#643268
Closest named color: Grape Purple (#5D1451). oklch(40.4% 0.105 324.5), rgb(100, 50, 104).
Aa
White text reads best on this color (9.55:1).
About this color
#643268 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.105 and its hue 324°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.070 away. White text reads best on it, at 9.55:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.105) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 2.19:1 |
| White text | 9.55:1 |
Values
| HEX | #643268 |
| RGB | rgb(100, 50, 104) |
| HSL | hsl(296, 35%, 30%) |
| OKLCH | oklch(40.4% 0.105 324.5) |
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 #643268 | 9.55:1 | AAA | Lc -96.1 | Preferred for body text |
| Black text on #643268 | 2.19:1 | Fails | Lc 12.2 | Not readable |
| #643268 text on white | 9.55:1 | AAA | Lc 91.8 | Preferred for body text |
| #643268 text on black | 2.19:1 | Fails | Lc -10.6 | 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 800.
-
Step 50
50
#F8F4F9
oklch(97.2% 0.008 319.4)
-
Step 100
100
#F0E6F1
oklch(93.6% 0.018 323)
-
Step 200
200
#E5D2E6
oklch(88.5% 0.034 324.3)
-
Step 300
300
#D5B4D7
oklch(80.9% 0.06 324.3)
-
Step 400
400
#C08BC3
oklch(70.7% 0.099 324.8)
-
Step 500
500
#AF6DB4
oklch(63.1% 0.127 324.4)
-
Step 600
600
#9A549F
oklch(55.6% 0.136 324.7)
-
Step 700
700
#834488
oklch(49.1% 0.126 324.5)
-
Step 800
800 (this color)
#643268
oklch(40.4% 0.105 324.5)
-
Step 900
900
#57315A
oklch(37.7% 0.083 324.4)
-
Step 950
950
#331D34
oklch(27% 0.051 325.4)
#643268 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) | #2B416A | 0.101 |
| Deuteranopia (no green cones) | #3A4766 | 0.089 |
| Tritanopia (no blue cones) | #663848 | 0.061 |
| Achromatopsia (no color) | #454545 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #643268
#643268
oklch(40.4% 0.105 324.5)
- #1C5720
#1C5720
oklch(40.5% 0.106 144.4)
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 #643268, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.070
- Velvet #750851 ΔE 0.074
- Rich Purple #720058 ΔE 0.075
- Dark Slate Blue #483D8B ΔE 0.079
- Purple Brown #673A3F ΔE 0.079
- Brownish Purple #76424E ΔE 0.081
- Rebecca Purple #663399 ΔE 0.081
- Red Purple #820747 ΔE 0.090
Use #643268 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.