#640F10
Closest named color: Claret (#680018). oklch(32.8% 0.118 26.2), rgb(100, 15, 16).
Aa
White text reads best on this color (12.98:1).
About this color
#640F10 is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.118 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.021 away. White text reads best on it, at 12.98:1.
| Hue family | Reds |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.118) |
| Temperature | warm |
| Nearest name | Claret (#680018) |
| Black text | 1.61:1 |
| White text | 12.98:1 |
Values
| HEX | #640F10 |
| RGB | rgb(100, 15, 16) |
| HSL | hsl(359, 74%, 23%) |
| OKLCH | oklch(32.8% 0.118 26.2) |
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 #640F10 | 12.98:1 | AAA | Lc -101.4 | Preferred for body text |
| Black text on #640F10 | 1.61:1 | Fails | Lc 0.0 | Not readable |
| #640F10 text on white | 12.98:1 | AAA | Lc 97.9 | Preferred for body text |
| #640F10 text on black | 1.61:1 | 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
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FBE4E1
oklch(93.7% 0.026 26.5)
-
Step 200
200
#F8CDC8
oklch(88.4% 0.049 25.9)
-
Step 300
300
#F5ABA3
oklch(81% 0.089 26.1)
-
Step 400
400
#EC7A71
oklch(70.7% 0.142 26)
-
Step 500
500
#E2524B
oklch(63.1% 0.181 26.4)
-
Step 600
600
#CD2D2E
oklch(55.6% 0.196 26.2)
-
Step 700
700
#B11C20
oklch(49.1% 0.183 26.3)
-
Step 800
800
#901C1D
oklch(42.7% 0.151 26.1)
-
Step 900
900 (this color)
#640F10
oklch(32.8% 0.118 26.2)
-
Step 950
950
#441412
oklch(27% 0.075 25.8)
#640F10 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) | #2A250F | 0.128 |
| Deuteranopia (no green cones) | #3F380C | 0.117 |
| Tritanopia (no blue cones) | #6F0011 | 0.025 |
| Achromatopsia (no color) | #313131 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #640F10
#640F10
oklch(32.8% 0.118 26.2)
- #003D43
#003D43
oklch(32.9% 0.056 205.7)
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 #640F10, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Claret #680018 ΔE 0.021
- Reddy Brown #6E1005 ΔE 0.025
- Burgundy #610023 ΔE 0.038
- Blood #770001 ΔE 0.042
- Wine Red #7B0323 ΔE 0.057
- Maroon #800000 ΔE 0.061
- Bordeaux #7B002C ΔE 0.064
- Chestnut #742802 ΔE 0.066
Use #640F10 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.