#662F1D
Closest named color: Chestnut (#742802). oklch(37.6% 0.085 38.6), rgb(102, 47, 29).
Aa
White text reads best on this color (10.55:1).
About this color
#662F1D is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.085 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.033 away. White text reads best on it, at 10.55:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.085) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.98:1 |
| White text | 10.55:1 |
Values
| HEX | #662F1D |
| RGB | rgb(102, 47, 29) |
| HSL | hsl(15, 56%, 26%) |
| OKLCH | oklch(37.6% 0.085 38.6) |
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 #662F1D | 10.55:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #662F1D | 1.98:1 | Fails | Lc 9.9 | Not readable |
| #662F1D text on white | 10.55:1 | AAA | Lc 94.1 | Preferred for body text |
| #662F1D text on black | 1.98:1 | Fails | Lc -8.5 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F6E6E1
oklch(93.6% 0.019 38.1)
-
Step 200
200
#EFD2C8
oklch(88.5% 0.035 40)
-
Step 300
300
#E6B3A3
oklch(80.9% 0.064 38.1)
-
Step 400
400
#D78A71
oklch(70.7% 0.101 38.7)
-
Step 500
500
#CA6B4C
oklch(63.1% 0.129 38.7)
-
Step 600
600
#B6502E
oklch(55.6% 0.141 38.6)
-
Step 700
700
#9C4021
oklch(49.1% 0.131 38.5)
-
Step 800
800
#7F351D
oklch(42.7% 0.109 38.2)
-
Step 900
900 (this color)
#662F1D
oklch(37.6% 0.085 38.6)
-
Step 950
950
#3C1C12
oklch(26.9% 0.053 38.1)
#662F1D 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) | #3E371B | 0.081 |
| Deuteranopia (no green cones) | #4B431C | 0.074 |
| Tritanopia (no blue cones) | #70242B | 0.040 |
| Achromatopsia (no color) | #3F3F3F | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #662F1D
#662F1D
oklch(37.6% 0.085 38.6)
- #004959
#004959
oklch(37.5% 0.068 218.8)
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 #662F1D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.033
- Purple Brown #673A3F ΔE 0.048
- Reddy Brown #6E1005 ΔE 0.054
- Blood #770001 ΔE 0.067
- Mud Brown #60460F ΔE 0.070
- Maroon #800000 ΔE 0.073
- Wine Red #7B0323 ΔE 0.075
- Claret #680018 ΔE 0.076
Use #662F1D 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.