#66628B
Closest named color: Muted Purple (#805B87). oklch(51.6% 0.064 288.4), rgb(102, 98, 139).
Aa
White text reads best on this color (5.69:1).
About this color
#66628B is a medium-dark, muted purple. In OKLCH its lightness is 52%, its chroma 0.064 and its hue 288°. 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 5.69:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Muted Purple (#805B87) |
| Black text | 3.68:1 |
| White text | 5.69:1 |
Values
| HEX | #66628B |
| RGB | rgb(102, 98, 139) |
| HSL | hsl(246, 17%, 46%) |
| OKLCH | oklch(51.6% 0.064 288.4) |
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 #66628B | 5.69:1 | AA | Lc -83.8 | Fine for body text |
| Black text on #66628B | 3.68:1 | AA large text | Lc 25.6 | Dividers and decoration only |
| #66628B text on white | 5.69:1 | AA | Lc 78.5 | Fine for body text |
| #66628B text on black | 3.68:1 | AA large text | Lc -23.3 | 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
#E9E9F0
oklch(93.6% 0.009 286.2)
-
Step 200
200
#D8D8E4
oklch(88.6% 0.016 286.1)
-
Step 300
300
#BFBED4
oklch(80.9% 0.031 287.8)
-
Step 400
400
#9F9CBE
oklch(70.7% 0.049 289.1)
-
Step 500
500
#8784AE
oklch(63.1% 0.063 287.7)
-
Step 600
600
#716D9A
oklch(55.6% 0.069 288)
-
Step 700
700 (this color)
#66628B
oklch(51.6% 0.064 288.4)
-
Step 800
800
#4D4A6B
oklch(42.6% 0.054 288)
-
Step 900
900
#403E57
oklch(37.7% 0.042 287.8)
-
Step 950
950
#262433
oklch(26.9% 0.028 290.5)
#66628B 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) | #57678D | 0.024 |
| Deuteranopia (no green cones) | #57668A | 0.024 |
| Tritanopia (no blue cones) | #5E6970 | 0.056 |
| Achromatopsia (no color) | #666666 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66628B
#66628B
oklch(51.6% 0.064 288.4)
- #6B6B3E
#6B6B3E
oklch(51.7% 0.065 108.5)
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 #66628B, 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 0.048
- Dusty Grape #545775 ΔE 0.053
- Dull Purple #84597E ΔE 0.054
- Metallic Blue #4F738E ΔE 0.054
- Slate #516572 ΔE 0.055
- Denim #3B638C ΔE 0.057
Use #66628B 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.