#642D6F
Closest named color: Grape Purple (#5D1451). oklch(40.1% 0.121 320.7), rgb(100, 45, 111).
Aa
White text reads best on this color (9.78:1).
About this color
#642D6F is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.121 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.068 away. White text reads best on it, at 9.78:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.121) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 2.14:1 |
| White text | 9.78:1 |
Values
| HEX | #642D6F |
| RGB | rgb(100, 45, 111) |
| HSL | hsl(290, 42%, 31%) |
| OKLCH | oklch(40.1% 0.121 320.7) |
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 #642D6F | 9.78:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #642D6F | 2.14:1 | Fails | Lc 11.7 | Not readable |
| #642D6F text on white | 9.78:1 | AAA | Lc 92.2 | Preferred for body text |
| #642D6F text on black | 2.14:1 | Fails | Lc -10.2 | 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
#F9F3FB
oklch(97.1% 0.012 317.7)
-
Step 100
100
#F2E4F5
oklch(93.5% 0.027 320.2)
-
Step 200
200
#E9CFEE
oklch(88.5% 0.05 320.8)
-
Step 300
300
#DCAEE5
oklch(81% 0.091 320.8)
-
Step 400
400
#C980D8
oklch(70.7% 0.146 320.6)
-
Step 500
500
#BA5CCD
oklch(63.1% 0.186 320.7)
-
Step 600
600
#A53DBA
oklch(55.6% 0.203 320.5)
-
Step 700
700
#8D2EA0
oklch(49.1% 0.188 320.4)
-
Step 800
800
#732882
oklch(42.8% 0.156 320.5)
-
Step 900
900 (this color)
#642D6F
oklch(40.1% 0.121 320.7)
-
Step 950
950
#37173D
oklch(27% 0.078 321.1)
#642D6F 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) | #204071 | 0.116 |
| Deuteranopia (no green cones) | #33466D | 0.102 |
| Tritanopia (no blue cones) | #653749 | 0.076 |
| Achromatopsia (no color) | #444444 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642D6F
#642D6F
oklch(40.1% 0.121 320.7)
- #19570C
#19570C
oklch(40.2% 0.122 140.8)
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 #642D6F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.068
- Rebecca Purple #663399 ΔE 0.070
- Rich Purple #720058 ΔE 0.070
- Velvet #750851 ΔE 0.073
- Dark Slate Blue #483D8B ΔE 0.075
- Purple #800080 ΔE 0.078
- Blueberry #464196 ΔE 0.091
- Red Purple #820747 ΔE 0.095
Use #642D6F 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.