#6B2307
Closest named color: Chestnut (#742802). oklch(36.3% 0.109 38.9), rgb(107, 35, 7).
Aa
White text reads best on this color (11.23:1).
About this color
#6B2307 is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.109 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.024 away. White text reads best on it, at 11.23:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.109) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.86:1 |
| White text | 11.23:1 |
Values
| HEX | #6B2307 |
| RGB | rgb(107, 35, 7) |
| HSL | hsl(17, 88%, 22%) |
| OKLCH | oklch(36.3% 0.109 38.9) |
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 #6B2307 | 11.23:1 | AAA | Lc -99.0 | Preferred for body text |
| Black text on #6B2307 | 1.86:1 | Fails | Lc 8.8 | Not readable |
| #6B2307 text on white | 11.23:1 | AAA | Lc 95.1 | Preferred for body text |
| #6B2307 text on black | 1.86:1 | Fails | Lc -7.5 | 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
#F9E5DE
oklch(93.6% 0.024 40.3)
-
Step 200
200
#F5D0C3
oklch(88.6% 0.045 40.3)
-
Step 300
300
#F0AF9A
oklch(81% 0.082 38.7)
-
Step 400
400
#E58261
oklch(70.8% 0.131 39.1)
-
Step 500
500
#DA5D32
oklch(63% 0.167 38.7)
-
Step 600
600
#C54000
oklch(55.7% 0.179 38.9)
-
Step 700
700
#A63500
oklch(49.1% 0.157 39.1)
-
Step 800
800
#892A00
oklch(42.6% 0.137 39)
-
Step 900
900 (this color)
#6B2307
oklch(36.3% 0.109 38.9)
-
Step 950
950
#42180A
oklch(27.1% 0.069 38.5)
#6B2307 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) | #383103 | 0.109 |
| Deuteranopia (no green cones) | #4A4103 | 0.099 |
| Tritanopia (no blue cones) | #770E1E | 0.048 |
| Achromatopsia (no color) | #3B3B3B | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B2307
#6B2307
oklch(36.3% 0.109 38.9)
- #004655
#004655
oklch(36.4% 0.065 218.2)
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 #6B2307, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.024
- Reddy Brown #6E1005 ΔE 0.030
- Blood #770001 ΔE 0.044
- Maroon #800000 ΔE 0.052
- Claret #680018 ΔE 0.059
- Wine Red #7B0323 ΔE 0.062
- Dark Red #8B0000 ΔE 0.070
- Purple Brown #673A3F ΔE 0.072
Use #6B2307 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.