#642D64
Closest named color: Grape Purple (#5D1451). oklch(39.4% 0.11 327.4), rgb(100, 45, 100).
Aa
White text reads best on this color (9.99:1).
About this color
#642D64 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.110 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 0.058 away. White text reads best on it, at 9.99:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.110) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 2.10:1 |
| White text | 9.99:1 |
Values
| HEX | #642D64 |
| RGB | rgb(100, 45, 100) |
| HSL | hsl(300, 38%, 28%) |
| OKLCH | oklch(39.4% 0.11 327.4) |
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 #642D64 | 9.99:1 | AAA | Lc -96.9 | Preferred for body text |
| Black text on #642D64 | 2.10:1 | Fails | Lc 11.2 | Not readable |
| #642D64 text on white | 9.99:1 | AAA | Lc 92.8 | Preferred for body text |
| #642D64 text on black | 2.10:1 | Fails | Lc -9.7 | 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
#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
#CC82CB
oklch(70.8% 0.132 327.3)
-
Step 500
500
#BD5FBD
oklch(63.1% 0.168 327.3)
-
Step 600
600
#A842A9
oklch(55.6% 0.182 327.3)
-
Step 700
700
#903291
oklch(49% 0.171 327.4)
-
Step 800
800
#752B76
oklch(42.7% 0.141 327.2)
-
Step 900
900 (this color)
#642D64
oklch(39.4% 0.11 327.4)
-
Step 950
950
#381838
oklch(27% 0.071 327.3)
#642D64 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) | #283E66 | 0.108 |
| Deuteranopia (no green cones) | #394562 | 0.096 |
| Tritanopia (no blue cones) | #673344 | 0.062 |
| Achromatopsia (no color) | #424242 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642D64
#642D64
oklch(39.4% 0.11 327.4)
- #0A551F
#0A551F
oklch(39.4% 0.11 147.3)
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 #642D64, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.058
- Velvet #750851 ΔE 0.064
- Rich Purple #720058 ΔE 0.064
- Purple Brown #673A3F ΔE 0.081
- Red Purple #820747 ΔE 0.083
- Brownish Purple #76424E ΔE 0.086
- Dark Slate Blue #483D8B ΔE 0.086
- Purple #800080 ΔE 0.088
Use #642D64 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.