#533F8B
Closest named color: Dark Slate Blue (#483D8B). oklch(42.8% 0.121 292.7), rgb(83, 63, 139).
Aa
White text reads best on this color (8.56:1).
About this color
#533F8B is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.121 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 0.020 away. White text reads best on it, at 8.56:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.121) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.45:1 |
| White text | 8.56:1 |
Values
| HEX | #533F8B |
| RGB | rgb(83, 63, 139) |
| HSL | hsl(256, 38%, 40%) |
| OKLCH | oklch(42.8% 0.121 292.7) |
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 #533F8B | 8.56:1 | AAA | Lc -93.8 | Preferred for body text |
| Black text on #533F8B | 2.45:1 | Fails | Lc 14.8 | Not readable |
| #533F8B text on white | 8.56:1 | AAA | Lc 89.2 | Fine for body text |
| #533F8B text on black | 2.45:1 | Fails | Lc -13.0 | 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
#F5F4FB
oklch(97% 0.009 292.8)
-
Step 100
100
#EAE8F7
oklch(93.7% 0.02 292.1)
-
Step 200
200
#D9D5F2
oklch(88.5% 0.04 291.9)
-
Step 300
300
#C1B9EB
oklch(80.9% 0.07 292.1)
-
Step 400
400
#A393E1
oklch(70.7% 0.113 292.7)
-
Step 500
500
#8D76D9
oklch(63.1% 0.146 292.4)
-
Step 600
600
#785DC6
oklch(55.6% 0.157 292.4)
-
Step 700
700
#654CAB
oklch(49.1% 0.146 292.3)
-
Step 800
800 (this color)
#533F8B
oklch(42.8% 0.121 292.7)
-
Step 900
900
#44366F
oklch(37.7% 0.095 292.6)
-
Step 950
950
#282041
oklch(27% 0.06 293.1)
#533F8B 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) | #1D4D8E | 0.074 |
| Deuteranopia (no green cones) | #224B89 | 0.070 |
| Tritanopia (no blue cones) | #444F5F | 0.098 |
| Achromatopsia (no color) | #4C4C4C | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #533F8B
#533F8B
oklch(42.8% 0.121 292.7)
- #505400
#505400
oklch(42.8% 0.095 112.9)
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 #533F8B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.020
- Blueberry #464196 ΔE 0.028
- Rebecca Purple #663399 ΔE 0.048
- Twilight #4E518B ΔE 0.048
- Dusk #4E5481 ΔE 0.063
- Cobalt #1E488F ΔE 0.071
- Dusk Blue #26538D ΔE 0.075
- Denim Blue #3B5B92 ΔE 0.079
Use #533F8B 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.