#642156
Closest named color: Grape Purple (#5D1451). oklch(37% 0.117 336.9), rgb(100, 33, 86).
Aa
White text reads best on this color (11.08:1).
About this color
#642156 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.117 and its hue 337°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.030 away. White text reads best on it, at 11.08:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.117) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.89:1 |
| White text | 11.08:1 |
Values
| HEX | #642156 |
| RGB | rgb(100, 33, 86) |
| HSL | hsl(313, 50%, 26%) |
| OKLCH | oklch(37% 0.117 336.9) |
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 #642156 | 11.08:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #642156 | 1.89:1 | Fails | Lc 8.9 | Not readable |
| #642156 text on white | 11.08:1 | AAA | Lc 95.0 | Preferred for body text |
| #642156 text on black | 1.89:1 | Fails | Lc -7.7 | 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
#FBF3F8
oklch(97.2% 0.011 339.3)
-
Step 100
100
#F6E4F0
oklch(93.7% 0.025 337.8)
-
Step 200
200
#EFCDE5
oklch(88.4% 0.049 336.6)
-
Step 300
300
#E6ABD6
oklch(80.9% 0.089 336.5)
-
Step 400
400
#D77CC1
oklch(70.7% 0.141 336.6)
-
Step 500
500
#CA56B1
oklch(63.1% 0.181 336.7)
-
Step 600
600
#B5369C
oklch(55.6% 0.196 336.9)
-
Step 700
700
#9B2785
oklch(49% 0.181 336.9)
-
Step 800
800
#7E236C
oklch(42.6% 0.15 336.9)
-
Step 900
900 (this color)
#642156
oklch(37% 0.117 336.9)
-
Step 950
950
#3C1633
oklch(27% 0.073 337.5)
#642156 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) | #223558 | 0.125 |
| Deuteranopia (no green cones) | #373F54 | 0.109 |
| Tritanopia (no blue cones) | #692438 | 0.056 |
| Achromatopsia (no color) | #3C3C3C | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642156
#642156
oklch(37% 0.117 336.9)
- #004D2C
#004D2C
oklch(37% 0.088 157)
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 #642156, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.030
- Velvet #750851 ΔE 0.043
- Rich Purple #720058 ΔE 0.044
- Merlot #730039 ΔE 0.062
- Red Purple #820747 ΔE 0.069
- Wine #80013F ΔE 0.072
- Plum Purple #4E0550 ΔE 0.073
- Deep Violet #490648 ΔE 0.084
Use #642156 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.