#66286D
Closest named color: Rich Purple (#720058). oklch(39.5% 0.129 323.5), rgb(102, 40, 109).
Aa
White text reads best on this color (10.05:1).
About this color
#66286D is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.129 and its hue 324°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Purple (#720058), ΔE 0.060 away. White text reads best on it, at 10.05:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Rich Purple (#720058) |
| Black text | 2.08:1 |
| White text | 10.05:1 |
Values
| HEX | #66286D |
| RGB | rgb(102, 40, 109) |
| HSL | hsl(294, 46%, 29%) |
| OKLCH | oklch(39.5% 0.129 323.5) |
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 #66286D | 10.05:1 | AAA | Lc -96.9 | Preferred for body text |
| Black text on #66286D | 2.08:1 | Fails | Lc 11.2 | Not readable |
| #66286D text on white | 10.05:1 | AAA | Lc 92.7 | Preferred for body text |
| #66286D text on black | 2.08:1 | Fails | Lc -9.7 | 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
#FAF3FB
oklch(97.2% 0.013 321.9)
-
Step 100
100
#F4E4F5
oklch(93.7% 0.028 324)
-
Step 200
200
#EBCEEE
oklch(88.5% 0.053 323.1)
-
Step 300
300
#E0ACE5
oklch(81% 0.097 323.5)
-
Step 400
400
#CE7CD7
oklch(70.6% 0.155 323.4)
-
Step 500
500
#C056CC
oklch(63.1% 0.197 323.5)
-
Step 600
600
#AB35B9
oklch(55.6% 0.214 323.3)
-
Step 700
700
#93259F
oklch(49.1% 0.199 323.6)
-
Step 800
800
#772281
oklch(42.7% 0.165 323.3)
-
Step 900
900 (this color)
#66286D
oklch(39.5% 0.129 323.5)
-
Step 950
950
#39163D
oklch(27.1% 0.081 323.4)
#66286D 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) | #1B3D6F | 0.128 |
| Deuteranopia (no green cones) | #32456B | 0.112 |
| Tritanopia (no blue cones) | #683246 | 0.077 |
| Achromatopsia (no color) | #424242 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66286D
#66286D
oklch(39.5% 0.129 323.5)
- #02570A
#02570A
oklch(39.7% 0.129 143.5)
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 #66286D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Purple #720058 ΔE 0.060
- Grape Purple #5D1451 ΔE 0.060
- Velvet #750851 ΔE 0.064
- Purple #800080 ΔE 0.071
- Rebecca Purple #663399 ΔE 0.074
- Dark Slate Blue #483D8B ΔE 0.084
- Red Purple #820747 ΔE 0.088
- Royal Purple #4B006E ΔE 0.090
Use #66286D 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.