#642166
Closest named color: Grape Purple (#5D1451). oklch(37.9% 0.131 326.6), rgb(100, 33, 102).
Aa
White text reads best on this color (10.76:1).
About this color
#642166 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.131 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 0.043 away. White text reads best on it, at 10.76:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.131) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.95:1 |
| White text | 10.76:1 |
Values
| HEX | #642166 |
| RGB | rgb(100, 33, 102) |
| HSL | hsl(298, 51%, 26%) |
| OKLCH | oklch(37.9% 0.131 326.6) |
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 #642166 | 10.76:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #642166 | 1.95:1 | Fails | Lc 9.7 | Not readable |
| #642166 text on white | 10.76:1 | AAA | Lc 94.2 | Preferred for body text |
| #642166 text on black | 1.95:1 | Fails | Lc -8.3 | 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
#F5E4F4
oklch(93.7% 0.028 327.6)
-
Step 200
200
#EDCDED
oklch(88.5% 0.055 326)
-
Step 300
300
#E3AAE2
oklch(80.8% 0.099 327)
-
Step 400
400
#D37AD4
oklch(70.7% 0.159 326.7)
-
Step 500
500
#C553C8
oklch(63.1% 0.201 326.6)
-
Step 600
600
#B02FB5
oklch(55.6% 0.22 326.4)
-
Step 700
700
#971F9B
oklch(49% 0.204 326.7)
-
Step 800
800
#7B1E7E
oklch(42.7% 0.169 326.7)
-
Step 900
900 (this color)
#642166
oklch(37.9% 0.131 326.6)
-
Step 950
950
#3A143B
oklch(26.9% 0.083 326.6)
#642166 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) | #163868 | 0.136 |
| Deuteranopia (no green cones) | #304164 | 0.117 |
| Tritanopia (no blue cones) | #672B40 | 0.076 |
| Achromatopsia (no color) | #3E3E3E | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642166
#642166
oklch(37.9% 0.131 326.6)
- #005118
#005118
oklch(37.9% 0.113 146.7)
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 #642166, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.043
- Rich Purple #720058 ΔE 0.048
- Velvet #750851 ΔE 0.054
- Purple #800080 ΔE 0.075
- Plum Purple #4E0550 ΔE 0.077
- Royal Purple #4B006E ΔE 0.080
- Red Purple #820747 ΔE 0.083
- Merlot #730039 ΔE 0.084
Use #642166 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.