#666288
Closest named color: Muted Purple (#805B87). oklch(51.5% 0.06 288.9), rgb(102, 98, 136).
Aa
White text reads best on this color (5.72:1).
About this color
#666288 is a medium-dark, muted purple. In OKLCH its lightness is 51%, its chroma 0.060 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Muted Purple (#805B87), ΔE 0.045 away. White text reads best on it, at 5.72:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Muted Purple (#805B87) |
| Black text | 3.66:1 |
| White text | 5.72:1 |
Values
| HEX | #666288 |
| RGB | rgb(102, 98, 136) |
| HSL | hsl(246, 16%, 46%) |
| OKLCH | oklch(51.5% 0.06 288.9) |
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 #666288 | 5.72:1 | AA | Lc -83.9 | Fine for body text |
| Black text on #666288 | 3.66:1 | AA large text | Lc 25.4 | Dividers and decoration only |
| #666288 text on white | 5.72:1 | AA | Lc 78.6 | Fine for body text |
| #666288 text on black | 3.66:1 | AA large text | Lc -23.2 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E9E9EF
oklch(93.6% 0.008 286.2)
-
Step 200
200
#D8D8E3
oklch(88.5% 0.015 286.1)
-
Step 300
300
#BFBED3
oklch(80.9% 0.029 287.9)
-
Step 400
400
#9F9CBC
oklch(70.6% 0.046 289.5)
-
Step 500
500
#8884AC
oklch(63.1% 0.06 289.1)
-
Step 600
600
#726D97
oklch(55.6% 0.065 289.6)
-
Step 700
700 (this color)
#666288
oklch(51.5% 0.06 288.9)
-
Step 800
800
#4E4B69
oklch(42.8% 0.049 288.7)
-
Step 900
900
#413E55
oklch(37.6% 0.039 290.4)
-
Step 950
950
#262532
oklch(27.1% 0.024 288.2)
#666288 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) | #58678A | 0.023 |
| Deuteranopia (no green cones) | #586587 | 0.022 |
| Tritanopia (no blue cones) | #5F686F | 0.051 |
| Achromatopsia (no color) | #666666 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #666288
#666288
oklch(51.5% 0.06 288.9)
- #6A6A41
#6A6A41
oklch(51.4% 0.06 108.3)
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 #666288, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Purple #805B87 ΔE 0.045
- Dusty Purple #825F87 ΔE 0.046
- Dusky Blue #475F94 ΔE 0.050
- Dusty Grape #545775 ΔE 0.051
- Slate #516572 ΔE 0.051
- Dull Purple #84597E ΔE 0.053
- Metallic Blue #4F738E ΔE 0.054
- Denim #3B638C ΔE 0.057
Use #666288 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.