#643261
Closest named color: Grape Purple (#5D1451). oklch(40.1% 0.098 329.5), rgb(100, 50, 97).
Aa
White text reads best on this color (9.67:1).
About this color
#643261 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.098 and its hue 329°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.067 away. White text reads best on it, at 9.67:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.098) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 2.17:1 |
| White text | 9.67:1 |
Values
| HEX | #643261 |
| RGB | rgb(100, 50, 97) |
| HSL | hsl(304, 33%, 29%) |
| OKLCH | oklch(40.1% 0.098 329.5) |
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 #643261 | 9.67:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #643261 | 2.17:1 | Fails | Lc 11.8 | Not readable |
| #643261 text on white | 9.67:1 | AAA | Lc 92.1 | Preferred for body text |
| #643261 text on black | 2.17:1 | Fails | Lc -10.3 | 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
#F9F3F9
oklch(97% 0.01 325.7)
-
Step 100
100
#F2E5F1
oklch(93.6% 0.021 328.1)
-
Step 200
200
#E9D0E6
oklch(88.5% 0.04 329.8)
-
Step 300
300
#DCB0D8
oklch(80.9% 0.074 329.2)
-
Step 400
400
#C985C4
oklch(70.7% 0.117 329.3)
-
Step 500
500
#BA64B5
oklch(63.1% 0.151 329.3)
-
Step 600
600
#A549A1
oklch(55.6% 0.163 329.2)
-
Step 700
700
#8D3A89
oklch(49.1% 0.15 329.5)
-
Step 800
800
#733070
oklch(42.7% 0.127 329.3)
-
Step 900
900 (this color)
#643261
oklch(40.1% 0.098 329.5)
-
Step 950
950
#371A35
oklch(27% 0.063 329.7)
#643261 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) | #2F4063 | 0.096 |
| Deuteranopia (no green cones) | #3D475F | 0.087 |
| Tritanopia (no blue cones) | #673645 | 0.053 |
| Achromatopsia (no color) | #444444 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #643261
#643261
oklch(40.1% 0.098 329.5)
- #155629
#155629
oklch(40.1% 0.098 149.5)
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 #643261, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.067
- Purple Brown #673A3F ΔE 0.068
- Velvet #750851 ΔE 0.070
- Brownish Purple #76424E ΔE 0.073
- Rich Purple #720058 ΔE 0.074
- Red Purple #820747 ΔE 0.085
- Dark Slate Blue #483D8B ΔE 0.087
- Merlot #730039 ΔE 0.090
Use #643261 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.