#642366
Closest named color: Grape Purple (#5D1451). oklch(38.2% 0.128 326.5), rgb(100, 35, 102).
Aa
White text reads best on this color (10.63:1).
About this color
#642366 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.128 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 0.045 away. White text reads best on it, at 10.63:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.128) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.97:1 |
| White text | 10.63:1 |
Values
| HEX | #642366 |
| RGB | rgb(100, 35, 102) |
| HSL | hsl(298, 49%, 27%) |
| OKLCH | oklch(38.2% 0.128 326.5) |
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 #642366 | 10.63:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #642366 | 1.97:1 | Fails | Lc 9.9 | Not readable |
| #642366 text on white | 10.63:1 | AAA | Lc 94.0 | Preferred for body text |
| #642366 text on black | 1.97:1 | Fails | Lc -8.5 | 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
#F4E4F4
oklch(93.6% 0.027 325.8)
-
Step 200
200
#EDCDEC
oklch(88.4% 0.054 327)
-
Step 300
300
#E2ABE2
oklch(80.9% 0.097 326.4)
-
Step 400
400
#D27BD3
oklch(70.7% 0.155 326.7)
-
Step 500
500
#C455C7
oklch(63.2% 0.197 326.6)
-
Step 600
600
#AF33B3
oklch(55.6% 0.213 326.6)
-
Step 700
700
#96239A
oklch(49.1% 0.199 326.6)
-
Step 800
800
#7A207D
oklch(42.7% 0.165 326.6)
-
Step 900
900 (this color)
#642366
oklch(38.2% 0.128 326.5)
-
Step 950
950
#3A153B
oklch(27% 0.082 326.5)
#642366 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) | #193968 | 0.132 |
| Deuteranopia (no green cones) | #314164 | 0.113 |
| Tritanopia (no blue cones) | #672C41 | 0.073 |
| Achromatopsia (no color) | #3E3E3E | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642366
#642366
oklch(38.2% 0.128 326.5)
- #005218
#005218
oklch(38.2% 0.115 146.6)
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 #642366, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.045
- Rich Purple #720058 ΔE 0.050
- Velvet #750851 ΔE 0.055
- Purple #800080 ΔE 0.076
- Plum Purple #4E0550 ΔE 0.079
- Royal Purple #4B006E ΔE 0.082
- Red Purple #820747 ΔE 0.083
- Merlot #730039 ΔE 0.085
Use #642366 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.