#642663
Closest named color: Grape Purple (#5D1451). oklch(38.4% 0.121 328.2), rgb(100, 38, 99).
Aa
White text reads best on this color (10.50:1).
About this color
#642663 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.121 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 0.046 away. White text reads best on it, at 10.50:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.121) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.99:1 |
| White text | 10.50:1 |
Values
| HEX | #642663 |
| RGB | rgb(100, 38, 99) |
| HSL | hsl(301, 45%, 27%) |
| OKLCH | oklch(38.4% 0.121 328.2) |
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 #642663 | 10.50:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #642663 | 1.99:1 | Fails | Lc 10.1 | Not readable |
| #642663 text on white | 10.50:1 | AAA | Lc 93.8 | Preferred for body text |
| #642663 text on black | 1.99:1 | Fails | Lc -8.7 | 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
#FAF3FA
oklch(97.2% 0.012 325.7)
-
Step 100
100
#F4E4F3
oklch(93.6% 0.026 327.7)
-
Step 200
200
#ECCEEA
oklch(88.5% 0.05 328.1)
-
Step 300
300
#E1ACDE
oklch(80.9% 0.09 328.2)
-
Step 400
400
#D17DCE
oklch(70.7% 0.146 328.3)
-
Step 500
500
#C358C1
oklch(63.1% 0.186 328.2)
-
Step 600
600
#AE38AD
oklch(55.6% 0.202 328.2)
-
Step 700
700
#952994
oklch(49.1% 0.187 328.4)
-
Step 800
800
#792478
oklch(42.6% 0.155 328.4)
-
Step 900
900 (this color)
#642663
oklch(38.4% 0.121 328.2)
-
Step 950
950
#3A1639
oklch(27% 0.077 328.5)
#642663 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) | #203A65 | 0.123 |
| Deuteranopia (no green cones) | #354261 | 0.107 |
| Tritanopia (no blue cones) | #672D40 | 0.068 |
| Achromatopsia (no color) | #3F3F3F | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642663
#642663
oklch(38.4% 0.121 328.2)
- #00521D
#00521D
oklch(38.3% 0.11 148.2)
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 #642663, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.046
- Rich Purple #720058 ΔE 0.052
- Velvet #750851 ΔE 0.055
- Red Purple #820747 ΔE 0.080
- Purple #800080 ΔE 0.081
- Merlot #730039 ΔE 0.082
- Plum Purple #4E0550 ΔE 0.082
- Wine #80013F ΔE 0.086
Use #642663 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.