#66255C
Closest named color: Grape Purple (#5D1451). oklch(38.2% 0.118 334.1), rgb(102, 37, 92).
Aa
White text reads best on this color (10.58:1).
About this color
#66255C is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.118 and its hue 334°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.041 away. White text reads best on it, at 10.58:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.98:1 |
| White text | 10.58:1 |
Values
| HEX | #66255C |
| RGB | rgb(102, 37, 92) |
| HSL | hsl(309, 47%, 27%) |
| OKLCH | oklch(38.2% 0.118 334.1) |
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 #66255C | 10.58:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #66255C | 1.98:1 | Fails | Lc 10.0 | Not readable |
| #66255C text on white | 10.58:1 | AAA | Lc 93.9 | Preferred for body text |
| #66255C text on black | 1.98:1 | Fails | Lc -8.6 | 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
#FBF3F9
oklch(97.2% 0.012 334.1)
-
Step 100
100
#F5E4F1
oklch(93.6% 0.025 333.7)
-
Step 200
200
#EECEE7
oklch(88.6% 0.049 333.5)
-
Step 300
300
#E4ACD8
oklch(80.9% 0.087 334.1)
-
Step 400
400
#D57DC5
oklch(70.8% 0.141 334)
-
Step 500
500
#C758B5
oklch(63.1% 0.179 334.1)
-
Step 600
600
#B238A1
oklch(55.5% 0.195 334)
-
Step 700
700
#99298A
oklch(49.1% 0.182 334)
-
Step 800
800
#7C2470
oklch(42.6% 0.15 333.9)
-
Step 900
900 (this color)
#66255C
oklch(38.2% 0.118 334.1)
-
Step 950
950
#3B1635
oklch(27% 0.074 334)
#66255C 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) | #24395E | 0.123 |
| Deuteranopia (no green cones) | #39425A | 0.107 |
| Tritanopia (no blue cones) | #6B293D | 0.059 |
| Achromatopsia (no color) | #3F3F3F | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66255C
#66255C
oklch(38.2% 0.118 334.1)
- #00512A
#00512A
oklch(38.2% 0.096 154.2)
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 #66255C, 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 0.046
- Rich Purple #720058 ΔE 0.047
- Merlot #730039 ΔE 0.070
- Red Purple #820747 ΔE 0.070
- Wine #80013F ΔE 0.075
- Plum Purple #4E0550 ΔE 0.082
- Purple Brown #673A3F ΔE 0.082
Use #66255C 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.