#533D8B
Closest named color: Dark Slate Blue (#483D8B). oklch(42.5% 0.125 293.4), rgb(83, 61, 139).
Aa
White text reads best on this color (8.72:1).
About this color
#533D8B is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.125 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.019 away. White text reads best on it, at 8.72:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.40:1 |
| White text | 8.72:1 |
Values
| HEX | #533D8B |
| RGB | rgb(83, 61, 139) |
| HSL | hsl(257, 39%, 39%) |
| OKLCH | oklch(42.5% 0.125 293.4) |
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 #533D8B | 8.72:1 | AAA | Lc -94.1 | Preferred for body text |
| Black text on #533D8B | 2.40:1 | Fails | Lc 14.3 | Not readable |
| #533D8B text on white | 8.72:1 | AAA | Lc 89.6 | Fine for body text |
| #533D8B 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#EAE8F7
oklch(93.7% 0.02 292.1)
-
Step 200
200
#DAD5F2
oklch(88.6% 0.04 293.5)
-
Step 300
300
#C2B8EC
oklch(80.8% 0.073 293.5)
-
Step 400
400
#A492E2
oklch(70.7% 0.116 293.5)
-
Step 500
500
#8F75DA
oklch(63.1% 0.149 293.5)
-
Step 600
600
#7A5BC8
oklch(55.6% 0.163 293.5)
-
Step 700
700
#674AAC
oklch(49% 0.15 293.8)
-
Step 800
800 (this color)
#533D8B
oklch(42.5% 0.125 293.4)
-
Step 900
900
#453570
oklch(37.7% 0.098 293.6)
-
Step 950
950
#282041
oklch(27% 0.06 293.1)
#533D8B 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) | #184C8E | 0.078 |
| Deuteranopia (no green cones) | #1E4A89 | 0.075 |
| Tritanopia (no blue cones) | #454D5E | 0.099 |
| Achromatopsia (no color) | #4B4B4B | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #533D8B
#533D8B
oklch(42.5% 0.125 293.4)
- #4F5300
#4F5300
oklch(42.4% 0.095 113)
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 #533D8B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.019
- Blueberry #464196 ΔE 0.029
- Rebecca Purple #663399 ΔE 0.046
- Twilight #4E518B ΔE 0.053
- Dusk #4E5481 ΔE 0.068
- Cobalt #1E488F ΔE 0.073
- Dusk Blue #26538D ΔE 0.078
- Denim Blue #3B5B92 ΔE 0.083
Use #533D8B 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.