#661668
Closest named color: Rich Purple (#720058). oklch(37.3% 0.149 327), rgb(102, 22, 104).
Aa
White text reads best on this color (11.17:1).
About this color
#661668 is a dark, vivid purple. In OKLCH its lightness is 37%, its chroma 0.149 and its hue 327°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Purple (#720058), ΔE 0.040 away. White text reads best on it, at 11.17:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | vivid (0.149) |
| Temperature | in between |
| Nearest name | Rich Purple (#720058) |
| Black text | 1.87:1 |
| White text | 11.17:1 |
Values
| HEX | #661668 |
| RGB | rgb(102, 22, 104) |
| HSL | hsl(299, 65%, 25%) |
| OKLCH | oklch(37.3% 0.149 327) |
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 #661668 | 11.17:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #661668 | 1.87:1 | Fails | Lc 9.2 | Not readable |
| #661668 text on white | 11.17:1 | AAA | Lc 94.7 | Preferred for body text |
| #661668 text on black | 1.87:1 | Fails | Lc -7.9 | 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
#F6E3F5
oklch(93.6% 0.031 327.4)
-
Step 200
200
#F0CBEF
oklch(88.4% 0.063 326.9)
-
Step 300
300
#E7A7E6
oklch(80.9% 0.111 327.1)
-
Step 400
400
#D973DA
oklch(70.7% 0.179 326.9)
-
Step 500
500
#CC46CF
oklch(63.1% 0.228 327)
-
Step 600
600
#B715BC
oklch(55.5% 0.247 326.8)
-
Step 700
700
#9D00A1
oklch(49.1% 0.227 327)
-
Step 800
800
#800A83
oklch(42.7% 0.191 327.1)
-
Step 900
900 (this color)
#661668
oklch(37.3% 0.149 327)
-
Step 950
950
#3D103E
oklch(27% 0.095 326.9)
#661668 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) | #01356A | 0.160 |
| Deuteranopia (no green cones) | #2B3F66 | 0.134 |
| Tritanopia (no blue cones) | #69243E | 0.084 |
| Achromatopsia (no color) | #3B3B3B | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #661668
#661668
oklch(37.3% 0.149 327)
- #004F18
#004F18
oklch(37.2% 0.111 147)
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 #661668, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Purple #720058 ΔE 0.040
- Grape Purple #5D1451 ΔE 0.043
- Velvet #750851 ΔE 0.053
- Purple #800080 ΔE 0.066
- Plum Purple #4E0550 ΔE 0.072
- Royal Purple #4B006E ΔE 0.072
- Indigo #4B0082 ΔE 0.085
- Red Purple #820747 ΔE 0.085
Use #661668 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.