#641E66
Closest named color: Grape Purple (#5D1451). oklch(37.6% 0.136 326.7), rgb(100, 30, 102).
Aa
White text reads best on this color (10.94:1).
About this color
#641E66 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.136 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 0.041 away. White text reads best on it, at 10.94:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.136) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.91:1 |
| White text | 10.94:1 |
Values
| HEX | #641E66 |
| RGB | rgb(100, 30, 102) |
| HSL | hsl(298, 55%, 26%) |
| OKLCH | oklch(37.6% 0.136 326.7) |
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 #641E66 | 10.94:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #641E66 | 1.91:1 | Fails | Lc 9.4 | Not readable |
| #641E66 text on white | 10.94:1 | AAA | Lc 94.5 | Preferred for body text |
| #641E66 text on black | 1.91:1 | Fails | Lc -8.1 | 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
#FBF2FA
oklch(97% 0.014 329.1)
-
Step 100
100
#F5E3F4
oklch(93.5% 0.03 327.5)
-
Step 200
200
#EECDED
oklch(88.6% 0.056 327)
-
Step 300
300
#E4AAE3
oklch(81% 0.101 327)
-
Step 400
400
#D479D5
oklch(70.7% 0.162 326.7)
-
Step 500
500
#C750CA
oklch(63.2% 0.208 326.7)
-
Step 600
600
#B22AB6
oklch(55.5% 0.226 326.8)
-
Step 700
700
#991A9D
oklch(49.1% 0.21 326.8)
-
Step 800
800
#7C1A7F
oklch(42.6% 0.174 326.8)
-
Step 900
900 (this color)
#641E66
oklch(37.6% 0.136 326.7)
-
Step 950
950
#3B133C
oklch(26.9% 0.087 326.7)
#641E66 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) | #123768 | 0.141 |
| Deuteranopia (no green cones) | #2E4064 | 0.122 |
| Tritanopia (no blue cones) | #67293F | 0.078 |
| Achromatopsia (no color) | #3D3D3D | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #641E66
#641E66
oklch(37.6% 0.136 326.7)
- #005017
#005017
oklch(37.6% 0.113 146.6)
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 #641E66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.041
- Rich Purple #720058 ΔE 0.045
- Velvet #750851 ΔE 0.053
- Purple #800080 ΔE 0.073
- Plum Purple #4E0550 ΔE 0.073
- Royal Purple #4B006E ΔE 0.076
- Red Purple #820747 ΔE 0.084
- Merlot #730039 ΔE 0.084
Use #641E66 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.