#533F66
Closest named color: Dusk (#4E5481). oklch(40.6% 0.068 307.1), rgb(83, 63, 102).
Aa
White text reads best on this color (9.24:1).
About this color
#533F66 is a dark, muted purple. In OKLCH its lightness is 41%, its chroma 0.068 and its hue 307°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.066 away. White text reads best on it, at 9.24:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | muted (0.068) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.27:1 |
| White text | 9.24:1 |
Values
| HEX | #533F66 |
| RGB | rgb(83, 63, 102) |
| HSL | hsl(271, 24%, 32%) |
| OKLCH | oklch(40.6% 0.068 307.1) |
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 #533F66 | 9.24:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #533F66 | 2.27:1 | Fails | Lc 12.7 | Not readable |
| #533F66 text on white | 9.24:1 | AAA | Lc 91.3 | Preferred for body text |
| #533F66 text on black | 2.27:1 | Fails | Lc -11.1 | Not readable |
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 800.
-
Step 50
50
#F6F4F8
oklch(97% 0.006 308.4)
-
Step 100
100
#ECE8F0
oklch(93.6% 0.011 308.3)
-
Step 200
200
#DDD6E5
oklch(88.6% 0.022 306.8)
-
Step 300
300
#C7BAD5
oklch(80.8% 0.04 307.1)
-
Step 400
400
#AB97C0
oklch(70.8% 0.063 306.9)
-
Step 500
500
#967CB0
oklch(63% 0.082 307)
-
Step 600
600
#81659C
oklch(55.6% 0.089 307.1)
-
Step 700
700
#6D5485
oklch(49.1% 0.082 307)
-
Step 800
800 (this color)
#533F66
oklch(40.6% 0.068 307.1)
-
Step 900
900
#493A58
oklch(37.7% 0.053 306.9)
-
Step 950
950
#2B2233
oklch(27% 0.033 308.4)
#533F66 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) | #374768 | 0.048 |
| Deuteranopia (no green cones) | #3B4865 | 0.045 |
| Tritanopia (no blue cones) | #50454D | 0.052 |
| Achromatopsia (no color) | #474747 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #533F66
#533F66
oklch(40.6% 0.068 307.1)
- #3F5026
#3F5026
oklch(40.6% 0.068 127.3)
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 #533F66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.066
- Dark Slate Blue #483D8B ΔE 0.067
- Dusty Grape #545775 ΔE 0.069
- Twilight #4E518B ΔE 0.071
- Dark Grey Blue #29465B ΔE 0.071
- Purple Brown #673A3F ΔE 0.072
- Charcoal Grey #3C4142 ΔE 0.077
- YInMn Blue #415A77 ΔE 0.079
Use #533F66 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.