#533388
Closest named color: Dark Slate Blue (#483D8B). oklch(40.6% 0.136 297.3), rgb(83, 51, 136).
Aa
White text reads best on this color (9.55:1).
About this color
#533388 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.136 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.029 away. White text reads best on it, at 9.55:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.136) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.19:1 |
| White text | 9.55:1 |
Values
| HEX | #533388 |
| RGB | rgb(83, 51, 136) |
| HSL | hsl(263, 45%, 37%) |
| OKLCH | oklch(40.6% 0.136 297.3) |
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 #533388 | 9.55:1 | AAA | Lc -96.0 | Preferred for body text |
| Black text on #533388 | 2.19:1 | Fails | Lc 12.2 | Not readable |
| #533388 text on white | 9.55:1 | AAA | Lc 91.7 | Preferred for body text |
| #533388 text on black | 2.19:1 | Fails | Lc -10.6 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EBE7F8
oklch(93.6% 0.023 296.7)
-
Step 200
200
#DCD4F3
oklch(88.6% 0.043 297.3)
-
Step 300
300
#C6B6EE
oklch(80.9% 0.08 297.7)
-
Step 400
400
#AA8FE6
oklch(70.8% 0.127 297.3)
-
Step 500
500
#9670DE
oklch(63.1% 0.162 297.5)
-
Step 600
600
#8155CC
oklch(55.6% 0.177 297.4)
-
Step 700
700
#6D45B0
oklch(49.1% 0.163 297.2)
-
Step 800
800 (this color)
#533388
oklch(40.6% 0.136 297.3)
-
Step 900
900
#493272
oklch(37.7% 0.107 297.6)
-
Step 950
950
#2A1E43
oklch(27% 0.067 296.6)
#533388 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) | #00458B | 0.097 |
| Deuteranopia (no green cones) | #0D4486 | 0.093 |
| Tritanopia (no blue cones) | #464558 | 0.105 |
| Achromatopsia (no color) | #454545 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #533388
#533388
oklch(40.6% 0.136 297.3)
- #464F00
#464F00
oklch(40.5% 0.093 117)
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 #533388, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.029
- Blueberry #464196 ΔE 0.043
- Rebecca Purple #663399 ΔE 0.045
- Twilight #4E518B ΔE 0.077
- Chrysanthemum #560BAD ΔE 0.080
- Indigo #4B0082 ΔE 0.080
- Imperial Purple #480CA8 ΔE 0.081
- Cobalt #1E488F ΔE 0.084
Use #533388 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.