#533666
Closest named color: Dark Slate Blue (#483D8B). oklch(38.8% 0.086 310.8), rgb(83, 54, 102).
Aa
White text reads best on this color (10.06:1).
About this color
#533666 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.086 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 0.065 away. White text reads best on it, at 10.06:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.086) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.08:1 |
| White text | 10.06:1 |
Values
| HEX | #533666 |
| RGB | rgb(83, 54, 102) |
| HSL | hsl(276, 31%, 31%) |
| OKLCH | oklch(38.8% 0.086 310.8) |
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 #533666 | 10.06:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #533666 | 2.08:1 | Fails | Lc 10.7 | Not readable |
| #533666 text on white | 10.06:1 | AAA | Lc 93.2 | Preferred for body text |
| #533666 text on black | 2.08:1 | Fails | Lc -9.3 | 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
#EEE7F3
oklch(93.7% 0.018 311.6)
-
Step 200
200
#E1D3EB
oklch(88.5% 0.036 311.4)
-
Step 300
300
#CEB5E0
oklch(80.8% 0.065 311)
-
Step 400
400
#B58ED0
oklch(70.7% 0.103 310.9)
-
Step 500
500
#A371C4
oklch(63.2% 0.131 310.8)
-
Step 600
600
#8E57B0
oklch(55.6% 0.144 311.1)
-
Step 700
700
#784797
oklch(49% 0.132 310.7)
-
Step 800
800
#623B7B
oklch(42.8% 0.11 310.7)
-
Step 900
900 (this color)
#533666
oklch(38.8% 0.086 310.8)
-
Step 950
950
#2F1E3A
oklch(27% 0.055 311.1)
#533666 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) | #2C4168 | 0.067 |
| Deuteranopia (no green cones) | #334365 | 0.062 |
| Tritanopia (no blue cones) | #513D49 | 0.059 |
| Achromatopsia (no color) | #424242 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #533666
#533666
oklch(38.8% 0.086 310.8)
- #344D17
#344D17
oklch(38.7% 0.085 130.6)
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 #533666, 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
- Grape Purple #5D1451 ΔE 0.077
- Purple Brown #673A3F ΔE 0.081
- Dark Grey Blue #29465B ΔE 0.083
- Blueberry #464196 ΔE 0.084
- Dusk #4E5481 ΔE 0.086
- Twilight #4E518B ΔE 0.086
- Charcoal Grey #3C4142 ΔE 0.089
Use #533666 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.