#641D68
Closest named color: Grape Purple (#5D1451). oklch(37.6% 0.139 325.6), rgb(100, 29, 104).
Aa
White text reads best on this color (10.95:1).
About this color
#641D68 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.139 and its hue 326°. 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 10.95:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.91:1 |
| White text | 10.95:1 |
Values
| HEX | #641D68 |
| RGB | rgb(100, 29, 104) |
| HSL | hsl(297, 56%, 26%) |
| OKLCH | oklch(37.6% 0.139 325.6) |
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 #641D68 | 10.95:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #641D68 | 1.91:1 | Fails | Lc 9.4 | Not readable |
| #641D68 text on white | 10.95:1 | AAA | Lc 94.5 | Preferred for body text |
| #641D68 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
#FBF2FB
oklch(97.1% 0.015 325.7)
-
Step 100
100
#F5E3F5
oklch(93.5% 0.031 325.8)
-
Step 200
200
#EECDEE
oklch(88.6% 0.057 326)
-
Step 300
300
#E4A9E5
oklch(80.9% 0.105 325.9)
-
Step 400
400
#D478D8
oklch(70.7% 0.166 325.6)
-
Step 500
500
#C74ECD
oklch(63.1% 0.213 325.8)
-
Step 600
600
#B227BA
oklch(55.6% 0.232 325.6)
-
Step 700
700
#9916A0
oklch(49.1% 0.215 325.8)
-
Step 800
800
#7C1882
oklch(42.7% 0.178 325.5)
-
Step 900
900 (this color)
#641D68
oklch(37.6% 0.139 325.6)
-
Step 950
950
#3B133D
oklch(27% 0.088 325.8)
#641D68 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) | #0D376A | 0.145 |
| Deuteranopia (no green cones) | #2D4066 | 0.123 |
| Tritanopia (no blue cones) | #672940 | 0.080 |
| Achromatopsia (no color) | #3C3C3C | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #641D68
#641D68
oklch(37.6% 0.139 325.6)
- #005013
#005013
oklch(37.5% 0.116 145.6)
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 #641D68, 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 0.046
- Velvet #750851 ΔE 0.056
- Purple #800080 ΔE 0.071
- Plum Purple #4E0550 ΔE 0.074
- Royal Purple #4B006E ΔE 0.074
- Indigo #4B0082 ΔE 0.085
- Red Purple #820747 ΔE 0.086
Use #641D68 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.