#642A6D
Closest named color: Grape Purple (#5D1451). oklch(39.5% 0.124 322.1), rgb(100, 42, 109).
Aa
White text reads best on this color (10.02:1).
About this color
#642A6D is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.124 and its hue 322°. 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 10.02:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.124) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 2.09:1 |
| White text | 10.02:1 |
Values
| HEX | #642A6D |
| RGB | rgb(100, 42, 109) |
| HSL | hsl(292, 44%, 30%) |
| OKLCH | oklch(39.5% 0.124 322.1) |
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 #642A6D | 10.02:1 | AAA | Lc -96.9 | Preferred for body text |
| Black text on #642A6D | 2.09:1 | Fails | Lc 11.2 | Not readable |
| #642A6D text on white | 10.02:1 | AAA | Lc 92.8 | Preferred for body text |
| #642A6D text on black | 2.09:1 | 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
#FAF3FB
oklch(97.2% 0.013 321.9)
-
Step 100
100
#F3E4F5
oklch(93.6% 0.028 322.2)
-
Step 200
200
#EACEEE
oklch(88.4% 0.053 322)
-
Step 300
300
#DDADE5
oklch(80.9% 0.093 321.6)
-
Step 400
400
#CB7FD7
oklch(70.7% 0.148 322)
-
Step 500
500
#BD5ACC
oklch(63.2% 0.19 322.2)
-
Step 600
600
#A83AB9
oklch(55.6% 0.207 322)
-
Step 700
700
#902A9F
oklch(49.1% 0.193 322.2)
-
Step 800
800
#752581
oklch(42.7% 0.16 322.2)
-
Step 900
900 (this color)
#642A6D
oklch(39.5% 0.124 322.1)
-
Step 950
950
#38173D
oklch(27.1% 0.079 322.2)
#642A6D 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) | #1D3E6F | 0.121 |
| Deuteranopia (no green cones) | #32446B | 0.105 |
| Tritanopia (no blue cones) | #653447 | 0.076 |
| Achromatopsia (no color) | #424242 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642A6D
#642A6D
oklch(39.5% 0.124 322.1)
- #10560A
#10560A
oklch(39.6% 0.125 142)
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 #642A6D, 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 0.064
- Velvet #750851 ΔE 0.068
- Rebecca Purple #663399 ΔE 0.074
- Purple #800080 ΔE 0.076
- Dark Slate Blue #483D8B ΔE 0.079
- Royal Purple #4B006E ΔE 0.090
- Red Purple #820747 ΔE 0.092
Use #642A6D 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.