.037
- Blood #770001 ΔE 0.049
- Maroon #800000 ΔE 0.055
- Purple Brown #673A3F ΔE 0.057
- Wine Red #7B0323 ΔE 0.057
- Claret #680018 ΔE 0.060
- Bordeaux #7B002C ΔE 0.067
Use #6B271A 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.