#64242C
Closest named color: Reddy Brown (#6E1005). oklch(35.8% 0.093 15.6), rgb(100, 36, 44).
Aa
White text reads best on this color (11.47:1).
About this color
#64242C is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.093 and its hue 16°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.048 away. White text reads best on it, at 11.47:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.093) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.83:1 |
| White text | 11.47:1 |
Values
| HEX | #64242C |
| RGB | rgb(100, 36, 44) |
| HSL | hsl(353, 47%, 27%) |
| OKLCH | oklch(35.8% 0.093 15.6) |
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 #64242C | 11.47:1 | AAA | Lc -99.6 | Preferred for body text |
| Black text on #64242C | 1.83:1 | Fails | Lc 8.1 | Not readable |
| #64242C text on white | 11.47:1 | AAA | Lc 95.8 | Preferred for body text |
| #64242C text on black | 1.83:1 | 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
#FCF3F3
oklch(97.1% 0.01 17.3)
-
Step 100
100
#F7E5E5
oklch(93.6% 0.02 17.5)
-
Step 200
200
#F2CFD1
oklch(88.5% 0.039 14)
-
Step 300
300
#EAAFB2
oklch(80.9% 0.069 15.3)
-
Step 400
400
#DD8389
oklch(70.7% 0.111 16)
-
Step 500
500
#D1616C
oklch(63.2% 0.142 16)
-
Step 600
600
#BC4454
oklch(55.6% 0.154 15.8)
-
Step 700
700
#A23545
oklch(49.2% 0.143 15.6)
-
Step 800
800
#832D39
oklch(42.7% 0.118 15.4)
-
Step 900
900 (this color)
#64242C
oklch(35.8% 0.093 15.6)
-
Step 950
950
#3E191D
oklch(27% 0.058 15.1)
#64242C 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) | #33312C | 0.101 |
| Deuteranopia (no green cones) | #433E2B | 0.092 |
| Tritanopia (no blue cones) | #6D1A27 | 0.023 |
| Achromatopsia (no color) | #393939 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64242C
#64242C
oklch(35.8% 0.093 15.6)
- #004647
#004647
oklch(35.7% 0.061 196.4)
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 #64242C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.048
- Claret #680018 ΔE 0.050
- Purple Brown #673A3F ΔE 0.055
- Burgundy #610023 ΔE 0.055
- Wine Red #7B0323 ΔE 0.056
- Bordeaux #7B002C ΔE 0.059
- Chestnut #742802 ΔE 0.059
- Blood #770001 ΔE 0.060
Use #64242C 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.