#533B63
Closest named color: Dark Slate Blue (#483D8B). oklch(39.6% 0.072 311), rgb(83, 59, 99).
Aa
White text reads best on this color (9.66:1).
About this color
#533B63 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.072 and its hue 311°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.069 away. White text reads best on it, at 9.66:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.072) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.17:1 |
| White text | 9.66:1 |
Values
| HEX | #533B63 |
| RGB | rgb(83, 59, 99) |
| HSL | hsl(276, 25%, 31%) |
| OKLCH | oklch(39.6% 0.072 311) |
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 #533B63 | 9.66:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #533B63 | 2.17:1 | Fails | Lc 11.7 | Not readable |
| #533B63 text on white | 9.66:1 | AAA | Lc 92.3 | Preferred for body text |
| #533B63 text on black | 2.17:1 | Fails | Lc -10.1 | 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 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
#DFD4E8
oklch(88.5% 0.03 310.1)
-
Step 300
300
#CCB7DB
oklch(80.9% 0.055 311.2)
-
Step 400
400
#B292C8
oklch(70.8% 0.085 311.1)
-
Step 500
500
#9F76BA
oklch(63.2% 0.109 311.2)
-
Step 600
600
#8A5DA6
oklch(55.6% 0.12 311.4)
-
Step 700
700
#754C8F
oklch(49.1% 0.112 311.1)
-
Step 800
800
#5F3F74
oklch(42.7% 0.092 310.8)
-
Step 900
900 (this color)
#533B63
oklch(39.6% 0.072 311)
-
Step 950
950
#2E2037
oklch(27.1% 0.046 311.5)
#533B63 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) | #334365 | 0.055 |
| Deuteranopia (no green cones) | #394562 | 0.050 |
| Tritanopia (no blue cones) | #51414A | 0.052 |
| Achromatopsia (no color) | #454545 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #533B63
#533B63
oklch(39.6% 0.072 311)
- #394E23
#394E23
oklch(39.5% 0.071 130.5)
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 #533B63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.069
- Purple Brown #673A3F ΔE 0.071
- Dark Grey Blue #29465B ΔE 0.073
- Dusk #4E5481 ΔE 0.077
- Charcoal Grey #3C4142 ΔE 0.077
- Dusty Grape #545775 ΔE 0.080
- Twilight #4E518B ΔE 0.080
- Brownish Purple #76424E ΔE 0.083
Use #533B63 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.