#64284C
Closest named color: Grape Purple (#5D1451). oklch(37.5% 0.098 345.8), rgb(100, 40, 76).
Aa
White text reads best on this color (10.77:1).
About this color
#64284C is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.098 and its hue 346°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.049 away. White text reads best on it, at 10.77:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.098) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.94:1 |
| White text | 10.77:1 |
Values
| HEX | #64284C |
| RGB | rgb(100, 40, 76) |
| HSL | hsl(324, 43%, 27%) |
| OKLCH | oklch(37.5% 0.098 345.8) |
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 #64284C | 10.77:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #64284C | 1.94:1 | Fails | Lc 9.4 | Not readable |
| #64284C text on white | 10.77:1 | AAA | Lc 94.5 | Preferred for body text |
| #64284C text on black | 1.94:1 | Fails | Lc -8.1 | 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
#FBF3F7
oklch(97.1% 0.01 345.4)
-
Step 100
100
#F5E4ED
oklch(93.5% 0.022 344.2)
-
Step 200
200
#EECFDF
oklch(88.5% 0.04 345.4)
-
Step 300
300
#E4AECB
oklch(80.9% 0.073 345.4)
-
Step 400
400
#D582B0
oklch(70.8% 0.117 346.1)
-
Step 500
500
#C75F9D
oklch(63% 0.15 345.5)
-
Step 600
600
#B34387
oklch(55.7% 0.163 346.2)
-
Step 700
700
#993473
oklch(49.1% 0.151 345.7)
-
Step 800
800
#7C2C5D
oklch(42.6% 0.125 345.9)
-
Step 900
900 (this color)
#64284C
oklch(37.5% 0.098 345.8)
-
Step 950
950
#3B182D
oklch(26.9% 0.063 345.2)
#64284C 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) | #2E374D | 0.105 |
| Deuteranopia (no green cones) | #3E414B | 0.095 |
| Tritanopia (no blue cones) | #6A2736 | 0.039 |
| Achromatopsia (no color) | #3E3E3E | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64284C
#64284C
oklch(37.5% 0.098 345.8)
- #004E37
#004E37
oklch(37.6% 0.079 165.5)
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 #64284C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.049
- Velvet #750851 ΔE 0.055
- Merlot #730039 ΔE 0.059
- Purple Brown #673A3F ΔE 0.059
- Rich Purple #720058 ΔE 0.063
- Red Purple #820747 ΔE 0.068
- Wine #80013F ΔE 0.068
- Bordeaux #7B002C ΔE 0.073
Use #64284C 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.