#641F57
Closest named color: Grape Purple (#5D1451). oklch(36.8% 0.121 336), rgb(100, 31, 87).
Aa
White text reads best on this color (11.19:1).
About this color
#641F57 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.121 and its hue 336°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.027 away. White text reads best on it, at 11.19:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.121) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.87:1 |
| White text | 11.19:1 |
Values
| HEX | #641F57 |
| RGB | rgb(100, 31, 87) |
| HSL | hsl(311, 53%, 26%) |
| OKLCH | oklch(36.8% 0.121 336) |
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 #641F57 | 11.19:1 | AAA | Lc -99.0 | Preferred for body text |
| Black text on #641F57 | 1.87:1 | Fails | Lc 8.8 | Not readable |
| #641F57 text on white | 11.19:1 | AAA | Lc 95.1 | Preferred for body text |
| #641F57 text on black | 1.87:1 | Fails | Lc -7.5 | 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
#FBF2F9
oklch(97% 0.013 333)
-
Step 100
100
#F6E4F1
oklch(93.7% 0.026 335.5)
-
Step 200
200
#F0CDE6
oklch(88.5% 0.051 336.3)
-
Step 300
300
#E7AAD7
oklch(80.9% 0.092 336.2)
-
Step 400
400
#D87BC3
oklch(70.7% 0.145 336)
-
Step 500
500
#CB54B3
oklch(63.1% 0.186 336.2)
-
Step 600
600
#B6339F
oklch(55.6% 0.202 336)
-
Step 700
700
#9C2488
oklch(49.1% 0.187 335.9)
-
Step 800
800
#7F206E
oklch(42.6% 0.156 336.2)
-
Step 900
900 (this color)
#641F57
oklch(36.8% 0.121 336)
-
Step 950
950
#3C1534
oklch(26.9% 0.076 336.1)
#641F57 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) | #203459 | 0.129 |
| Deuteranopia (no green cones) | #363F55 | 0.113 |
| Tritanopia (no blue cones) | #692338 | 0.059 |
| Achromatopsia (no color) | #3B3B3B | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #641F57
#641F57
oklch(36.8% 0.121 336)
- #004D2A
#004D2A
oklch(36.9% 0.09 155.6)
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 #641F57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.027
- Rich Purple #720058 ΔE 0.041
- Velvet #750851 ΔE 0.042
- Merlot #730039 ΔE 0.062
- Red Purple #820747 ΔE 0.070
- Plum Purple #4E0550 ΔE 0.070
- Wine #80013F ΔE 0.072
- Deep Violet #490648 ΔE 0.081
Use #641F57 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.