#66215B
Closest named color: Grape Purple (#5D1451). oklch(37.6% 0.123 334.6), rgb(102, 33, 91).
Aa
White text reads best on this color (10.86:1).
About this color
#66215B is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.123 and its hue 335°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.035 away. White text reads best on it, at 10.86:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.93:1 |
| White text | 10.86:1 |
Values
| HEX | #66215B |
| RGB | rgb(102, 33, 91) |
| HSL | hsl(310, 51%, 26%) |
| OKLCH | oklch(37.6% 0.123 334.6) |
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 #66215B | 10.86:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #66215B | 1.93:1 | Fails | Lc 9.5 | Not readable |
| #66215B text on white | 10.86:1 | AAA | Lc 94.4 | Preferred for body text |
| #66215B text on black | 1.93:1 | Fails | Lc -8.1 | 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
#FBF2F9
oklch(97% 0.013 333)
-
Step 100
100
#F6E4F1
oklch(93.7% 0.026 335.5)
-
Step 200
200
#EFCDE7
oklch(88.5% 0.051 334.2)
-
Step 300
300
#E6AAD9
oklch(80.8% 0.093 334.3)
-
Step 400
400
#D77BC5
oklch(70.7% 0.146 334.6)
-
Step 500
500
#CA54B6
oklch(63.1% 0.188 334.7)
-
Step 600
600
#B532A2
oklch(55.5% 0.205 334.5)
-
Step 700
700
#9C238B
oklch(49.2% 0.191 334.6)
-
Step 800
800
#7F2071
oklch(42.8% 0.158 334.7)
-
Step 900
900 (this color)
#66215B
oklch(37.6% 0.123 334.6)
-
Step 950
950
#3C1535
oklch(27% 0.077 335)
#66215B 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) | #20375D | 0.131 |
| Deuteranopia (no green cones) | #374159 | 0.114 |
| Tritanopia (no blue cones) | #6B263A | 0.063 |
| Achromatopsia (no color) | #3D3D3D | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66215B
#66215B
oklch(37.6% 0.123 334.6)
- #004F2A
#004F2A
oklch(37.6% 0.093 154.9)
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 #66215B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.035
- Rich Purple #720058 ΔE 0.041
- Velvet #750851 ΔE 0.042
- Merlot #730039 ΔE 0.066
- Red Purple #820747 ΔE 0.069
- Wine #80013F ΔE 0.073
- Plum Purple #4E0550 ΔE 0.076
- Purple #800080 ΔE 0.085
Use #66215B 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.