#6B2518
Closest named color: Chestnut (#742802). oklch(36.8% 0.103 32.6), rgb(107, 37, 24).
Aa
White text reads best on this color (11.03:1).
About this color
#6B2518 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.103 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.028 away. White text reads best on it, at 11.03:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.103) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.90:1 |
| White text | 11.03:1 |
Values
| HEX | #6B2518 |
| RGB | rgb(107, 37, 24) |
| HSL | hsl(9, 63%, 26%) |
| OKLCH | oklch(36.8% 0.103 32.6) |
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 #6B2518 | 11.03:1 | AAA | Lc -98.7 | Preferred for body text |
| Black text on #6B2518 | 1.90:1 | Fails | Lc 9.1 | Not readable |
| #6B2518 text on white | 11.03:1 | AAA | Lc 94.8 | Preferred for body text |
| #6B2518 text on black | 1.90:1 | Fails | Lc -7.8 | 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
#E3826E
oklch(70.7% 0.124 32.6)
-
Step 500
500
#D85E47
oklch(63.1% 0.159 32.5)
-
Step 600
600
#C34028
oklch(55.6% 0.171 32.6)
-
Step 700
700
#A8301A
oklch(49% 0.16 32.6)
-
Step 800
800
#892A19
oklch(42.8% 0.132 32.5)
-
Step 900
900 (this color)
#6B2518
oklch(36.8% 0.103 32.6)
-
Step 950
950
#411810
oklch(27% 0.066 32.7)
#6B2518 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) | #383216 | 0.107 |
| Deuteranopia (no green cones) | #4A4216 | 0.097 |
| Tritanopia (no blue cones) | #761422 | 0.039 |
| Achromatopsia (no color) | #3C3C3C | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B2518
#6B2518
oklch(36.8% 0.103 32.6)
- #004853
#004853
oklch(36.9% 0.064 212)
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 #6B2518, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.028
- Reddy Brown #6E1005 ΔE 0.032
- Blood #770001 ΔE 0.045
- Maroon #800000 ΔE 0.053
- Wine Red #7B0323 ΔE 0.055
- Claret #680018 ΔE 0.056
- Purple Brown #673A3F ΔE 0.061
- Bordeaux #7B002C ΔE 0.065
Use #6B2518 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.