#64240C
Closest named color: Reddy Brown (#6E1005). oklch(35.2% 0.099 39.3), rgb(100, 36, 12).
Aa
White text reads best on this color (11.66:1).
About this color
#64240C is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.099 and its hue 39°. 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 11.66:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.099) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.79:1 |
| White text | 11.66:1 |
Values
| HEX | #64240C |
| RGB | rgb(100, 36, 12) |
| HSL | hsl(16, 79%, 22%) |
| OKLCH | oklch(35.2% 0.099 39.3) |
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 #64240C | 11.66:1 | AAA | Lc -99.9 | Preferred for body text |
| Black text on #64240C | 1.79:1 | Fails | Lc 7.8 | Not readable |
| #64240C text on white | 11.66:1 | AAA | Lc 96.1 | Preferred for body text |
| #64240C text on black | 1.79:1 | 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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F7E5DF
oklch(93.5% 0.021 39.4)
-
Step 200
200
#F2D1C5
oklch(88.5% 0.041 41)
-
Step 300
300
#EBB19D
oklch(80.9% 0.074 39.9)
-
Step 400
400
#DF8667
oklch(70.8% 0.118 39.9)
-
Step 500
500
#D4643D
oklch(63.2% 0.151 39.3)
-
Step 600
600
#BF4716
oklch(55.6% 0.164 39.5)
-
Step 700
700
#A43705
oklch(49% 0.153 39.4)
-
Step 800
800
#862F0C
oklch(42.8% 0.127 39.3)
-
Step 900
900 (this color)
#64240C
oklch(35.2% 0.099 39.3)
-
Step 950
950
#3F1A0D
oklch(27% 0.062 39.6)
#64240C 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) | #362F08 | 0.098 |
| Deuteranopia (no green cones) | #463E09 | 0.089 |
| Tritanopia (no blue cones) | #6F141F | 0.045 |
| Achromatopsia (no color) | #383838 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64240C
#64240C
oklch(35.2% 0.099 39.3)
- #004352
#004352
oklch(35.4% 0.064 218.9)
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 #64240C, 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 0.038
- Blood #770001 ΔE 0.053
- Claret #680018 ΔE 0.058
- Maroon #800000 ΔE 0.065
- Wine Red #7B0323 ΔE 0.070
- Purple Brown #673A3F ΔE 0.073
- Burgundy #610023 ΔE 0.073
Use #64240C 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.