#642D63
Closest named color: Grape Purple (#5D1451). oklch(39.4% 0.109 328.1), rgb(100, 45, 99).
Aa
White text reads best on this color (10.01:1).
About this color
#642D63 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.109 and its hue 328°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.057 away. White text reads best on it, at 10.01:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.109) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 2.09:1 |
| White text | 10.01:1 |
Values
| HEX | #642D63 |
| RGB | rgb(100, 45, 99) |
| HSL | hsl(301, 38%, 28%) |
| OKLCH | oklch(39.4% 0.109 328.1) |
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 #642D63 | 10.01:1 | AAA | Lc -97.0 | Preferred for body text |
| Black text on #642D63 | 2.09:1 | Fails | Lc 11.1 | Not readable |
| #642D63 text on white | 10.01:1 | AAA | Lc 92.8 | Preferred for body text |
| #642D63 text on black | 2.09:1 | Fails | Lc -9.6 | 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
#FAF3F9
oklch(97.1% 0.011 330.1)
-
Step 100
100
#F3E5F2
oklch(93.7% 0.023 327.9)
-
Step 200
200
#EACFE9
oklch(88.5% 0.046 327.1)
-
Step 300
300
#DEAEDC
oklch(80.9% 0.083 327.7)
-
Step 400
400
#CC82CA
oklch(70.7% 0.131 327.8)
-
Step 500
500
#BE5FBC
oklch(63.2% 0.168 328.1)
-
Step 600
600
#A942A8
oklch(55.7% 0.182 328.1)
-
Step 700
700
#903390
oklch(49.1% 0.169 327.8)
-
Step 800
800
#752B75
oklch(42.6% 0.14 327.7)
-
Step 900
900 (this color)
#642D63
oklch(39.4% 0.109 328.1)
-
Step 950
950
#381837
oklch(26.9% 0.07 328.5)
#642D63 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) | #283E65 | 0.108 |
| Deuteranopia (no green cones) | #394561 | 0.096 |
| Tritanopia (no blue cones) | #673343 | 0.062 |
| Achromatopsia (no color) | #424242 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642D63
#642D63
oklch(39.4% 0.109 328.1)
- #085521
#085521
oklch(39.4% 0.109 148.2)
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 #642D63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.057
- Velvet #750851 ΔE 0.063
- Rich Purple #720058 ΔE 0.064
- Purple Brown #673A3F ΔE 0.079
- Red Purple #820747 ΔE 0.083
- Brownish Purple #76424E ΔE 0.085
- Merlot #730039 ΔE 0.086
- Dark Slate Blue #483D8B ΔE 0.088
Use #642D63 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.