#642859
Closest named color: Grape Purple (#5D1451). oklch(38.1% 0.108 335.1), rgb(100, 40, 89).
Aa
White text reads best on this color (10.55:1).
About this color
#642859 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.108 and its hue 335°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.044 away. White text reads best on it, at 10.55:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.108) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.98:1 |
| White text | 10.55:1 |
Values
| HEX | #642859 |
| RGB | rgb(100, 40, 89) |
| HSL | hsl(311, 43%, 27%) |
| OKLCH | oklch(38.1% 0.108 335.1) |
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 #642859 | 10.55:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #642859 | 1.98:1 | Fails | Lc 9.9 | Not readable |
| #642859 text on white | 10.55:1 | AAA | Lc 94.0 | Preferred for body text |
| #642859 text on black | 1.98:1 | Fails | Lc -8.6 | 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 900.
-
Step 50
50
#FAF3F8
oklch(97.1% 0.01 335.5)
-
Step 100
100
#F4E4F0
oklch(93.5% 0.023 334.3)
-
Step 200
200
#EDCEE5
oklch(88.4% 0.046 335.1)
-
Step 300
300
#E2ADD5
oklch(80.8% 0.081 335.3)
-
Step 400
400
#D280C0
oklch(70.7% 0.13 335.4)
-
Step 500
500
#C45DB0
oklch(63.1% 0.165 335.3)
-
Step 600
600
#AF3F9C
oklch(55.6% 0.18 335.1)
-
Step 700
700
#963085
oklch(49.1% 0.167 335.2)
-
Step 800
800
#7A296C
oklch(42.6% 0.139 335.2)
-
Step 900
900 (this color)
#642859
oklch(38.1% 0.108 335.1)
-
Step 950
950
#3A1833
oklch(27% 0.067 335.7)
#642859 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) | #28395B | 0.113 |
| Deuteranopia (no green cones) | #3A4257 | 0.100 |
| Tritanopia (no blue cones) | #692B3C | 0.054 |
| Achromatopsia (no color) | #3F3F3F | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642859
#642859
oklch(38.1% 0.108 335.1)
- #00512B
#00512B
oklch(38.2% 0.095 154.8)
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 #642859, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.044
- Velvet #750851 ΔE 0.052
- Rich Purple #720058 ΔE 0.055
- Merlot #730039 ΔE 0.070
- Red Purple #820747 ΔE 0.073
- Purple Brown #673A3F ΔE 0.074
- Wine #80013F ΔE 0.076
- Plum Purple #4E0550 ΔE 0.084
Use #642859 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.