#642B25
Closest named color: Chestnut (#742802). oklch(36.7% 0.084 28), rgb(100, 43, 37).
Aa
White text reads best on this color (10.97:1).
About this color
#642B25 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.084 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.044 away. White text reads best on it, at 10.97:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.084) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.91:1 |
| White text | 10.97:1 |
Values
| HEX | #642B25 |
| RGB | rgb(100, 43, 37) |
| HSL | hsl(6, 46%, 27%) |
| OKLCH | oklch(36.7% 0.084 28) |
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 #642B25 | 10.97:1 | AAA | Lc -98.8 | Preferred for body text |
| Black text on #642B25 | 1.91:1 | Fails | Lc 9.0 | Not readable |
| #642B25 text on white | 10.97:1 | AAA | Lc 94.9 | Preferred for body text |
| #642B25 text on black | 1.91:1 | Fails | Lc -7.7 | 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
#F6E6E3
oklch(93.7% 0.018 30.3)
-
Step 200
200
#F0D1CC
oklch(88.5% 0.036 28.7)
-
Step 300
300
#E7B2AA
oklch(81% 0.063 28.4)
-
Step 400
400
#D8887D
oklch(70.7% 0.1 28.3)
-
Step 500
500
#CC685C
oklch(63.2% 0.129 28.3)
-
Step 600
600
#B74D43
oklch(55.7% 0.14 27.9)
-
Step 700
700
#9D3D34
oklch(49.1% 0.13 28.1)
-
Step 800
800
#80332C
oklch(42.7% 0.108 27.7)
-
Step 900
900 (this color)
#642B25
oklch(36.7% 0.084 28)
-
Step 950
950
#3D1B17
oklch(27% 0.054 28.1)
#642B25 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) | #393524 | 0.087 |
| Deuteranopia (no green cones) | #474124 | 0.081 |
| Tritanopia (no blue cones) | #6E212A | 0.031 |
| Achromatopsia (no color) | #3C3C3C | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642B25
#642B25
oklch(36.7% 0.084 28)
- #004850
#004850
oklch(36.7% 0.063 207.4)
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 #642B25, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.044
- Purple Brown #673A3F ΔE 0.047
- Reddy Brown #6E1005 ΔE 0.049
- Blood #770001 ΔE 0.063
- Claret #680018 ΔE 0.064
- Wine Red #7B0323 ΔE 0.066
- Maroon #800000 ΔE 0.071
- Bordeaux #7B002C ΔE 0.073
Use #642B25 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.