#642768
Closest named color: Grape Purple (#5D1451). oklch(38.8% 0.124 325.2), rgb(100, 39, 104).
Aa
White text reads best on this color (10.33:1).
About this color
#642768 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.124 and its hue 325°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.052 away. White text reads best on it, at 10.33:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.124) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 2.03:1 |
| White text | 10.33:1 |
Values
| HEX | #642768 |
| RGB | rgb(100, 39, 104) |
| HSL | hsl(296, 45%, 28%) |
| OKLCH | oklch(38.8% 0.124 325.2) |
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 #642768 | 10.33:1 | AAA | Lc -97.5 | Preferred for body text |
| Black text on #642768 | 2.03:1 | Fails | Lc 10.5 | Not readable |
| #642768 text on white | 10.33:1 | AAA | Lc 93.4 | Preferred for body text |
| #642768 text on black | 2.03:1 | Fails | Lc -9.1 | 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
#FAF3FA
oklch(97.2% 0.012 325.7)
-
Step 100
100
#F4E4F4
oklch(93.6% 0.027 325.8)
-
Step 200
200
#EBCEEC
oklch(88.5% 0.051 325)
-
Step 300
300
#E0ACE2
oklch(80.9% 0.094 325.2)
-
Step 400
400
#CF7DD3
oklch(70.7% 0.15 325.4)
-
Step 500
500
#C058C7
oklch(63% 0.19 325.1)
-
Step 600
600
#AC38B4
oklch(55.7% 0.207 325.2)
-
Step 700
700
#93289B
oklch(49.1% 0.193 324.9)
-
Step 800
800
#78247D
oklch(42.8% 0.159 325.5)
-
Step 900
900 (this color)
#642768
oklch(38.8% 0.124 325.2)
-
Step 950
950
#39163B
oklch(27% 0.079 325.4)
#642768 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) | #1D3B6A | 0.124 |
| Deuteranopia (no green cones) | #334366 | 0.108 |
| Tritanopia (no blue cones) | #663043 | 0.073 |
| Achromatopsia (no color) | #404040 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642768
#642768
oklch(38.8% 0.124 325.2)
- #005413
#005413
oklch(38.8% 0.121 145.3)
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 #642768, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.052
- Rich Purple #720058 ΔE 0.056
- Velvet #750851 ΔE 0.060
- Purple #800080 ΔE 0.077
- Rebecca Purple #663399 ΔE 0.083
- Red Purple #820747 ΔE 0.086
- Plum Purple #4E0550 ΔE 0.086
- Royal Purple #4B006E ΔE 0.087
Use #642768 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.