#64282B
Closest named color: Purple Brown (#673A3F). oklch(36.4% 0.087 19.4), rgb(100, 40, 43).
Aa
White text reads best on this color (11.16:1).
About this color
#64282B is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.087 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.048 away. White text reads best on it, at 11.16:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.087) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.88:1 |
| White text | 11.16:1 |
Values
| HEX | #64282B |
| RGB | rgb(100, 40, 43) |
| HSL | hsl(357, 43%, 27%) |
| OKLCH | oklch(36.4% 0.087 19.4) |
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 #64282B | 11.16:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #64282B | 1.88:1 | Fails | Lc 8.6 | Not readable |
| #64282B text on white | 11.16:1 | AAA | Lc 95.3 | Preferred for body text |
| #64282B text on black | 1.88:1 | Fails | Lc -7.3 | 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
#FBF3F3
oklch(97% 0.009 17.3)
-
Step 100
100
#F6E5E5
oklch(93.5% 0.019 17.5)
-
Step 200
200
#F0D0CF
oklch(88.4% 0.036 20)
-
Step 300
300
#E8B0B0
oklch(80.9% 0.066 18.6)
-
Step 400
400
#DA8586
oklch(70.6% 0.105 19.3)
-
Step 500
500
#CD6468
oklch(63% 0.133 19.3)
-
Step 600
600
#B94950
oklch(55.7% 0.145 19.4)
-
Step 700
700
#9F3941
oklch(49.1% 0.135 19.1)
-
Step 800
800
#813035
oklch(42.7% 0.112 19.5)
-
Step 900
900 (this color)
#64282B
oklch(36.4% 0.087 19.4)
-
Step 950
950
#3D1A1B
oklch(26.9% 0.055 19.7)
#64282B 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) | #36332B | 0.093 |
| Deuteranopia (no green cones) | #45402A | 0.087 |
| Tritanopia (no blue cones) | #6D1E29 | 0.025 |
| Achromatopsia (no color) | #3B3B3B | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64282B
#64282B
oklch(36.4% 0.087 19.4)
- #00484B
#00484B
oklch(36.5% 0.062 199.6)
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 #64282B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.048
- Reddy Brown #6E1005 ΔE 0.049
- Chestnut #742802 ΔE 0.053
- Claret #680018 ΔE 0.057
- Wine Red #7B0323 ΔE 0.060
- Blood #770001 ΔE 0.063
- Bordeaux #7B002C ΔE 0.064
- Burgundy #610023 ΔE 0.065
Use #64282B 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.