#642816
Closest named color: Chestnut (#742802). oklch(36% 0.092 37.2), rgb(100, 40, 22).
Aa
White text reads best on this color (11.30:1).
About this color
#642816 is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.092 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.036 away. White text reads best on it, at 11.30:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.092) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.85:1 |
| White text | 11.30:1 |
Values
| HEX | #642816 |
| RGB | rgb(100, 40, 22) |
| HSL | hsl(14, 64%, 24%) |
| OKLCH | oklch(36% 0.092 37.2) |
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 #642816 | 11.30:1 | AAA | Lc -99.4 | Preferred for body text |
| Black text on #642816 | 1.85:1 | Fails | Lc 8.4 | Not readable |
| #642816 text on white | 11.30:1 | AAA | Lc 95.5 | Preferred for body text |
| #642816 text on black | 1.85:1 | 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
#FBF3F1
oklch(97% 0.009 34.3)
-
Step 100
100
#F7E6E1
oklch(93.7% 0.02 37)
-
Step 200
200
#F1D1C8
oklch(88.5% 0.038 36.2)
-
Step 300
300
#E9B2A1
oklch(80.9% 0.069 37.9)
-
Step 400
400
#DC876E
oklch(70.7% 0.111 37.2)
-
Step 500
500
#D06647
oklch(63.1% 0.142 37.1)
-
Step 600
600
#BB4B28
oklch(55.6% 0.153 37.5)
-
Step 700
700
#A13B1B
oklch(49.1% 0.142 37.2)
-
Step 800
800
#833219
oklch(42.8% 0.118 37.3)
-
Step 900
900 (this color)
#642816
oklch(36% 0.092 37.2)
-
Step 950
950
#3E1B11
oklch(27% 0.058 36.8)
#642816 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) | #383214 | 0.091 |
| Deuteranopia (no green cones) | #473F14 | 0.083 |
| Tritanopia (no blue cones) | #6E1B24 | 0.040 |
| Achromatopsia (no color) | #3A3A3A | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642816
#642816
oklch(36% 0.092 37.2)
- #004553
#004553
oklch(36% 0.064 217)
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 #642816, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.036
- Reddy Brown #6E1005 ΔE 0.041
- Blood #770001 ΔE 0.057
- Claret #680018 ΔE 0.062
- Purple Brown #673A3F ΔE 0.062
- Maroon #800000 ΔE 0.067
- Wine Red #7B0323 ΔE 0.070
- Burgundy #610023 ΔE 0.076
Use #642816 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.