#642131
Closest named color: Claret (#680018). oklch(35.5% 0.097 9), rgb(100, 33, 49).
Aa
White text reads best on this color (11.64:1).
About this color
#642131 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.097 and its hue 9°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.048 away. White text reads best on it, at 11.64:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.097) |
| Temperature | warm |
| Nearest name | Claret (#680018) |
| Black text | 1.80:1 |
| White text | 11.64:1 |
Values
| HEX | #642131 |
| RGB | rgb(100, 33, 49) |
| HSL | hsl(346, 50%, 26%) |
| OKLCH | oklch(35.5% 0.097 9) |
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 #642131 | 11.64:1 | AAA | Lc -99.8 | Preferred for body text |
| Black text on #642131 | 1.80:1 | Fails | Lc 7.8 | Not readable |
| #642131 text on white | 11.64:1 | AAA | Lc 96.1 | Preferred for body text |
| #642131 text on black | 1.80:1 | 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
#FCF3F4
oklch(97.1% 0.01 9.5)
-
Step 100
100
#F7E4E7
oklch(93.5% 0.021 6.6)
-
Step 200
200
#F2CFD3
oklch(88.5% 0.04 10.1)
-
Step 300
300
#EBAEB7
oklch(81% 0.072 9)
-
Step 400
400
#DE8091
oklch(70.6% 0.117 8.9)
-
Step 500
500
#D25D76
oklch(63% 0.149 9.1)
-
Step 600
600
#BE405F
oklch(55.7% 0.162 9.3)
-
Step 700
700
#A3304F
oklch(49.1% 0.151 8.6)
-
Step 800
800
#842A40
oklch(42.7% 0.124 9.3)
-
Step 900
900 (this color)
#642131
oklch(35.5% 0.097 9)
-
Step 950
950
#3F1820
oklch(27.1% 0.061 9.3)
#642131 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) | #303031 | 0.107 |
| Deuteranopia (no green cones) | #413D2F | 0.098 |
| Tritanopia (no blue cones) | #6D1727 | 0.025 |
| Achromatopsia (no color) | #383838 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642131
#642131
oklch(35.5% 0.097 9)
- #004642
#004642
oklch(35.5% 0.062 188.3)
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 #642131, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Claret #680018 ΔE 0.048
- Burgundy #610023 ΔE 0.049
- Merlot #730039 ΔE 0.051
- Reddy Brown #6E1005 ΔE 0.053
- Wine Red #7B0323 ΔE 0.054
- Bordeaux #7B002C ΔE 0.054
- Purple Brown #673A3F ΔE 0.061
- Blood #770001 ΔE 0.064
Use #642131 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.