#533B6B
Closest named color: Dark Slate Blue (#483D8B). oklch(40.1% 0.083 306), rgb(83, 59, 107).
Aa
White text reads best on this color (9.52:1).
About this color
#533B6B is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.083 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.057 away. White text reads best on it, at 9.52:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.083) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.20:1 |
| White text | 9.52:1 |
Values
| HEX | #533B6B |
| RGB | rgb(83, 59, 107) |
| HSL | hsl(270, 29%, 33%) |
| OKLCH | oklch(40.1% 0.083 306) |
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 #533B6B | 9.52:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #533B6B | 2.20:1 | Fails | Lc 12.0 | Not readable |
| #533B6B text on white | 9.52:1 | AAA | Lc 91.9 | Preferred for body text |
| #533B6B text on black | 2.20:1 | Fails | Lc -10.5 | 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
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EDE7F4
oklch(93.6% 0.018 306.7)
-
Step 200
200
#DFD4EC
oklch(88.6% 0.035 306.3)
-
Step 300
300
#CAB7E1
oklch(80.9% 0.062 305.6)
-
Step 400
400
#B090D2
oklch(70.7% 0.1 306.2)
-
Step 500
500
#9D74C6
oklch(63.2% 0.127 306.1)
-
Step 600
600
#885BB2
oklch(55.7% 0.137 306.3)
-
Step 700
700
#734A99
oklch(49.1% 0.128 306.2)
-
Step 800
800
#5E3D7C
oklch(42.7% 0.106 306.6)
-
Step 900
900 (this color)
#533B6B
oklch(40.1% 0.083 306)
-
Step 950
950
#2D1F3B
oklch(27% 0.054 306.2)
#533B6B 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) | #30456D | 0.059 |
| Deuteranopia (no green cones) | #35466A | 0.055 |
| Tritanopia (no blue cones) | #4F434E | 0.061 |
| Achromatopsia (no color) | #454545 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #533B6B
#533B6B
oklch(40.1% 0.083 306)
- #3D5018
#3D5018
oklch(40.2% 0.084 125.9)
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 #533B6B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.057
- Dusk #4E5481 ΔE 0.072
- Twilight #4E518B ΔE 0.072
- Blueberry #464196 ΔE 0.074
- Dark Grey Blue #29465B ΔE 0.079
- Dusty Grape #545775 ΔE 0.079
- Purple Brown #673A3F ΔE 0.083
- Rebecca Purple #663399 ΔE 0.087
Use #533B6B 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.