#661166
Closest named color: Rich Purple (#720058). oklch(36.7% 0.152 328.1), rgb(102, 17, 102).
Aa
White text reads best on this color (11.43:1).
About this color
#661166 is a dark, vivid purple. In OKLCH its lightness is 37%, its chroma 0.152 and its hue 328°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Purple (#720058), ΔE 0.037 away. White text reads best on it, at 11.43:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | vivid (0.152) |
| Temperature | in between |
| Nearest name | Rich Purple (#720058) |
| Black text | 1.83:1 |
| White text | 11.43:1 |
Values
| HEX | #661166 |
| RGB | rgb(102, 17, 102) |
| HSL | hsl(300, 71%, 23%) |
| OKLCH | oklch(36.7% 0.152 328.1) |
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 #661166 | 11.43:1 | AAA | Lc -99.0 | Preferred for body text |
| Black text on #661166 | 1.83:1 | Fails | Lc 8.8 | Not readable |
| #661166 text on white | 11.43:1 | AAA | Lc 95.1 | Preferred for body text |
| #661166 text on black | 1.83:1 | Fails | Lc -7.6 | 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
#FBF2FB
oklch(97.1% 0.015 325.7)
-
Step 100
100
#F7E3F5
oklch(93.7% 0.032 329)
-
Step 200
200
#F1CBEF
oklch(88.5% 0.064 327.8)
-
Step 300
300
#E9A6E6
oklch(80.9% 0.114 328.1)
-
Step 400
400
#DB71D9
oklch(70.6% 0.183 328)
-
Step 500
500
#CF42CE
oklch(63.1% 0.233 328.2)
-
Step 600
600
#BA06BB
oklch(55.5% 0.253 328.1)
-
Step 700
700
#9E009F
oklch(49.1% 0.226 328)
-
Step 800
800
#820283
oklch(42.7% 0.195 327.9)
-
Step 900
900 (this color)
#661166
oklch(36.7% 0.152 328.1)
-
Step 950
950
#3E0F3D
oklch(27% 0.096 328.7)
#661166 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) | #003368 | 0.164 |
| Deuteranopia (no green cones) | #2A3D64 | 0.138 |
| Tritanopia (no blue cones) | #69203C | 0.084 |
| Achromatopsia (no color) | #3A3A3A | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #661166
#661166
oklch(36.7% 0.152 328.1)
- #004D1B
#004D1B
oklch(36.7% 0.105 148.3)
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 #661166, closest first.
No curated palette has a color within ΔE 0.04 of #661166.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Purple #720058 ΔE 0.037
- Grape Purple #5D1451 ΔE 0.040
- Velvet #750851 ΔE 0.051
- Plum Purple #4E0550 ΔE 0.068
- Purple #800080 ΔE 0.068
- Royal Purple #4B006E ΔE 0.070
- Merlot #730039 ΔE 0.084
- Deep Violet #490648 ΔE 0.084
Use #661166 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.