#66567E
Closest named color: Dusty Grape (#545775). oklch(48.5% 0.066 302.4), rgb(102, 86, 126).
Aa
White text reads best on this color (6.56:1).
About this color
#66567E is a medium-dark, muted purple. In OKLCH its lightness is 48%, its chroma 0.066 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.033 away. White text reads best on it, at 6.56:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.066) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.19:1 |
| White text | 6.56:1 |
Values
| HEX | #66567E |
| RGB | rgb(102, 86, 126) |
| HSL | hsl(264, 19%, 42%) |
| OKLCH | oklch(48.5% 0.066 302.4) |
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 #66567E | 6.56:1 | AA | Lc -87.5 | Fine for body text |
| Black text on #66567E | 3.19:1 | AA large text | Lc 21.6 | Dividers and decoration only |
| #66567E text on white | 6.56:1 | AA | Lc 82.5 | Fine for body text |
| #66567E text on black | 3.19:1 | AA large text | Lc -19.4 | 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
#F6F5F8
oklch(97.2% 0.004 301.4)
-
Step 100
100
#EBE8EF
oklch(93.5% 0.01 305.4)
-
Step 200
200
#DBD7E3
oklch(88.6% 0.017 301.2)
-
Step 300
300
#C4BCD2
oklch(80.9% 0.032 302.2)
-
Step 400
400
#A699BB
oklch(70.6% 0.051 302.5)
-
Step 500
500
#9180AB
oklch(63.1% 0.066 302.6)
-
Step 600
600
#7B6996
oklch(55.5% 0.071 302.5)
-
Step 700
700 (this color)
#66567E
oklch(48.5% 0.066 302.4)
-
Step 800
800
#554868
oklch(42.8% 0.054 302.8)
-
Step 900
900
#463C54
oklch(37.6% 0.042 303.5)
-
Step 950
950
#292331
oklch(26.9% 0.027 304.2)
#66567E 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) | #4E5D80 | 0.039 |
| Deuteranopia (no green cones) | #515D7D | 0.037 |
| Tritanopia (no blue cones) | #625C64 | 0.052 |
| Achromatopsia (no color) | #5D5D5D | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66567E
#66567E
oklch(48.5% 0.066 302.4)
- #58653A
#58653A
oklch(48.4% 0.066 122.6)
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 #66567E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.033
- Dusk #4E5481 ΔE 0.040
- Twilight #4E518B ΔE 0.049
- Muted Purple #805B87 ΔE 0.050
- Dull Purple #84597E ΔE 0.054
- Dusky Blue #475F94 ΔE 0.056
- Dusty Purple #825F87 ΔE 0.057
- YInMn Blue #415A77 ΔE 0.058
Use #66567E 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.