#66185F
Closest named color: Grape Purple (#5D1451). oklch(36.9% 0.139 331.9), rgb(102, 24, 95).
Aa
White text reads best on this color (11.28:1).
About this color
#66185F is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.139 and its hue 332°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.031 away. White text reads best on it, at 11.28:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.86:1 |
| White text | 11.28:1 |
Values
| HEX | #66185F |
| RGB | rgb(102, 24, 95) |
| HSL | hsl(305, 62%, 25%) |
| OKLCH | oklch(36.9% 0.139 331.9) |
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 #66185F | 11.28:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #66185F | 1.86:1 | Fails | Lc 8.9 | Not readable |
| #66185F text on white | 11.28:1 | AAA | Lc 95.0 | Preferred for body text |
| #66185F text on black | 1.86:1 | 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
#FBF2FA
oklch(97% 0.014 329.1)
-
Step 100
100
#F7E3F3
oklch(93.6% 0.03 332.5)
-
Step 200
200
#F1CCEA
oklch(88.6% 0.057 332.5)
-
Step 300
300
#E9A8DF
oklch(81% 0.104 332)
-
Step 400
400
#DB75CE
oklch(70.7% 0.167 332.1)
-
Step 500
500
#CE4AC1
oklch(63% 0.213 331.9)
-
Step 600
600
#B921AD
oklch(55.5% 0.23 331.9)
-
Step 700
700
#9F0D95
oklch(49% 0.215 331.8)
-
Step 800
800
#821379
oklch(42.8% 0.178 332.1)
-
Step 900
900 (this color)
#66185F
oklch(36.9% 0.139 331.9)
-
Step 950
950
#3E1239
oklch(27.1% 0.088 332.4)
#66185F 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) | #133461 | 0.150 |
| Deuteranopia (no green cones) | #313E5D | 0.126 |
| Tritanopia (no blue cones) | #6B213A | 0.073 |
| Achromatopsia (no color) | #3B3B3B | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66185F
#66185F
oklch(36.9% 0.139 331.9)
- #004D24
#004D24
oklch(36.8% 0.096 152.2)
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 #66185F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.031
- Rich Purple #720058 ΔE 0.033
- Velvet #750851 ΔE 0.041
- Plum Purple #4E0550 ΔE 0.067
- Merlot #730039 ΔE 0.071
- Red Purple #820747 ΔE 0.074
- Purple #800080 ΔE 0.076
- Wine #80013F ΔE 0.079
Use #66185F 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.