#642C6A
Closest named color: Grape Purple (#5D1451). oklch(39.6% 0.118 323.7), rgb(100, 44, 106).
Aa
White text reads best on this color (9.95:1).
About this color
#642C6A is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.118 and its hue 324°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.061 away. White text reads best on it, at 9.95:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 2.11:1 |
| White text | 9.95:1 |
Values
| HEX | #642C6A |
| RGB | rgb(100, 44, 106) |
| HSL | hsl(294, 41%, 29%) |
| OKLCH | oklch(39.6% 0.118 323.7) |
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 #642C6A | 9.95:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #642C6A | 2.11:1 | Fails | Lc 11.3 | Not readable |
| #642C6A text on white | 9.95:1 | AAA | Lc 92.6 | Preferred for body text |
| #642C6A text on black | 2.11:1 | Fails | Lc -9.8 | 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
#F3E4F4
oklch(93.5% 0.027 323.9)
-
Step 200
200
#EACFEC
oklch(88.6% 0.049 323.8)
-
Step 300
300
#DDAEE1
oklch(80.9% 0.087 323.8)
-
Step 400
400
#CB80D2
oklch(70.7% 0.141 323.9)
-
Step 500
500
#BC5CC6
oklch(63% 0.181 323.8)
-
Step 600
600
#A73EB3
oklch(55.6% 0.196 323.5)
-
Step 700
700
#8F2F9A
oklch(49.1% 0.182 323.4)
-
Step 800
800
#75287D
oklch(42.7% 0.152 323.8)
-
Step 900
900 (this color)
#642C6A
oklch(39.6% 0.118 323.7)
-
Step 950
950
#37183B
oklch(27% 0.074 322.9)
#642C6A 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) | #223E6C | 0.115 |
| Deuteranopia (no green cones) | #354568 | 0.101 |
| Tritanopia (no blue cones) | #663446 | 0.070 |
| Achromatopsia (no color) | #434343 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642C6A
#642C6A
oklch(39.6% 0.118 323.7)
- #105615
#105615
oklch(39.7% 0.118 143.8)
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 #642C6A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.061
- Rich Purple #720058 ΔE 0.065
- Velvet #750851 ΔE 0.067
- Rebecca Purple #663399 ΔE 0.078
- Purple #800080 ΔE 0.080
- Dark Slate Blue #483D8B ΔE 0.081
- Red Purple #820747 ΔE 0.089
- Purple Brown #673A3F ΔE 0.091
Use #642C6A 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.