#666195
Closest named color: Dusky Blue (#475F94). oklch(51.9% 0.081 287.6), rgb(102, 97, 149).
Aa
White text reads best on this color (5.66:1).
About this color
#666195 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 52%, its chroma 0.081 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.045 away. White text reads best on it, at 5.66:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.70:1 |
| White text | 5.66:1 |
Values
| HEX | #666195 |
| RGB | rgb(102, 97, 149) |
| HSL | hsl(246, 21%, 48%) |
| OKLCH | oklch(51.9% 0.081 287.6) |
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 #666195 | 5.66:1 | AA | Lc -83.5 | Fine for body text |
| Black text on #666195 | 3.70:1 | AA large text | Lc 25.8 | Dividers and decoration only |
| #666195 text on white | 5.66:1 | AA | Lc 78.3 | Fine for body text |
| #666195 text on black | 3.70:1 | AA large text | Lc -23.5 | Dividers and decoration only |
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 700.
-
Step 50
50
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E9E9F1
oklch(93.6% 0.011 286.2)
-
Step 200
200
#D8D7E7
oklch(88.5% 0.022 288.8)
-
Step 300
300
#BFBDD9
oklch(80.9% 0.039 288.8)
-
Step 400
400
#9E9BC6
oklch(70.7% 0.062 287.9)
-
Step 500
500
#8682B8
oklch(63.1% 0.081 287.2)
-
Step 600
600
#706BA4
oklch(55.6% 0.087 287.2)
-
Step 700
700 (this color)
#666195
oklch(51.9% 0.081 287.6)
-
Step 800
800
#4D4972
oklch(42.7% 0.067 287.7)
-
Step 900
900
#403D5C
oklch(37.7% 0.053 288)
-
Step 950
950
#252436
oklch(27% 0.033 286.5)
#666195 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) | #526897 | 0.032 |
| Deuteranopia (no green cones) | #516694 | 0.032 |
| Tritanopia (no blue cones) | #5B6A74 | 0.069 |
| Achromatopsia (no color) | #676767 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #666195
#666195
oklch(51.9% 0.081 287.6)
- #6D6C30
#6D6C30
oklch(51.9% 0.082 108.1)
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 #666195, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.045
- Muted Purple #805B87 ΔE 0.047
- Dusty Purple #825F87 ΔE 0.050
- Dark Lavender #856798 ΔE 0.055
- French Blue #436BAD ΔE 0.057
- Dull Purple #84597E ΔE 0.060
- Denim #3B638C ΔE 0.060
- Dusk #4E5481 ΔE 0.061
Use #666195 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.