#642666
Closest named color: Grape Purple (#5D1451). oklch(38.6% 0.124 326.4), rgb(100, 38, 102).
Aa
White text reads best on this color (10.44:1).
About this color
#642666 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.124 and its hue 326°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.049 away. White text reads best on it, at 10.44:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.124) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 2.01:1 |
| White text | 10.44:1 |
Values
| HEX | #642666 |
| RGB | rgb(100, 38, 102) |
| HSL | hsl(298, 46%, 27%) |
| OKLCH | oklch(38.6% 0.124 326.4) |
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 #642666 | 10.44:1 | AAA | Lc -97.7 | Preferred for body text |
| Black text on #642666 | 2.01:1 | Fails | Lc 10.3 | Not readable |
| #642666 text on white | 10.44:1 | AAA | Lc 93.6 | Preferred for body text |
| #642666 text on black | 2.01:1 | Fails | Lc -8.9 | 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
#F4E4F4
oklch(93.6% 0.027 325.8)
-
Step 200
200
#ECCEEC
oklch(88.5% 0.052 326)
-
Step 300
300
#E1ACE1
oklch(81% 0.093 326.4)
-
Step 400
400
#D07DD1
oklch(70.7% 0.149 326.6)
-
Step 500
500
#C257C5
oklch(63.1% 0.191 326.5)
-
Step 600
600
#AD37B1
oklch(55.6% 0.206 326.5)
-
Step 700
700
#942898
oklch(49.1% 0.191 326.5)
-
Step 800
800
#78237C
oklch(42.6% 0.16 326)
-
Step 900
900 (this color)
#642666
oklch(38.6% 0.124 326.4)
-
Step 950
950
#39163A
oklch(26.9% 0.078 326.4)
#642666 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) | #1D3A68 | 0.125 |
| Deuteranopia (no green cones) | #334264 | 0.108 |
| Tritanopia (no blue cones) | #672E42 | 0.070 |
| Achromatopsia (no color) | #404040 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642666
#642666
oklch(38.6% 0.124 326.4)
- #005318
#005318
oklch(38.5% 0.116 146.5)
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 #642666, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.049
- Rich Purple #720058 ΔE 0.054
- Velvet #750851 ΔE 0.057
- Purple #800080 ΔE 0.078
- Red Purple #820747 ΔE 0.083
- Plum Purple #4E0550 ΔE 0.084
- Merlot #730039 ΔE 0.086
- Rebecca Purple #663399 ΔE 0.087
Use #642666 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.