#64291E
Closest named color: Chestnut (#742802). oklch(36.3% 0.088 32.3), rgb(100, 41, 30).
Aa
White text reads best on this color (11.18:1).
About this color
#64291E is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.088 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.040 away. White text reads best on it, at 11.18:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.088) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.87:1 |
| White text | 11.18:1 |
Values
| HEX | #64291E |
| RGB | rgb(100, 41, 30) |
| HSL | hsl(9, 54%, 25%) |
| OKLCH | oklch(36.3% 0.088 32.3) |
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 #64291E | 11.18:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #64291E | 1.87:1 | Fails | Lc 8.6 | Not readable |
| #64291E text on white | 11.18:1 | AAA | Lc 95.3 | Preferred for body text |
| #64291E text on black | 1.87:1 | Fails | Lc -7.3 | 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
#FBF3F2
oklch(97% 0.009 26)
-
Step 100
100
#F6E6E2
oklch(93.7% 0.018 34.3)
-
Step 200
200
#F0D1CA
oklch(88.5% 0.036 32.8)
-
Step 300
300
#E8B2A6
oklch(81% 0.066 32.8)
-
Step 400
400
#DA8776
oklch(70.6% 0.106 32.3)
-
Step 500
500
#CE6753
oklch(63.1% 0.135 32.4)
-
Step 600
600
#B94B37
oklch(55.5% 0.147 32.3)
-
Step 700
700
#9F3C2A
oklch(49.1% 0.136 32.4)
-
Step 800
800
#813224
oklch(42.6% 0.113 32.1)
-
Step 900
900 (this color)
#64291E
oklch(36.3% 0.088 32.3)
-
Step 950
950
#3D1B14
oklch(26.9% 0.055 32.9)
#64291E 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) | #38331D | 0.090 |
| Deuteranopia (no green cones) | #47401D | 0.083 |
| Tritanopia (no blue cones) | #6E1D27 | 0.036 |
| Achromatopsia (no color) | #3B3B3B | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64291E
#64291E
oklch(36.3% 0.088 32.3)
- #004651
#004651
oklch(36.2% 0.063 212.4)
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 #64291E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.040
- Reddy Brown #6E1005 ΔE 0.043
- Purple Brown #673A3F ΔE 0.055
- Blood #770001 ΔE 0.059
- Claret #680018 ΔE 0.061
- Wine Red #7B0323 ΔE 0.067
- Maroon #800000 ΔE 0.068
- Burgundy #610023 ΔE 0.074
Use #64291E 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.