#66547B
Closest named color: Dusty Grape (#545775). oklch(47.9% 0.065 305.2), rgb(102, 84, 123).
Aa
White text reads best on this color (6.73:1).
About this color
#66547B is a medium-dark, muted purple. In OKLCH its lightness is 48%, its chroma 0.065 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.032 away. White text reads best on it, at 6.73:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.065) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.11:1 |
| White text | 6.73:1 |
Values
| HEX | #66547B |
| RGB | rgb(102, 84, 123) |
| HSL | hsl(268, 19%, 41%) |
| OKLCH | oklch(47.9% 0.065 305.2) |
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 #66547B | 6.73:1 | AA | Lc -88.2 | Fine for body text |
| Black text on #66547B | 3.11:1 | AA large text | Lc 20.9 | Dividers and decoration only |
| #66547B text on white | 6.73:1 | AA | Lc 83.2 | Fine for body text |
| #66547B text on black | 3.11:1 | AA large text | Lc -18.8 | 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
#F6F5F8
oklch(97.2% 0.004 301.4)
-
Step 100
100
#EBE8EF
oklch(93.5% 0.01 305.4)
-
Step 200
200
#DCD6E3
oklch(88.5% 0.019 306.6)
-
Step 300
300
#C5BCD1
oklch(80.9% 0.031 305)
-
Step 400
400
#A899BA
oklch(70.7% 0.05 305.7)
-
Step 500
500
#9280A9
oklch(63.1% 0.064 304.6)
-
Step 600
600
#7D6994
oklch(55.6% 0.069 305.5)
-
Step 700
700 (this color)
#66547B
oklch(47.9% 0.065 305.2)
-
Step 800
800
#564767
oklch(42.6% 0.055 305.6)
-
Step 900
900
#473C54
oklch(37.7% 0.043 305.3)
-
Step 950
950
#292331
oklch(26.9% 0.027 304.2)
#66547B 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) | #4C5B7D | 0.042 |
| Deuteranopia (no green cones) | #505C7A | 0.040 |
| Tritanopia (no blue cones) | #635A62 | 0.050 |
| Achromatopsia (no color) | #5C5C5C | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66547B
#66547B
oklch(47.9% 0.065 305.2)
- #55643B
#55643B
oklch(48% 0.064 125.1)
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 #66547B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.032
- Dusk #4E5481 ΔE 0.039
- Twilight #4E518B ΔE 0.049
- Muted Purple #805B87 ΔE 0.053
- Dull Purple #84597E ΔE 0.056
- YInMn Blue #415A77 ΔE 0.058
- Dusky Blue #475F94 ΔE 0.060
- Dusty Purple #825F87 ΔE 0.061
Use #66547B 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.