#642D53
Closest named color: Grape Purple (#5D1451). oklch(38.6% 0.094 340.6), rgb(100, 45, 83).
Aa
White text reads best on this color (10.28:1).
About this color
#642D53 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.094 and its hue 341°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.056 away. White text reads best on it, at 10.28:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.094) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 2.04:1 |
| White text | 10.28:1 |
Values
| HEX | #642D53 |
| RGB | rgb(100, 45, 83) |
| HSL | hsl(319, 38%, 28%) |
| OKLCH | oklch(38.6% 0.094 340.6) |
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 #642D53 | 10.28:1 | AAA | Lc -97.6 | Preferred for body text |
| Black text on #642D53 | 2.04:1 | Fails | Lc 10.4 | Not readable |
| #642D53 text on white | 10.28:1 | AAA | Lc 93.5 | Preferred for body text |
| #642D53 text on black | 2.04:1 | Fails | Lc -9.0 | 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
#FAF3F7
oklch(97.1% 0.009 341.8)
-
Step 100
100
#F4E5EE
oklch(93.6% 0.02 340.7)
-
Step 200
200
#ECD0E1
oklch(88.6% 0.038 340.8)
-
Step 300
300
#E1AFCF
oklch(80.9% 0.071 340.2)
-
Step 400
400
#D084B6
oklch(70.7% 0.113 340.7)
-
Step 500
500
#C263A4
oklch(63.2% 0.144 340.6)
-
Step 600
600
#AD478F
oklch(55.6% 0.158 340.6)
-
Step 700
700
#943879
oklch(49.1% 0.145 340.8)
-
Step 800
800
#782F63
oklch(42.6% 0.121 340.2)
-
Step 900
900 (this color)
#642D53
oklch(38.6% 0.094 340.6)
-
Step 950
950
#391A2F
oklch(27% 0.058 340.7)
#642D53 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) | #303B54 | 0.099 |
| Deuteranopia (no green cones) | #3F4452 | 0.089 |
| Tritanopia (no blue cones) | #692E3C | 0.042 |
| Achromatopsia (no color) | #414141 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642D53
#642D53
oklch(38.6% 0.094 340.6)
- #005234
#005234
oklch(38.7% 0.087 160.4)
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 #642D53, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.056
- Purple Brown #673A3F ΔE 0.056
- Velvet #750851 ΔE 0.060
- Rich Purple #720058 ΔE 0.068
- Merlot #730039 ΔE 0.071
- Brownish Purple #76424E ΔE 0.073
- Red Purple #820747 ΔE 0.074
- Wine #80013F ΔE 0.076
Use #642D53 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.