#642759
Closest named color: Grape Purple (#5D1451). oklch(38% 0.11 335.1), rgb(100, 39, 89).
Aa
White text reads best on this color (10.62:1).
About this color
#642759 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.110 and its hue 335°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.042 away. White text reads best on it, at 10.62:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.110) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.97:1 |
| White text | 10.62:1 |
Values
| HEX | #642759 |
| RGB | rgb(100, 39, 89) |
| HSL | hsl(311, 44%, 27%) |
| OKLCH | oklch(38% 0.11 335.1) |
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 #642759 | 10.62:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #642759 | 1.97:1 | Fails | Lc 9.8 | Not readable |
| #642759 text on white | 10.62:1 | AAA | Lc 94.1 | Preferred for body text |
| #642759 text on black | 1.97:1 | Fails | Lc -8.4 | 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
#FAF3F8
oklch(97.1% 0.01 335.5)
-
Step 100
100
#F5E4F0
oklch(93.6% 0.024 336.1)
-
Step 200
200
#EDCEE5
oklch(88.4% 0.046 335.1)
-
Step 300
300
#E3ADD6
oklch(81% 0.083 335.1)
-
Step 400
400
#D37FC1
oklch(70.7% 0.133 335.2)
-
Step 500
500
#C55CB1
oklch(63.2% 0.168 335.2)
-
Step 600
600
#B03E9D
oklch(55.7% 0.183 335)
-
Step 700
700
#972F86
oklch(49.2% 0.17 335.1)
-
Step 800
800
#7B286D
oklch(42.7% 0.142 335.1)
-
Step 900
900 (this color)
#642759
oklch(38% 0.11 335.1)
-
Step 950
950
#3A1734
oklch(26.9% 0.07 334.3)
#642759 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) | #27395B | 0.115 |
| Deuteranopia (no green cones) | #394257 | 0.102 |
| Tritanopia (no blue cones) | #692A3C | 0.054 |
| Achromatopsia (no color) | #3E3E3E | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642759
#642759
oklch(38% 0.11 335.1)
- #00502B
#00502B
oklch(37.9% 0.093 155.1)
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 #642759, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.042
- Velvet #750851 ΔE 0.050
- Rich Purple #720058 ΔE 0.053
- Merlot #730039 ΔE 0.069
- Red Purple #820747 ΔE 0.072
- Wine #80013F ΔE 0.076
- Purple Brown #673A3F ΔE 0.076
- Plum Purple #4E0550 ΔE 0.082
Use #642759 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.