#642D6B
Closest named color: Grape Purple (#5D1451). oklch(39.8% 0.117 323), rgb(100, 45, 107).
Aa
White text reads best on this color (9.86:1).
About this color
#642D6B is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.117 and its hue 323°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.064 away. White text reads best on it, at 9.86:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.117) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 2.12:1 |
| White text | 9.86:1 |
Values
| HEX | #642D6B |
| RGB | rgb(100, 45, 107) |
| HSL | hsl(293, 41%, 30%) |
| OKLCH | oklch(39.8% 0.117 323) |
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 #642D6B | 9.86:1 | AAA | Lc -96.6 | Preferred for body text |
| Black text on #642D6B | 2.12:1 | Fails | Lc 11.5 | Not readable |
| #642D6B text on white | 9.86:1 | AAA | Lc 92.4 | Preferred for body text |
| #642D6B text on black | 2.12:1 | Fails | Lc -10.0 | 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
#F9F3FA
oklch(97.1% 0.011 321.3)
-
Step 100
100
#F3E5F4
oklch(93.7% 0.025 323.8)
-
Step 200
200
#E9CFEC
oklch(88.5% 0.048 322.7)
-
Step 300
300
#DDAEE2
oklch(81% 0.088 323.2)
-
Step 400
400
#CA81D3
oklch(70.7% 0.14 323)
-
Step 500
500
#BB5DC7
oklch(63.1% 0.179 323)
-
Step 600
600
#A63FB4
oklch(55.6% 0.195 322.7)
-
Step 700
700
#8E309B
oklch(49.1% 0.181 322.6)
-
Step 800
800
#74297D
oklch(42.7% 0.15 323.3)
-
Step 900
900 (this color)
#642D6B
oklch(39.8% 0.117 323)
-
Step 950
950
#37183B
oklch(27% 0.074 322.9)
#642D6B 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) | #233F6D | 0.113 |
| Deuteranopia (no green cones) | #354569 | 0.099 |
| Tritanopia (no blue cones) | #663547 | 0.070 |
| Achromatopsia (no color) | #434343 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642D6B
#642D6B
oklch(39.8% 0.117 323)
- #145614
#145614
oklch(39.8% 0.117 143)
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 #642D6B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.064
- Rich Purple #720058 ΔE 0.067
- Velvet #750851 ΔE 0.069
- Rebecca Purple #663399 ΔE 0.076
- Dark Slate Blue #483D8B ΔE 0.079
- Purple #800080 ΔE 0.081
- Red Purple #820747 ΔE 0.090
- Purple Brown #673A3F ΔE 0.091
Use #642D6B 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.