#533E87
Closest named color: Dark Slate Blue (#483D8B). oklch(42.4% 0.117 294.1), rgb(83, 62, 135).
Aa
White text reads best on this color (8.72:1).
About this color
#533E87 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.117 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.021 away. White text reads best on it, at 8.72:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.117) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.40:1 |
| White text | 8.72:1 |
Values
| HEX | #533E87 |
| RGB | rgb(83, 62, 135) |
| HSL | hsl(257, 37%, 39%) |
| OKLCH | oklch(42.4% 0.117 294.1) |
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 #533E87 | 8.72:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #533E87 | 2.40:1 | Fails | Lc 14.3 | Not readable |
| #533E87 text on white | 8.72:1 | AAA | Lc 89.7 | Fine for body text |
| #533E87 text on black | 2.40:1 | Fails | Lc -12.6 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EAE8F6
oklch(93.7% 0.019 292.6)
-
Step 200
200
#DAD5F1
oklch(88.6% 0.038 293.8)
-
Step 300
300
#C2B9E9
oklch(80.9% 0.068 293.4)
-
Step 400
400
#A493DE
oklch(70.7% 0.109 293.8)
-
Step 500
500
#8F76D5
oklch(63% 0.14 294.1)
-
Step 600
600
#7A5DC2
oklch(55.6% 0.152 294.1)
-
Step 700
700
#674CA8
oklch(49.1% 0.142 294.1)
-
Step 800
800 (this color)
#533E87
oklch(42.4% 0.117 294.1)
-
Step 900
900
#45366D
oklch(37.7% 0.092 294.1)
-
Step 950
950
#282040
oklch(27% 0.059 293.6)
#533E87 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) | #204C8A | 0.073 |
| Deuteranopia (no green cones) | #244A85 | 0.069 |
| Tritanopia (no blue cones) | #464D5C | 0.095 |
| Achromatopsia (no color) | #4B4B4B | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #533E87
#533E87
oklch(42.4% 0.117 294.1)
- #4E5300
#4E5300
oklch(42.3% 0.095 113.7)
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 #533E87, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.021
- Blueberry #464196 ΔE 0.033
- Twilight #4E518B ΔE 0.050
- Rebecca Purple #663399 ΔE 0.051
- Dusk #4E5481 ΔE 0.063
- Cobalt #1E488F ΔE 0.072
- Dusk Blue #26538D ΔE 0.076
- Denim Blue #3B5B92 ΔE 0.081
Use #533E87 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.