#642A28
Closest named color: Purple Brown (#673A3F). oklch(36.6% 0.085 24.1), rgb(100, 42, 40).
Aa
White text reads best on this color (11.03:1).
About this color
#642A28 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.085 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.046 away. White text reads best on it, at 11.03:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.085) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.90:1 |
| White text | 11.03:1 |
Values
| HEX | #642A28 |
| RGB | rgb(100, 42, 40) |
| HSL | hsl(2, 43%, 27%) |
| OKLCH | oklch(36.6% 0.085 24.1) |
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 #642A28 | 11.03:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #642A28 | 1.90:1 | Fails | Lc 8.9 | Not readable |
| #642A28 text on white | 11.03:1 | AAA | Lc 95.1 | Preferred for body text |
| #642A28 text on black | 1.90:1 | Fails | Lc -7.6 | 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
#FBF3F3
oklch(97% 0.009 17.3)
-
Step 100
100
#F6E5E4
oklch(93.5% 0.019 21.6)
-
Step 200
200
#F0D1CE
oklch(88.6% 0.035 24.4)
-
Step 300
300
#E7B1AD
oklch(80.9% 0.064 23.4)
-
Step 400
400
#D98781
oklch(70.7% 0.102 24.5)
-
Step 500
500
#CC6762
oklch(63.2% 0.129 24.3)
-
Step 600
600
#B74B49
oklch(55.5% 0.141 23.9)
-
Step 700
700
#9E3C3A
oklch(49.2% 0.131 24.3)
-
Step 800
800
#803230
oklch(42.7% 0.109 24.3)
-
Step 900
900 (this color)
#642A28
oklch(36.6% 0.085 24.1)
-
Step 950
950
#3D1B19
oklch(27.1% 0.054 24.7)
#642A28 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) | #383427 | 0.089 |
| Deuteranopia (no green cones) | #464127 | 0.084 |
| Tritanopia (no blue cones) | #6E202A | 0.028 |
| Achromatopsia (no color) | #3C3C3C | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642A28
#642A28
oklch(36.6% 0.085 24.1)
- #00484E
#00484E
oklch(36.6% 0.062 204.3)
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 #642A28, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.046
- Chestnut #742802 ΔE 0.048
- Reddy Brown #6E1005 ΔE 0.049
- Claret #680018 ΔE 0.061
- Blood #770001 ΔE 0.063
- Wine Red #7B0323 ΔE 0.064
- Bordeaux #7B002C ΔE 0.069
- Burgundy #610023 ΔE 0.071
Use #642A28 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.