#642E57
Closest named color: Grape Purple (#5D1451). oklch(38.9% 0.096 337.3), rgb(100, 46, 87).
Aa
White text reads best on this color (10.14:1).
About this color
#642E57 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.096 and its hue 337°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.057 away. White text reads best on it, at 10.14:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.096) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 2.07:1 |
| White text | 10.14:1 |
Values
| HEX | #642E57 |
| RGB | rgb(100, 46, 87) |
| HSL | hsl(314, 37%, 29%) |
| OKLCH | oklch(38.9% 0.096 337.3) |
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 #642E57 | 10.14:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #642E57 | 2.07:1 | Fails | Lc 10.8 | Not readable |
| #642E57 text on white | 10.14:1 | AAA | Lc 93.2 | Preferred for body text |
| #642E57 text on black | 2.07:1 | Fails | Lc -9.3 | 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
#EBD0E3
oklch(88.6% 0.039 336.5)
-
Step 300
300
#E0AFD1
oklch(80.9% 0.072 337.7)
-
Step 400
400
#CE84BA
oklch(70.7% 0.114 337.3)
-
Step 500
500
#C063A9
oklch(63.1% 0.146 337.4)
-
Step 600
600
#AB4794
oklch(55.6% 0.16 337.4)
-
Step 700
700
#92387E
oklch(49% 0.148 337.3)
-
Step 800
800
#772F67
oklch(42.7% 0.123 337)
-
Step 900
900 (this color)
#642E57
oklch(38.9% 0.096 337.3)
-
Step 950
950
#391A31
oklch(27.1% 0.06 337.7)
#642E57 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) | #2F3C58 | 0.099 |
| Deuteranopia (no green cones) | #3E4456 | 0.088 |
| Tritanopia (no blue cones) | #69303E | 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°).
- #642E57
#642E57
oklch(38.9% 0.096 337.3)
- #005330
#005330
oklch(38.9% 0.093 157.1)
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 #642E57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.057
- Purple Brown #673A3F ΔE 0.060
- Velvet #750851 ΔE 0.062
- Rich Purple #720058 ΔE 0.068
- Brownish Purple #76424E ΔE 0.073
- Merlot #730039 ΔE 0.075
- Red Purple #820747 ΔE 0.076
- Wine #80013F ΔE 0.079
Use #642E57 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.