#6B2520
Closest named color: Chestnut (#742802). oklch(36.9% 0.101 27.2), rgb(107, 37, 32).
Aa
White text reads best on this color (10.99:1).
About this color
#6B2520 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.101 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.035 away. White text reads best on it, at 10.99:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.101) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.91:1 |
| White text | 10.99:1 |
Values
| HEX | #6B2520 |
| RGB | rgb(107, 37, 32) |
| HSL | hsl(4, 54%, 27%) |
| OKLCH | oklch(36.9% 0.101 27.2) |
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 #6B2520 | 10.99:1 | AAA | Lc -98.7 | Preferred for body text |
| Black text on #6B2520 | 1.91:1 | Fails | Lc 9.2 | Not readable |
| #6B2520 text on white | 10.99:1 | AAA | Lc 94.7 | Preferred for body text |
| #6B2520 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
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F8E5E2
oklch(93.6% 0.021 28.3)
-
Step 200
200
#F4CFCA
oklch(88.5% 0.042 27)
-
Step 300
300
#EEAEA6
oklch(80.8% 0.076 26.9)
-
Step 400
400
#E28177
oklch(70.6% 0.121 26.8)
-
Step 500
500
#D75E53
oklch(63.1% 0.155 27.5)
-
Step 600
600
#C33F38
oklch(55.7% 0.169 27.1)
-
Step 700
700
#A7302A
oklch(49% 0.156 27.4)
-
Step 800
800
#882924
oklch(42.7% 0.13 27.1)
-
Step 900
900 (this color)
#6B2520
oklch(36.9% 0.101 27.2)
-
Step 950
950
#401814
oklch(26.9% 0.063 27.8)
#6B2520 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) | #38331F | 0.106 |
| Deuteranopia (no green cones) | #49421E | 0.099 |
| Tritanopia (no blue cones) | #761624 | 0.033 |
| Achromatopsia (no color) | #3C3C3C | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B2520
#6B2520
oklch(36.9% 0.101 27.2)
- #004950
#004950
oklch(37% 0.063 205.8)
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 #6B2520, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.035
- Reddy Brown #6E1005 ΔE 0.035
- Blood #770001 ΔE 0.047
- Wine Red #7B0323 ΔE 0.050
- Claret #680018 ΔE 0.054
- Maroon #800000 ΔE 0.054
- Purple Brown #673A3F ΔE 0.056
- Bordeaux #7B002C ΔE 0.059
Use #6B2520 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.