#642C64
Closest named color: Grape Purple (#5D1451). oklch(39.3% 0.112 327.4), rgb(100, 44, 100).
Aa
White text reads best on this color (10.06:1).
About this color
#642C64 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.112 and its hue 327°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.056 away. White text reads best on it, at 10.06:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.112) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 2.08:1 |
| White text | 10.06:1 |
Values
| HEX | #642C64 |
| RGB | rgb(100, 44, 100) |
| HSL | hsl(300, 39%, 28%) |
| OKLCH | oklch(39.3% 0.112 327.4) |
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 #642C64 | 10.06:1 | AAA | Lc -97.1 | Preferred for body text |
| Black text on #642C64 | 2.08:1 | Fails | Lc 11.0 | Not readable |
| #642C64 text on white | 10.06:1 | AAA | Lc 92.9 | Preferred for body text |
| #642C64 text on black | 2.08:1 | Fails | Lc -9.5 | 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
#F3E4F2
oklch(93.5% 0.025 327.8)
-
Step 200
200
#EBCFE9
oklch(88.6% 0.046 328.2)
-
Step 300
300
#DEAEDD
oklch(80.9% 0.084 327)
-
Step 400
400
#CD81CB
oklch(70.7% 0.134 327.8)
-
Step 500
500
#BE5EBE
oklch(63.1% 0.171 327.4)
-
Step 600
600
#A940AA
oklch(55.5% 0.187 327.4)
-
Step 700
700
#913192
oklch(49.1% 0.174 327.4)
-
Step 800
800
#762A76
oklch(42.7% 0.143 327.7)
-
Step 900
900 (this color)
#642C64
oklch(39.3% 0.112 327.4)
-
Step 950
950
#381838
oklch(27% 0.071 327.3)
#642C64 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) | #263D66 | 0.111 |
| Deuteranopia (no green cones) | #384562 | 0.099 |
| Tritanopia (no blue cones) | #673243 | 0.063 |
| Achromatopsia (no color) | #424242 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642C64
#642C64
oklch(39.3% 0.112 327.4)
- #06551E
#06551E
oklch(39.3% 0.112 147.4)
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 #642C64, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.056
- Velvet #750851 ΔE 0.062
- Rich Purple #720058 ΔE 0.062
- Purple Brown #673A3F ΔE 0.082
- Red Purple #820747 ΔE 0.083
- Purple #800080 ΔE 0.086
- Merlot #730039 ΔE 0.087
- Dark Slate Blue #483D8B ΔE 0.087
Use #642C64 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.