#6B2618
Closest named color: Chestnut (#742802). oklch(36.9% 0.102 33.3), rgb(107, 38, 24).
Aa
White text reads best on this color (10.96:1).
About this color
#6B2618 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.102 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 10.96:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.102) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.91:1 |
| White text | 10.96:1 |
Values
| HEX | #6B2618 |
| RGB | rgb(107, 38, 24) |
| HSL | hsl(10, 63%, 26%) |
| OKLCH | oklch(36.9% 0.102 33.3) |
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 #6B2618 | 10.96:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #6B2618 | 1.91:1 | Fails | Lc 9.2 | Not readable |
| #6B2618 text on white | 10.96:1 | AAA | Lc 94.7 | Preferred for body text |
| #6B2618 text on black | 1.91:1 | Fails | Lc -7.9 | 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
#F8E5E0
oklch(93.6% 0.022 35.1)
-
Step 200
200
#F4D0C7
oklch(88.6% 0.043 34.3)
-
Step 300
300
#EEAFA1
oklch(80.9% 0.077 32.9)
-
Step 400
400
#E2836E
oklch(70.8% 0.122 33.4)
-
Step 500
500
#D75F46
oklch(63.1% 0.157 33.4)
-
Step 600
600
#C24127
oklch(55.5% 0.17 33.3)
-
Step 700
700
#A7321A
oklch(49.1% 0.157 33.3)
-
Step 800
800
#882B18
oklch(42.7% 0.131 33.4)
-
Step 900
900 (this color)
#6B2618
oklch(36.9% 0.102 33.3)
-
Step 950
950
#401910
oklch(27% 0.063 34.3)
#6B2618 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) | #393316 | 0.104 |
| Deuteranopia (no green cones) | #4A4216 | 0.096 |
| Tritanopia (no blue cones) | #761623 | 0.039 |
| Achromatopsia (no color) | #3C3C3C | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B2618
#6B2618
oklch(36.9% 0.102 33.3)
- #004854
#004854
oklch(36.9% 0.065 213.4)
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 #6B2618, 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 0.034
- Blood #770001 ΔE 0.047
- Maroon #800000 ΔE 0.054
- Wine Red #7B0323 ΔE 0.057
- Claret #680018 ΔE 0.059
- Purple Brown #673A3F ΔE 0.060
- Bordeaux #7B002C ΔE 0.067
Use #6B2618 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.