#64241B
Closest named color: Reddy Brown (#6E1005). oklch(35.4% 0.095 30.4), rgb(100, 36, 27).
Aa
White text reads best on this color (11.60:1).
About this color
#64241B is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.095 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.035 away. White text reads best on it, at 11.60:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.095) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.81:1 |
| White text | 11.60:1 |
Values
| HEX | #64241B |
| RGB | rgb(100, 36, 27) |
| HSL | hsl(7, 57%, 25%) |
| OKLCH | oklch(35.4% 0.095 30.4) |
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 #64241B | 11.60:1 | AAA | Lc -99.8 | Preferred for body text |
| Black text on #64241B | 1.81:1 | Fails | Lc 7.8 | Not readable |
| #64241B text on white | 11.60:1 | AAA | Lc 96.0 | Preferred for body text |
| #64241B text on black | 1.81:1 | 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
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F7E5E2
oklch(93.5% 0.02 28.9)
-
Step 200
200
#F2D0CA
oklch(88.5% 0.039 29.7)
-
Step 300
300
#EBB0A5
oklch(80.9% 0.071 30.7)
-
Step 400
400
#DE8475
oklch(70.6% 0.114 30.3)
-
Step 500
500
#D36251
oklch(63.1% 0.146 30.4)
-
Step 600
600
#BE4636
oklch(55.6% 0.158 30.3)
-
Step 700
700
#A33628
oklch(49% 0.147 30.4)
-
Step 800
800
#852E22
oklch(42.7% 0.122 30.6)
-
Step 900
900 (this color)
#64241B
oklch(35.4% 0.095 30.4)
-
Step 950
950
#3F1A14
oklch(27.1% 0.059 30.8)
#64241B 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) | #35301A | 0.098 |
| Deuteranopia (no green cones) | #453E19 | 0.091 |
| Tritanopia (no blue cones) | #6E1622 | 0.034 |
| Achromatopsia (no color) | #393939 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64241B
#64241B
oklch(35.4% 0.095 30.4)
- #00444D
#00444D
oklch(35.4% 0.061 209.6)
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 #64241B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.035
- Chestnut #742802 ΔE 0.043
- Claret #680018 ΔE 0.051
- Blood #770001 ΔE 0.052
- Wine Red #7B0323 ΔE 0.061
- Burgundy #610023 ΔE 0.064
- Maroon #800000 ΔE 0.064
- Purple Brown #673A3F ΔE 0.064
Use #64241B 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.