#533E78
Closest named color: Dark Slate Blue (#483D8B). oklch(41.4% 0.096 298.9), rgb(83, 62, 120).
Aa
White text reads best on this color (9.02:1).
About this color
#533E78 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.096 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.038 away. White text reads best on it, at 9.02:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.096) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.32:1 |
| White text | 9.02:1 |
Values
| HEX | #533E78 |
| RGB | rgb(83, 62, 120) |
| HSL | hsl(262, 32%, 36%) |
| OKLCH | oklch(41.4% 0.096 298.9) |
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 #533E78 | 9.02:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #533E78 | 2.32:1 | Fails | Lc 13.4 | Not readable |
| #533E78 text on white | 9.02:1 | AAA | Lc 90.6 | Preferred for body text |
| #533E78 text on black | 2.32:1 | Fails | Lc -11.7 | 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#EBE8F4
oklch(93.7% 0.016 297.5)
-
Step 200
200
#DBD5EB
oklch(88.4% 0.031 298.2)
-
Step 300
300
#C5B9E1
oklch(80.9% 0.057 298.8)
-
Step 400
400
#A894D1
oklch(70.6% 0.09 299.1)
-
Step 500
500
#9379C5
oklch(63.1% 0.114 298.8)
-
Step 600
600
#7E61B2
oklch(55.7% 0.125 298.8)
-
Step 700
700
#6A5099
oklch(49.2% 0.116 298.5)
-
Step 800
800 (this color)
#533E78
oklch(41.4% 0.096 298.9)
-
Step 900
900
#473864
oklch(37.7% 0.075 298.5)
-
Step 950
950
#2A213A
oklch(27% 0.047 299.9)
#533E78 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) | #2C497A | 0.062 |
| Deuteranopia (no green cones) | #314877 | 0.057 |
| Tritanopia (no blue cones) | #4C4955 | 0.076 |
| Achromatopsia (no color) | #494949 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #533E78
#533E78
oklch(41.4% 0.096 298.9)
- #465202
#465202
oklch(41.4% 0.096 119)
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 #533E78, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.038
- Blueberry #464196 ΔE 0.054
- Twilight #4E518B ΔE 0.055
- Dusk #4E5481 ΔE 0.060
- Rebecca Purple #663399 ΔE 0.070
- Dusty Grape #545775 ΔE 0.074
- Cobalt #1E488F ΔE 0.079
- Dusk Blue #26538D ΔE 0.080
Use #533E78 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.