#642B6C
Closest named color: Grape Purple (#5D1451). oklch(39.6% 0.122 322.6), rgb(100, 43, 108).
Aa
White text reads best on this color (9.98:1).
About this color
#642B6C is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.122 and its hue 323°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.062 away. White text reads best on it, at 9.98:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.122) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 2.10:1 |
| White text | 9.98:1 |
Values
| HEX | #642B6C |
| RGB | rgb(100, 43, 108) |
| HSL | hsl(293, 43%, 30%) |
| OKLCH | oklch(39.6% 0.122 322.6) |
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 #642B6C | 9.98:1 | AAA | Lc -96.9 | Preferred for body text |
| Black text on #642B6C | 2.10:1 | Fails | Lc 11.3 | Not readable |
| #642B6C text on white | 9.98:1 | AAA | Lc 92.7 | Preferred for body text |
| #642B6C text on black | 2.10:1 | Fails | Lc -9.8 | 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
#FAF3FA
oklch(97.2% 0.012 325.7)
-
Step 100
100
#F3E4F4
oklch(93.5% 0.027 323.9)
-
Step 200
200
#EACFED
oklch(88.6% 0.05 322.8)
-
Step 300
300
#DDADE3
oklch(80.8% 0.091 322.7)
-
Step 400
400
#CB7FD5
oklch(70.6% 0.146 322.7)
-
Step 500
500
#BC5BCA
oklch(63.1% 0.186 322.4)
-
Step 600
600
#A83CB7
oklch(55.7% 0.203 322.6)
-
Step 700
700
#902C9D
oklch(49.1% 0.189 322.9)
-
Step 800
800
#75277F
oklch(42.8% 0.155 323)
-
Step 900
900 (this color)
#642B6C
oklch(39.6% 0.122 322.6)
-
Step 950
950
#37173C
oklch(26.9% 0.077 322.1)
#642B6C 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) | #203E6E | 0.118 |
| Deuteranopia (no green cones) | #33456A | 0.104 |
| Tritanopia (no blue cones) | #653447 | 0.073 |
| Achromatopsia (no color) | #424242 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642B6C
#642B6C
oklch(39.6% 0.122 322.6)
- #11560F
#11560F
oklch(39.7% 0.122 142.6)
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 #642B6C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.062
- Rich Purple #720058 ΔE 0.065
- Velvet #750851 ΔE 0.068
- Rebecca Purple #663399 ΔE 0.075
- Purple #800080 ΔE 0.078
- Dark Slate Blue #483D8B ΔE 0.079
- Red Purple #820747 ΔE 0.091
- Royal Purple #4B006E ΔE 0.092
Use #642B6C 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.