#66105E
Closest named color: Rich Purple (#720058). oklch(36.2% 0.147 332.5), rgb(102, 16, 94).
Aa
White text reads best on this color (11.66:1).
About this color
#66105E is a dark, vivid purple. In OKLCH its lightness is 36%, its chroma 0.147 and its hue 332°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Purple (#720058), ΔE 0.029 away. White text reads best on it, at 11.66:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | vivid (0.147) |
| Temperature | in between |
| Nearest name | Rich Purple (#720058) |
| Black text | 1.80:1 |
| White text | 11.66:1 |
Values
| HEX | #66105E |
| RGB | rgb(102, 16, 94) |
| HSL | hsl(306, 73%, 23%) |
| OKLCH | oklch(36.2% 0.147 332.5) |
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 #66105E | 11.66:1 | AAA | Lc -99.4 | Preferred for body text |
| Black text on #66105E | 1.80:1 | Fails | Lc 8.4 | Not readable |
| #66105E text on white | 11.66:1 | AAA | Lc 95.5 | Preferred for body text |
| #66105E text on black | 1.80:1 | Fails | Lc 0.0 | 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
#FCF2FA
oklch(97.1% 0.015 332.2)
-
Step 100
100
#F7E2F3
oklch(93.5% 0.032 332.1)
-
Step 200
200
#F2CBEB
oklch(88.5% 0.061 332.2)
-
Step 300
300
#EBA6E0
oklch(80.9% 0.11 332.3)
-
Step 400
400
#DE72D0
oklch(70.7% 0.176 332.3)
-
Step 500
500
#D244C3
oklch(63.1% 0.224 332.4)
-
Step 600
600
#BD0EAF
oklch(55.5% 0.244 332.5)
-
Step 700
700
#A10095
oklch(49% 0.221 332.4)
-
Step 800
800
#84067A
oklch(42.6% 0.188 332.4)
-
Step 900
900 (this color)
#66105E
oklch(36.2% 0.147 332.5)
-
Step 950
950
#3F103A
oklch(27.1% 0.093 332.3)
#66105E 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) | #093160 | 0.162 |
| Deuteranopia (no green cones) | #2E3D5C | 0.136 |
| Tritanopia (no blue cones) | #6B1B37 | 0.077 |
| Achromatopsia (no color) | #383838 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66105E
#66105E
oklch(36.2% 0.147 332.5)
- #004B23
#004B23
oklch(36.2% 0.095 152.2)
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 #66105E, closest first.
No curated palette has a color within ΔE 0.04 of #66105E.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Purple #720058 ΔE 0.029
- Grape Purple #5D1451 ΔE 0.029
- Velvet #750851 ΔE 0.041
- Plum Purple #4E0550 ΔE 0.062
- Merlot #730039 ΔE 0.071
- Royal Purple #4B006E ΔE 0.076
- Red Purple #820747 ΔE 0.076
- Purple #800080 ΔE 0.077
Use #66105E 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.