#6B220B
Closest named color: Chestnut (#742802). oklch(36.2% 0.109 36.9), rgb(107, 34, 11).
Aa
White text reads best on this color (11.29:1).
About this color
#6B220B is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.109 and its hue 37°. 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 11.29:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.109) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.85:1 |
| White text | 11.29:1 |
Values
| HEX | #6B220B |
| RGB | rgb(107, 34, 11) |
| HSL | hsl(14, 81%, 23%) |
| OKLCH | oklch(36.2% 0.109 36.9) |
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 #6B220B | 11.29:1 | AAA | Lc -99.1 | Preferred for body text |
| Black text on #6B220B | 1.85:1 | Fails | Lc 8.7 | Not readable |
| #6B220B text on white | 11.29:1 | AAA | Lc 95.2 | Preferred for body text |
| #6B220B text on black | 1.85:1 | Fails | Lc -7.4 | 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
#FDF3F0
oklch(97.1% 0.012 37.4)
-
Step 100
100
#F9E5DF
oklch(93.6% 0.023 37.4)
-
Step 200
200
#F5CFC4
oklch(88.4% 0.046 36.7)
-
Step 300
300
#F0AF9B
oklch(81% 0.082 37.8)
-
Step 400
400
#E58164
oklch(70.6% 0.131 37)
-
Step 500
500
#DB5C37
oklch(63.1% 0.168 36.8)
-
Step 600
600
#C63D09
oklch(55.6% 0.181 37.1)
-
Step 700
700
#A93000
oklch(49.1% 0.164 37)
-
Step 800
800
#8B2804
oklch(42.8% 0.14 37)
-
Step 900
900 (this color)
#6B220B
oklch(36.2% 0.109 36.9)
-
Step 950
950
#42180B
oklch(27.1% 0.069 37.6)
#6B220B 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) | #373007 | 0.111 |
| Deuteranopia (no green cones) | #494107 | 0.102 |
| Tritanopia (no blue cones) | #760D1E | 0.045 |
| Achromatopsia (no color) | #3A3A3A | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B220B
#6B220B
oklch(36.2% 0.109 36.9)
- #004654
#004654
oklch(36.3% 0.065 216.8)
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 #6B220B, 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 0.027
- Blood #770001 ΔE 0.042
- Maroon #800000 ΔE 0.051
- Claret #680018 ΔE 0.056
- Wine Red #7B0323 ΔE 0.059
- Dark Red #8B0000 ΔE 0.069
- Bordeaux #7B002C ΔE 0.070
Use #6B220B 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.