#66255A
Closest named color: Grape Purple (#5D1451). oklch(38.1% 0.116 335.5), rgb(102, 37, 90).
Aa
White text reads best on this color (10.62:1).
About this color
#66255A is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.116 and its hue 335°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.041 away. White text reads best on it, at 10.62:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.116) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.97:1 |
| White text | 10.62:1 |
Values
| HEX | #66255A |
| RGB | rgb(102, 37, 90) |
| HSL | hsl(311, 47%, 27%) |
| OKLCH | oklch(38.1% 0.116 335.5) |
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 #66255A | 10.62:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #66255A | 1.97:1 | Fails | Lc 9.9 | Not readable |
| #66255A text on white | 10.62:1 | AAA | Lc 94.0 | Preferred for body text |
| #66255A text on black | 1.97:1 | Fails | Lc -8.5 | 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
#F5E4F0
oklch(93.6% 0.024 336.1)
-
Step 200
200
#EECEE6
oklch(88.5% 0.048 334.8)
-
Step 300
300
#E5ACD7
oklch(81% 0.087 335.4)
-
Step 400
400
#D57DC2
oklch(70.7% 0.139 335.4)
-
Step 500
500
#C858B2
oklch(63.1% 0.177 335.7)
-
Step 600
600
#B3399E
oklch(55.6% 0.192 335.5)
-
Step 700
700
#9A2987
oklch(49.1% 0.18 335.7)
-
Step 800
800
#7D256E
oklch(42.8% 0.148 335.4)
-
Step 900
900 (this color)
#66255A
oklch(38.1% 0.116 335.5)
-
Step 950
950
#3B1634
oklch(26.9% 0.073 335.2)
#66255A 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) | #25385C | 0.122 |
| Deuteranopia (no green cones) | #394258 | 0.108 |
| Tritanopia (no blue cones) | #6B293C | 0.057 |
| Achromatopsia (no color) | #3E3E3E | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66255A
#66255A
oklch(38.1% 0.116 335.5)
- #00512C
#00512C
oklch(38.2% 0.094 155.4)
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 #66255A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.041
- Velvet #750851 ΔE 0.045
- Rich Purple #720058 ΔE 0.048
- Merlot #730039 ΔE 0.067
- Red Purple #820747 ΔE 0.069
- Wine #80013F ΔE 0.073
- Purple Brown #673A3F ΔE 0.080
- Plum Purple #4E0550 ΔE 0.082
Use #66255A 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.