#533D66
Closest named color: Dark Slate Blue (#483D8B). oklch(40.2% 0.072 308.1), rgb(83, 61, 102).
Aa
White text reads best on this color (9.42:1).
About this color
#533D66 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.072 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.065 away. White text reads best on it, at 9.42:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.072) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.22:1 |
| White text | 9.42:1 |
Values
| HEX | #533D66 |
| RGB | rgb(83, 61, 102) |
| HSL | hsl(272, 25%, 32%) |
| OKLCH | oklch(40.2% 0.072 308.1) |
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 #533D66 | 9.42:1 | AAA | Lc -96.0 | Preferred for body text |
| Black text on #533D66 | 2.22:1 | Fails | Lc 12.2 | Not readable |
| #533D66 text on white | 9.42:1 | AAA | Lc 91.7 | Preferred for body text |
| #533D66 text on black | 2.22:1 | Fails | Lc -10.7 | 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 900.
-
Step 50
50
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#EDE7F2
oklch(93.6% 0.016 310.1)
-
Step 200
200
#DFD4E9
oklch(88.5% 0.031 309.1)
-
Step 300
300
#CAB8DC
oklch(80.9% 0.054 307.7)
-
Step 400
400
#B092CA
oklch(70.7% 0.086 308.7)
-
Step 500
500
#9C76BD
oklch(63% 0.111 308.1)
-
Step 600
600
#875EA9
oklch(55.6% 0.12 308.1)
-
Step 700
700
#724D91
oklch(49% 0.112 307.9)
-
Step 800
800
#5D4076
oklch(42.8% 0.092 307.7)
-
Step 900
900 (this color)
#533D66
oklch(40.2% 0.072 308.1)
-
Step 950
950
#2D2038
oklch(27.1% 0.047 308.4)
#533D66 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) | #354568 | 0.051 |
| Deuteranopia (no green cones) | #3A4665 | 0.047 |
| Tritanopia (no blue cones) | #51434C | 0.053 |
| Achromatopsia (no color) | #464646 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #533D66
#533D66
oklch(40.2% 0.072 308.1)
- #3D4F23
#3D4F23
oklch(40.1% 0.071 127.7)
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 #533D66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.065
- Dusk #4E5481 ΔE 0.070
- Dark Grey Blue #29465B ΔE 0.073
- Purple Brown #673A3F ΔE 0.073
- Twilight #4E518B ΔE 0.074
- Dusty Grape #545775 ΔE 0.074
- Charcoal Grey #3C4142 ΔE 0.079
- Blueberry #464196 ΔE 0.082
Use #533D66 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.