#662A28
Closest named color: Chestnut (#742802). oklch(36.9% 0.087 24.2), rgb(102, 42, 40).
Aa
White text reads best on this color (10.89:1).
About this color
#662A28 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.087 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.045 away. White text reads best on it, at 10.89:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.087) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.92:1 |
| White text | 10.89:1 |
Values
| HEX | #662A28 |
| RGB | rgb(102, 42, 40) |
| HSL | hsl(2, 44%, 28%) |
| OKLCH | oklch(36.9% 0.087 24.2) |
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 #662A28 | 10.89:1 | AAA | Lc -98.7 | Preferred for body text |
| Black text on #662A28 | 1.92:1 | Fails | Lc 9.2 | Not readable |
| #662A28 text on white | 10.89:1 | AAA | Lc 94.7 | Preferred for body text |
| #662A28 text on black | 1.92:1 | 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
#FBF3F2
oklch(97% 0.009 26)
-
Step 100
100
#F6E5E4
oklch(93.5% 0.019 21.6)
-
Step 200
200
#F0D0CD
oklch(88.4% 0.036 24.2)
-
Step 300
300
#E8B1AC
oklch(80.9% 0.065 24.5)
-
Step 400
400
#DA8680
oklch(70.7% 0.104 24.4)
-
Step 500
500
#CE6561
oklch(63.1% 0.134 23.9)
-
Step 600
600
#B94A47
oklch(55.6% 0.145 24.5)
-
Step 700
700
#9F3A39
oklch(49.1% 0.135 24)
-
Step 800
800
#81312F
oklch(42.7% 0.111 24.4)
-
Step 900
900 (this color)
#662A28
oklch(36.9% 0.087 24.2)
-
Step 950
950
#3D1A19
oklch(26.9% 0.055 23.1)
#662A28 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) | #393527 | 0.092 |
| Deuteranopia (no green cones) | #474227 | 0.087 |
| Tritanopia (no blue cones) | #70202A | 0.028 |
| Achromatopsia (no color) | #3D3D3D | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #662A28
#662A28
oklch(36.9% 0.087 24.2)
- #00494F
#00494F
oklch(37% 0.063 204.2)
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 #662A28, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.045
- Purple Brown #673A3F ΔE 0.045
- Reddy Brown #6E1005 ΔE 0.048
- Wine Red #7B0323 ΔE 0.061
- Blood #770001 ΔE 0.061
- Claret #680018 ΔE 0.062
- Bordeaux #7B002C ΔE 0.067
- Maroon #800000 ΔE 0.069
Use #662A28 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.