#6B271F
Closest named color: Chestnut (#742802). oklch(37.2% 0.099 29.3), rgb(107, 39, 31).
Aa
White text reads best on this color (10.85:1).
About this color
#6B271F is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.099 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.032 away. White text reads best on it, at 10.85:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.099) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.93:1 |
| White text | 10.85:1 |
Values
| HEX | #6B271F |
| RGB | rgb(107, 39, 31) |
| HSL | hsl(6, 55%, 27%) |
| OKLCH | oklch(37.2% 0.099 29.3) |
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 #6B271F | 10.85:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #6B271F | 1.93:1 | Fails | Lc 9.4 | Not readable |
| #6B271F text on white | 10.85:1 | AAA | Lc 94.5 | Preferred for body text |
| #6B271F 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
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F8E5E2
oklch(93.6% 0.021 28.3)
-
Step 200
200
#F3D0CA
oklch(88.6% 0.04 29.4)
-
Step 300
300
#EDAFA5
oklch(80.9% 0.075 29.1)
-
Step 400
400
#E18375
oklch(70.8% 0.118 29.4)
-
Step 500
500
#D66051
oklch(63.2% 0.152 29.3)
-
Step 600
600
#C14234
oklch(55.6% 0.165 29.5)
-
Step 700
700
#A63227
oklch(49% 0.154 29.2)
-
Step 800
800
#872B22
oklch(42.7% 0.127 29)
-
Step 900
900 (this color)
#6B271F
oklch(37.2% 0.099 29.3)
-
Step 950
950
#401914
oklch(27.1% 0.062 29.2)
#6B271F 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) | #39341E | 0.103 |
| Deuteranopia (no green cones) | #4A431D | 0.096 |
| Tritanopia (no blue cones) | #761825 | 0.035 |
| Achromatopsia (no color) | #3D3D3D | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B271F
#6B271F
oklch(37.2% 0.099 29.3)
- #004952
#004952
oklch(37.1% 0.064 208.8)
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 #6B271F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.032
- Reddy Brown #6E1005 ΔE 0.038
- Blood #770001 ΔE 0.050
- Purple Brown #673A3F ΔE 0.054
- Wine Red #7B0323 ΔE 0.054
- Maroon #800000 ΔE 0.056
- Claret #680018 ΔE 0.058
- Bordeaux #7B002C ΔE 0.063
Use #6B271F 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.