#662C0A
Closest named color: Chestnut (#742802). oklch(36.9% 0.094 46.3), rgb(102, 44, 10).
Aa
White text reads best on this color (10.88:1).
About this color
#662C0A is a dark, moderately saturated brown. In OKLCH its lightness is 37%, its chroma 0.094 and its hue 46°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.029 away. White text reads best on it, at 10.88:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.094) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.92:1 |
| White text | 10.88:1 |
Values
| HEX | #662C0A |
| RGB | rgb(102, 44, 10) |
| HSL | hsl(22, 82%, 22%) |
| OKLCH | oklch(36.9% 0.094 46.3) |
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 #662C0A | 10.88:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #662C0A | 1.92:1 | Fails | Lc 9.2 | Not readable |
| #662C0A text on white | 10.88:1 | AAA | Lc 94.7 | Preferred for body text |
| #662C0A 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
#FBF4F0
oklch(97.1% 0.009 52.1)
-
Step 100
100
#F6E6DF
oklch(93.6% 0.02 45.3)
-
Step 200
200
#F0D2C4
oklch(88.5% 0.039 46.6)
-
Step 300
300
#E8B39A
oklch(80.9% 0.071 46.5)
-
Step 400
400
#DA8962
oklch(70.6% 0.113 46.1)
-
Step 500
500
#CE6933
oklch(63% 0.144 46.3)
-
Step 600
600
#B94E00
oklch(55.5% 0.156 46.2)
-
Step 700
700
#9D4100
oklch(49.2% 0.138 46.2)
-
Step 800
800
#813400
oklch(42.6% 0.119 46.2)
-
Step 900
900 (this color)
#662C0A
oklch(36.9% 0.094 46.3)
-
Step 950
950
#3D1C0A
oklch(27% 0.059 47.2)
#662C0A 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) | #3D3505 | 0.086 |
| Deuteranopia (no green cones) | #4B4208 | 0.078 |
| Tritanopia (no blue cones) | #711F26 | 0.052 |
| Achromatopsia (no color) | #3D3D3D | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #662C0A
#662C0A
oklch(36.9% 0.094 46.3)
- #00465C
#00465C
oklch(36.8% 0.071 227.1)
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 #662C0A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.029
- Reddy Brown #6E1005 ΔE 0.050
- Blood #770001 ΔE 0.064
- Purple Brown #673A3F ΔE 0.065
- Mud Brown #60460F ΔE 0.070
- Maroon #800000 ΔE 0.071
- Claret #680018 ΔE 0.077
- Wine Red #7B0323 ΔE 0.080
Use #662C0A 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.