#64302D
Closest named color: Purple Brown (#673A3F). oklch(37.8% 0.076 24.7), rgb(100, 48, 45).
Aa
White text reads best on this color (10.48:1).
About this color
#64302D is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.076 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.033 away. White text reads best on it, at 10.48:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.076) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.00:1 |
| White text | 10.48:1 |
Values
| HEX | #64302D |
| RGB | rgb(100, 48, 45) |
| HSL | hsl(3, 38%, 28%) |
| OKLCH | oklch(37.8% 0.076 24.7) |
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 #64302D | 10.48:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #64302D | 2.00:1 | Fails | Lc 9.9 | Not readable |
| #64302D text on white | 10.48:1 | AAA | Lc 94.0 | Preferred for body text |
| #64302D text on black | 2.00:1 | Fails | Lc -8.6 | 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
#FBF4F3
oklch(97.2% 0.008 27.2)
-
Step 100
100
#F5E6E4
oklch(93.6% 0.017 26.7)
-
Step 200
200
#EDD2CF
oklch(88.5% 0.031 25.3)
-
Step 300
300
#E3B3AE
oklch(80.9% 0.057 25.3)
-
Step 400
400
#D38A84
oklch(70.6% 0.09 24.8)
-
Step 500
500
#C66B66
oklch(63% 0.116 24.2)
-
Step 600
600
#B1514D
oklch(55.5% 0.126 24.4)
-
Step 700
700
#98413E
oklch(49% 0.118 24.4)
-
Step 800
800
#7C3633
oklch(42.7% 0.098 24.6)
-
Step 900
900 (this color)
#64302D
oklch(37.8% 0.076 24.7)
-
Step 950
950
#3B1C1A
oklch(26.9% 0.049 24.7)
#64302D 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) | #3C392C | 0.080 |
| Deuteranopia (no green cones) | #49432C | 0.073 |
| Tritanopia (no blue cones) | #6D2830 | 0.026 |
| Achromatopsia (no color) | #3F3F3F | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64302D
#64302D
oklch(37.8% 0.076 24.7)
- #004B52
#004B52
oklch(37.7% 0.064 205.5)
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 #64302D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.033
- Chestnut #742802 ΔE 0.049
- Reddy Brown #6E1005 ΔE 0.062
- Brownish Purple #76424E ΔE 0.072
- Wine Red #7B0323 ΔE 0.072
- Blood #770001 ΔE 0.074
- Claret #680018 ΔE 0.075
- Bordeaux #7B002C ΔE 0.077
Use #64302D 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.