#642F6A
Closest named color: Grape Purple (#5D1451). oklch(40.1% 0.113 323.4), rgb(100, 47, 106).
Aa
White text reads best on this color (9.73:1).
About this color
#642F6A is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.113 and its hue 323°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.066 away. White text reads best on it, at 9.73:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.113) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 2.15:1 |
| White text | 9.73:1 |
Values
| HEX | #642F6A |
| RGB | rgb(100, 47, 106) |
| HSL | hsl(294, 39%, 30%) |
| OKLCH | oklch(40.1% 0.113 323.4) |
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 #642F6A | 9.73:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #642F6A | 2.15:1 | Fails | Lc 11.8 | Not readable |
| #642F6A text on white | 9.73:1 | AAA | Lc 92.2 | Preferred for body text |
| #642F6A text on black | 2.15:1 | 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
#F9F3FA
oklch(97.1% 0.011 321.3)
-
Step 100
100
#F2E5F3
oklch(93.6% 0.023 323.6)
-
Step 200
200
#E9CFEB
oklch(88.4% 0.047 323.8)
-
Step 300
300
#DCAFE0
oklch(81% 0.084 323.6)
-
Step 400
400
#C982D1
oklch(70.7% 0.136 323.3)
-
Step 500
500
#BA5FC4
oklch(63.1% 0.173 323.5)
-
Step 600
600
#A542B1
oklch(55.6% 0.188 323.2)
-
Step 700
700
#8D3398
oklch(49.1% 0.174 323.2)
-
Step 800
800
#732B7B
oklch(42.7% 0.145 323.6)
-
Step 900
900 (this color)
#642F6A
oklch(40.1% 0.113 323.4)
-
Step 950
950
#37183A
oklch(27% 0.072 324)
#642F6A 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) | #26406C | 0.109 |
| Deuteranopia (no green cones) | #374668 | 0.096 |
| Tritanopia (no blue cones) | #663748 | 0.067 |
| Achromatopsia (no color) | #444444 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642F6A
#642F6A
oklch(40.1% 0.113 323.4)
- #185619
#185619
oklch(40% 0.112 143.3)
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 #642F6A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.066
- Rich Purple #720058 ΔE 0.070
- Velvet #750851 ΔE 0.071
- Rebecca Purple #663399 ΔE 0.078
- Dark Slate Blue #483D8B ΔE 0.078
- Purple #800080 ΔE 0.084
- Purple Brown #673A3F ΔE 0.086
- Brownish Purple #76424E ΔE 0.088
Use #642F6A 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.