#666281
Closest named color: Slate (#516572). oklch(51.2% 0.049 290.5), rgb(102, 98, 129).
Aa
White text reads best on this color (5.78:1).
About this color
#666281 is a medium-dark, muted purple. In OKLCH its lightness is 51%, its chroma 0.049 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate (#516572), ΔE 0.043 away. White text reads best on it, at 5.78:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.049) |
| Temperature | in between |
| Nearest name | Slate (#516572) |
| Black text | 3.62:1 |
| White text | 5.78:1 |
Values
| HEX | #666281 |
| RGB | rgb(102, 98, 129) |
| HSL | hsl(248, 14%, 45%) |
| OKLCH | oklch(51.2% 0.049 290.5) |
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 #666281 | 5.78:1 | AA | Lc -84.2 | Fine for body text |
| Black text on #666281 | 3.62:1 | AA large text | Lc 25.1 | Dividers and decoration only |
| #666281 text on white | 5.78:1 | AA | Lc 79.0 | Fine for body text |
| #666281 text on black | 3.62:1 | AA large text | Lc -22.8 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#EAE9EE
oklch(93.6% 0.007 295.4)
-
Step 200
200
#D9D8E1
oklch(88.6% 0.012 291.3)
-
Step 300
300
#C0BECF
oklch(80.8% 0.024 291.3)
-
Step 400
400
#A09DB7
oklch(70.7% 0.038 290.7)
-
Step 500
500
#8985A5
oklch(63.1% 0.048 290.7)
-
Step 600
600
#736E90
oklch(55.5% 0.052 291.3)
-
Step 700
700 (this color)
#666281
oklch(51.2% 0.049 290.5)
-
Step 800
800
#4F4B64
oklch(42.7% 0.041 291.9)
-
Step 900
900
#413F51
oklch(37.7% 0.031 289.9)
-
Step 950
950
#262530
oklch(27% 0.02 289.1)
#666281 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) | #5B6682 | 0.019 |
| Deuteranopia (no green cones) | #5B6580 | 0.018 |
| Tritanopia (no blue cones) | #60676D | 0.041 |
| Achromatopsia (no color) | #656565 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #666281
#666281
oklch(51.2% 0.049 290.5)
- #686949
#686949
oklch(51.1% 0.048 109.5)
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 #666281, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.043
- Dusty Grape #545775 ΔE 0.046
- Muted Purple #805B87 ΔE 0.048
- Dusty Purple #825F87 ΔE 0.048
- Dim Gray #696969 ΔE 0.050
- Dull Purple #84597E ΔE 0.053
- Metallic Blue #4F738E ΔE 0.053
- Dusky Blue #475F94 ΔE 0.055
Use #666281 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.