#66176D
Closest named color: Rich Purple (#720058). oklch(37.7% 0.152 324.4), rgb(102, 23, 109).
Aa
White text reads best on this color (11.00:1).
About this color
#66176D is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.152 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 0.047 away. White text reads best on it, at 11.00:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.152) |
| Temperature | in between |
| Nearest name | Rich Purple (#720058) |
| Black text | 1.90:1 |
| White text | 11.00:1 |
Values
| HEX | #66176D |
| RGB | rgb(102, 23, 109) |
| HSL | hsl(295, 65%, 26%) |
| OKLCH | oklch(37.7% 0.152 324.4) |
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 #66176D | 11.00:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #66176D | 1.90:1 | Fails | Lc 9.5 | Not readable |
| #66176D text on white | 11.00:1 | AAA | Lc 94.4 | Preferred for body text |
| #66176D text on black | 1.90:1 | Fails | Lc -8.2 | 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
#F6E3F6
oklch(93.7% 0.032 325.8)
-
Step 200
200
#EFCCF1
oklch(88.6% 0.063 324.4)
-
Step 300
300
#E6A7EA
oklch(80.9% 0.114 324.6)
-
Step 400
400
#D773DF
oklch(70.7% 0.183 324.5)
-
Step 500
500
#CA45D6
oklch(63.1% 0.233 324.3)
-
Step 600
600
#B512C3
oklch(55.6% 0.253 324.3)
-
Step 700
700
#9B00A7
oklch(49.2% 0.231 324.4)
-
Step 800
800
#7E0888
oklch(42.6% 0.194 324.3)
-
Step 900
900 (this color)
#66176D
oklch(37.7% 0.152 324.4)
-
Step 950
950
#3C1040
oklch(27% 0.097 324.3)
#66176D 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) | #00366F | 0.158 |
| Deuteranopia (no green cones) | #283F6B | 0.135 |
| Tritanopia (no blue cones) | #682741 | 0.089 |
| Achromatopsia (no color) | #3C3C3C | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66176D
#66176D
oklch(37.7% 0.152 324.4)
- #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 #66176D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Purple #720058 ΔE 0.047
- Grape Purple #5D1451 ΔE 0.051
- Velvet #750851 ΔE 0.059
- Purple #800080 ΔE 0.062
- Royal Purple #4B006E ΔE 0.071
- Plum Purple #4E0550 ΔE 0.077
- Indigo #4B0082 ΔE 0.080
- Rebecca Purple #663399 ΔE 0.086
Use #66176D 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.