#66260B
Closest named color: Chestnut (#742802). oklch(35.9% 0.099 40.8), rgb(102, 38, 11).
Aa
White text reads best on this color (11.36:1).
About this color
#66260B is a dark, moderately saturated brown. In OKLCH its lightness is 36%, its chroma 0.099 and its hue 41°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.032 away. White text reads best on it, at 11.36:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.099) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.84:1 |
| White text | 11.36:1 |
Values
| HEX | #66260B |
| RGB | rgb(102, 38, 11) |
| HSL | hsl(18, 81%, 22%) |
| OKLCH | oklch(35.9% 0.099 40.8) |
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 #66260B | 11.36:1 | AAA | Lc -99.4 | Preferred for body text |
| Black text on #66260B | 1.84:1 | Fails | Lc 8.3 | Not readable |
| #66260B text on white | 11.36:1 | AAA | Lc 95.5 | Preferred for body text |
| #66260B text on black | 1.84:1 | Fails | Lc 0.0 | 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
#FCF3F0
oklch(97% 0.011 39.4)
-
Step 100
100
#F7E5DF
oklch(93.5% 0.021 39.4)
-
Step 200
200
#F2D1C5
oklch(88.5% 0.041 41)
-
Step 300
300
#EBB19C
oklch(80.9% 0.074 40.8)
-
Step 400
400
#DF8665
oklch(70.7% 0.119 41)
-
Step 500
500
#D46439
oklch(63.2% 0.153 40.7)
-
Step 600
600
#BF470D
oklch(55.6% 0.166 40.8)
-
Step 700
700
#A43800
oklch(49.1% 0.153 40.5)
-
Step 800
800
#862F06
oklch(42.8% 0.128 40.6)
-
Step 900
900 (this color)
#66260B
oklch(35.9% 0.099 40.8)
-
Step 950
950
#3F1A0C
oklch(26.9% 0.063 40.6)
#66260B 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) | #383107 | 0.097 |
| Deuteranopia (no green cones) | #483F08 | 0.087 |
| Tritanopia (no blue cones) | #711621 | 0.047 |
| Achromatopsia (no color) | #3A3A3A | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66260B
#66260B
oklch(35.9% 0.099 40.8)
- #004455
#004455
oklch(35.8% 0.066 221.4)
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 #66260B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.032
- Reddy Brown #6E1005 ΔE 0.037
- Blood #770001 ΔE 0.053
- Claret #680018 ΔE 0.062
- Maroon #800000 ΔE 0.063
- Purple Brown #673A3F ΔE 0.070
- Wine Red #7B0323 ΔE 0.070
- Burgundy #610023 ΔE 0.079
Use #66260B 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.