#66196D
Closest named color: Rich Purple (#720058). oklch(37.9% 0.149 324.3), rgb(102, 25, 109).
Aa
White text reads best on this color (10.91:1).
About this color
#66196D is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.149 and its hue 324°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Purple (#720058), ΔE 0.048 away. White text reads best on it, at 10.91:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.149) |
| Temperature | in between |
| Nearest name | Rich Purple (#720058) |
| Black text | 1.92:1 |
| White text | 10.91:1 |
Values
| HEX | #66196D |
| RGB | rgb(102, 25, 109) |
| HSL | hsl(295, 63%, 26%) |
| OKLCH | oklch(37.9% 0.149 324.3) |
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 #66196D | 10.91:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #66196D | 1.92:1 | Fails | Lc 9.7 | Not readable |
| #66196D text on white | 10.91:1 | AAA | Lc 94.2 | Preferred for body text |
| #66196D text on black | 1.92:1 | Fails | Lc -8.3 | 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
#F5E3F6
oklch(93.6% 0.032 324.2)
-
Step 200
200
#EFCCF1
oklch(88.6% 0.063 324.4)
-
Step 300
300
#E5A8E9
oklch(81% 0.111 324.5)
-
Step 400
400
#D674DE
oklch(70.7% 0.18 324.4)
-
Step 500
500
#C947D5
oklch(63.1% 0.23 324.3)
-
Step 600
600
#B418C2
oklch(55.6% 0.249 324.2)
-
Step 700
700
#9B00A7
oklch(49.2% 0.231 324.4)
-
Step 800
800
#7E0C88
oklch(42.8% 0.192 324.2)
-
Step 900
900 (this color)
#66196D
oklch(37.9% 0.149 324.3)
-
Step 950
950
#3C1140
oklch(27.1% 0.095 324.2)
#66196D 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) | #00376F | 0.157 |
| Deuteranopia (no green cones) | #29406B | 0.133 |
| Tritanopia (no blue cones) | #682842 | 0.086 |
| Achromatopsia (no color) | #3D3D3D | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66196D
#66196D
oklch(37.9% 0.149 324.3)
- #00510D
#00510D
oklch(37.8% 0.121 144.3)
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 #66196D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Purple #720058 ΔE 0.048
- Grape Purple #5D1451 ΔE 0.051
- Velvet #750851 ΔE 0.059
- Purple #800080 ΔE 0.062
- Royal Purple #4B006E ΔE 0.072
- Plum Purple #4E0550 ΔE 0.078
- Indigo #4B0082 ΔE 0.081
- Rebecca Purple #663399 ΔE 0.084
Use #66196D 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.