#533B72
Closest named color: Dark Slate Blue (#483D8B). oklch(40.5% 0.093 302.6), rgb(83, 59, 114).
Aa
White text reads best on this color (9.39:1).
About this color
#533B72 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.093 and its hue 303°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.046 away. White text reads best on it, at 9.39:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.093) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.23:1 |
| White text | 9.39:1 |
Values
| HEX | #533B72 |
| RGB | rgb(83, 59, 114) |
| HSL | hsl(266, 32%, 34%) |
| OKLCH | oklch(40.5% 0.093 302.6) |
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 #533B72 | 9.39:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #533B72 | 2.23:1 | Fails | Lc 12.4 | Not readable |
| #533B72 text on white | 9.39:1 | AAA | Lc 91.6 | Preferred for body text |
| #533B72 text on black | 2.23:1 | Fails | Lc -10.8 | 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#ECE8F3
oklch(93.7% 0.015 302.5)
-
Step 200
200
#DDD5EA
oklch(88.6% 0.03 303)
-
Step 300
300
#C7B9DE
oklch(80.9% 0.054 302.4)
-
Step 400
400
#AB94CE
oklch(70.8% 0.087 302.4)
-
Step 500
500
#9778C1
oklch(63.1% 0.112 302.9)
-
Step 600
600
#8160AD
oklch(55.5% 0.12 302.4)
-
Step 700
700
#6D4F95
oklch(49.1% 0.112 302.2)
-
Step 800
800 (this color)
#533B72
oklch(40.5% 0.093 302.6)
-
Step 900
900
#493761
oklch(37.6% 0.073 302.8)
-
Step 950
950
#2B2139
oklch(27.1% 0.045 302.6)
#533B72 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) | #2C4674 | 0.064 |
| Deuteranopia (no green cones) | #314671 | 0.059 |
| Tritanopia (no blue cones) | #4D4551 | 0.071 |
| Achromatopsia (no color) | #464646 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #533B72
#533B72
oklch(40.5% 0.093 302.6)
- #40500A
#40500A
oklch(40.3% 0.092 122.4)
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 #533B72, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.046
- Blueberry #464196 ΔE 0.063
- Twilight #4E518B ΔE 0.066
- Dusk #4E5481 ΔE 0.069
- Rebecca Purple #663399 ΔE 0.076
- Dusty Grape #545775 ΔE 0.080
- Dark Grey Blue #29465B ΔE 0.085
- Cobalt #1E488F ΔE 0.086
Use #533B72 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.