#66276D
Closest named color: Rich Purple (#720058). oklch(39.4% 0.13 323.6), rgb(102, 39, 109).
Aa
White text reads best on this color (10.11:1).
About this color
#66276D is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.130 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 0.058 away. White text reads best on it, at 10.11:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.130) |
| Temperature | in between |
| Nearest name | Rich Purple (#720058) |
| Black text | 2.07:1 |
| White text | 10.11:1 |
Values
| HEX | #66276D |
| RGB | rgb(102, 39, 109) |
| HSL | hsl(294, 47%, 29%) |
| OKLCH | oklch(39.4% 0.13 323.6) |
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 #66276D | 10.11:1 | AAA | Lc -97.0 | Preferred for body text |
| Black text on #66276D | 2.07:1 | Fails | Lc 11.1 | Not readable |
| #66276D text on white | 10.11:1 | AAA | Lc 92.9 | Preferred for body text |
| #66276D text on black | 2.07:1 | 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
#F4E4F5
oklch(93.7% 0.028 324)
-
Step 200
200
#EBCEEE
oklch(88.5% 0.053 323.1)
-
Step 300
300
#E0ABE5
oklch(80.8% 0.098 323.6)
-
Step 400
400
#CF7CD8
oklch(70.7% 0.157 323.5)
-
Step 500
500
#C155CD
oklch(63.1% 0.2 323.6)
-
Step 600
600
#AC33B9
oklch(55.5% 0.217 323.7)
-
Step 700
700
#9423A0
oklch(49.2% 0.203 323.7)
-
Step 800
800
#782182
oklch(42.8% 0.167 323.4)
-
Step 900
900 (this color)
#66276D
oklch(39.4% 0.13 323.6)
-
Step 950
950
#39153D
oklch(27% 0.083 323.6)
#66276D 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) | #1A3D6F | 0.130 |
| Deuteranopia (no green cones) | #32446B | 0.112 |
| Tritanopia (no blue cones) | #683146 | 0.077 |
| Achromatopsia (no color) | #424242 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66276D
#66276D
oklch(39.4% 0.13 323.6)
- #005609
#005609
oklch(39.3% 0.129 143.6)
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 #66276D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Purple #720058 ΔE 0.058
- Grape Purple #5D1451 ΔE 0.059
- Velvet #750851 ΔE 0.064
- Purple #800080 ΔE 0.070
- Rebecca Purple #663399 ΔE 0.075
- Dark Slate Blue #483D8B ΔE 0.085
- Red Purple #820747 ΔE 0.088
- Royal Purple #4B006E ΔE 0.088
Use #66276D 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.