#662E0B
Closest named color: Chestnut (#742802). oklch(37.2% 0.092 47.9), rgb(102, 46, 11).
Aa
White text reads best on this color (10.71:1).
About this color
#662E0B is a dark, moderately saturated brown. In OKLCH its lightness is 37%, its chroma 0.092 and its hue 48°. 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 10.71:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.092) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.96:1 |
| White text | 10.71:1 |
Values
| HEX | #662E0B |
| RGB | rgb(102, 46, 11) |
| HSL | hsl(23, 81%, 22%) |
| OKLCH | oklch(37.2% 0.092 47.9) |
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 #662E0B | 10.71:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #662E0B | 1.96:1 | Fails | Lc 9.6 | Not readable |
| #662E0B text on white | 10.71:1 | AAA | Lc 94.3 | Preferred for body text |
| #662E0B text on black | 1.96:1 | Fails | Lc -8.2 | 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
#E7B49A
oklch(81% 0.069 48.3)
-
Step 400
400
#D98B62
oklch(70.8% 0.111 48.1)
-
Step 500
500
#CC6B33
oklch(63.1% 0.141 48)
-
Step 600
600
#B75000
oklch(55.5% 0.152 47.7)
-
Step 700
700
#9B4300
oklch(49.2% 0.134 47.9)
-
Step 800
800
#803600
oklch(42.8% 0.117 47.8)
-
Step 900
900 (this color)
#662E0B
oklch(37.2% 0.092 47.9)
-
Step 950
950
#3D1C0A
oklch(27% 0.059 47.2)
#662E0B 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) | #3E3606 | 0.083 |
| Deuteranopia (no green cones) | #4C4309 | 0.075 |
| Tritanopia (no blue cones) | #712127 | 0.053 |
| Achromatopsia (no color) | #3E3E3E | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #662E0B
#662E0B
oklch(37.2% 0.092 47.9)
- #00475E
#00475E
oklch(37.2% 0.072 227.9)
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 #662E0B, 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 0.054
- Purple Brown #673A3F ΔE 0.063
- Mud Brown #60460F ΔE 0.065
- Blood #770001 ΔE 0.068
- Maroon #800000 ΔE 0.074
- Rust Brown #8B3103 ΔE 0.079
- Red Brown #8B2E16 ΔE 0.079
Use #662E0B 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.