#662910
Closest named color: Chestnut (#742802). oklch(36.4% 0.095 41), rgb(102, 41, 16).
Aa
White text reads best on this color (11.11:1).
About this color
#662910 is a dark, moderately saturated brown. In OKLCH its lightness is 36%, its chroma 0.095 and its hue 41°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.030 away. White text reads best on it, at 11.11:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.095) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.88:1 |
| White text | 11.11:1 |
Values
| HEX | #662910 |
| RGB | rgb(102, 41, 16) |
| HSL | hsl(17, 73%, 23%) |
| OKLCH | oklch(36.4% 0.095 41) |
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 #662910 | 11.11:1 | AAA | Lc -99.0 | Preferred for body text |
| Black text on #662910 | 1.88:1 | Fails | Lc 8.8 | Not readable |
| #662910 text on white | 11.11:1 | AAA | Lc 95.1 | Preferred for body text |
| #662910 text on black | 1.88:1 | Fails | Lc -7.5 | 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
#F7E6DF
oklch(93.7% 0.021 43.9)
-
Step 200
200
#F1D1C5
oklch(88.4% 0.04 41.7)
-
Step 300
300
#EAB29D
oklch(81% 0.072 41.5)
-
Step 400
400
#DD8768
oklch(70.7% 0.115 40.5)
-
Step 500
500
#D1663D
oklch(63.1% 0.146 40.8)
-
Step 600
600
#BC4A17
oklch(55.5% 0.159 41)
-
Step 700
700
#A23A06
oklch(49.1% 0.148 40.8)
-
Step 800
800
#83310C
oklch(42.6% 0.122 41)
-
Step 900
900 (this color)
#662910
oklch(36.4% 0.095 41)
-
Step 950
950
#3E1B0D
oklch(27% 0.06 41.7)
#662910 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) | #3A330D | 0.092 |
| Deuteranopia (no green cones) | #49410E | 0.084 |
| Tritanopia (no blue cones) | #711B24 | 0.046 |
| Achromatopsia (no color) | #3C3C3C | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #662910
#662910
oklch(36.4% 0.095 41)
- #004657
#004657
oklch(36.5% 0.067 220.9)
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 #662910, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.030
- Reddy Brown #6E1005 ΔE 0.042
- Blood #770001 ΔE 0.057
- Purple Brown #673A3F ΔE 0.064
- Maroon #800000 ΔE 0.066
- Claret #680018 ΔE 0.067
- Wine Red #7B0323 ΔE 0.072
- Mud Brown #60460F ΔE 0.078
Use #662910 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.