#642D56
Closest named color: Grape Purple (#5D1451). oklch(38.7% 0.097 338), rgb(100, 45, 86).
Aa
White text reads best on this color (10.23:1).
About this color
#642D56 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.097 and its hue 338°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.055 away. White text reads best on it, at 10.23:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.097) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 2.05:1 |
| White text | 10.23:1 |
Values
| HEX | #642D56 |
| RGB | rgb(100, 45, 86) |
| HSL | hsl(315, 38%, 28%) |
| OKLCH | oklch(38.7% 0.097 338) |
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 #642D56 | 10.23:1 | AAA | Lc -97.5 | Preferred for body text |
| Black text on #642D56 | 2.05:1 | Fails | Lc 10.6 | Not readable |
| #642D56 text on white | 10.23:1 | AAA | Lc 93.4 | Preferred for body text |
| #642D56 text on black | 2.05:1 | 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
#FAF3F8
oklch(97.1% 0.01 335.5)
-
Step 100
100
#F4E5EF
oklch(93.7% 0.021 337.7)
-
Step 200
200
#ECCFE2
oklch(88.4% 0.041 338.7)
-
Step 300
300
#E0AFD1
oklch(80.9% 0.072 337.7)
-
Step 400
400
#CF83BA
oklch(70.6% 0.117 337.7)
-
Step 500
500
#C162A8
oklch(63.1% 0.148 338.2)
-
Step 600
600
#AC4694
oklch(55.6% 0.162 337.7)
-
Step 700
700
#93377E
oklch(49% 0.15 337.6)
-
Step 800
800
#782E66
oklch(42.7% 0.125 338.2)
-
Step 900
900 (this color)
#642D56
oklch(38.7% 0.097 338)
-
Step 950
950
#391931
oklch(26.9% 0.062 337.5)
#642D56 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) | #2F3C57 | 0.100 |
| Deuteranopia (no green cones) | #3E4455 | 0.090 |
| Tritanopia (no blue cones) | #692F3D | 0.046 |
| Achromatopsia (no color) | #414141 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642D56
#642D56
oklch(38.7% 0.097 338)
- #005231
#005231
oklch(38.6% 0.09 158.2)
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 #642D56, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.055
- Velvet #750851 ΔE 0.060
- Purple Brown #673A3F ΔE 0.061
- Rich Purple #720058 ΔE 0.066
- Merlot #730039 ΔE 0.073
- Red Purple #820747 ΔE 0.074
- Brownish Purple #76424E ΔE 0.075
- Wine #80013F ΔE 0.078
Use #642D56 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.