#642871
Closest named color: Grape Purple (#5D1451). oklch(39.5% 0.132 320.1), rgb(100, 40, 113).
Aa
White text reads best on this color (10.07:1).
About this color
#642871 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.132 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.064 away. White text reads best on it, at 10.07:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.132) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 2.08:1 |
| White text | 10.07:1 |
Values
| HEX | #642871 |
| RGB | rgb(100, 40, 113) |
| HSL | hsl(289, 48%, 30%) |
| OKLCH | oklch(39.5% 0.132 320.1) |
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 #642871 | 10.07:1 | AAA | Lc -97.0 | Preferred for body text |
| Black text on #642871 | 2.08:1 | Fails | Lc 11.1 | Not readable |
| #642871 text on white | 10.07:1 | AAA | Lc 92.8 | Preferred for body text |
| #642871 text on black | 2.08:1 | Fails | Lc -9.6 | 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
#FAF3FB
oklch(97.2% 0.013 321.9)
-
Step 100
100
#F3E4F6
oklch(93.6% 0.029 320.6)
-
Step 200
200
#EACEF0
oklch(88.5% 0.055 320.3)
-
Step 300
300
#DDACE8
oklch(80.8% 0.098 320.1)
-
Step 400
400
#CB7DDD
oklch(70.7% 0.158 319.9)
-
Step 500
500
#BD56D3
oklch(63.1% 0.202 320.2)
-
Step 600
600
#A835C0
oklch(55.6% 0.219 320.1)
-
Step 700
700
#9025A6
oklch(49.1% 0.204 320)
-
Step 800
800
#752286
oklch(42.7% 0.168 320.2)
-
Step 900
900 (this color)
#642871
oklch(39.5% 0.132 320.1)
-
Step 950
950
#38163F
oklch(27.1% 0.083 320.5)
#642871 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) | #163E73 | 0.128 |
| Deuteranopia (no green cones) | #2E446F | 0.111 |
| Tritanopia (no blue cones) | #653448 | 0.083 |
| Achromatopsia (no color) | #424242 | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642871
#642871
oklch(39.5% 0.132 320.1)
- #155500
#155500
oklch(39.4% 0.127 140)
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 #642871, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.064
- Rich Purple #720058 ΔE 0.065
- Rebecca Purple #663399 ΔE 0.068
- Purple #800080 ΔE 0.071
- Velvet #750851 ΔE 0.071
- Dark Slate Blue #483D8B ΔE 0.078
- Royal Purple #4B006E ΔE 0.086
- Indigo #4B0082 ΔE 0.088
Use #642871 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.