#534C78
Closest named color: Dusk (#4E5481). oklch(44.3% 0.072 290.5), rgb(83, 76, 120).
Aa
White text reads best on this color (7.85:1).
About this color
#534C78 is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.072 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.025 away. White text reads best on it, at 7.85:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.072) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.67:1 |
| White text | 7.85:1 |
Values
| HEX | #534C78 |
| RGB | rgb(83, 76, 120) |
| HSL | hsl(250, 22%, 38%) |
| OKLCH | oklch(44.3% 0.072 290.5) |
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 #534C78 | 7.85:1 | AAA | Lc -91.9 | Preferred for body text |
| Black text on #534C78 | 2.67:1 | Fails | Lc 16.8 | Dividers and decoration only |
| #534C78 text on white | 7.85:1 | AAA | Lc 87.2 | Fine for body text |
| #534C78 text on black | 2.67:1 | Fails | Lc -14.9 | 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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E9E9F2
oklch(93.7% 0.012 286.2)
-
Step 200
200
#D8D7E8
oklch(88.5% 0.023 288.6)
-
Step 300
300
#C0BDDA
oklch(81% 0.041 290.2)
-
Step 400
400
#A09AC8
oklch(70.8% 0.067 290.6)
-
Step 500
500
#8980BA
oklch(63% 0.087 290.8)
-
Step 600
600
#7369A6
oklch(55.6% 0.094 290.5)
-
Step 700
700
#61578E
oklch(49% 0.087 291.2)
-
Step 800
800 (this color)
#534C78
oklch(44.3% 0.072 290.5)
-
Step 900
900
#413C5D
oklch(37.6% 0.056 290.4)
-
Step 950
950
#262337
oklch(26.9% 0.037 290.6)
#534C78 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) | #40527A | 0.031 |
| Deuteranopia (no green cones) | #405177 | 0.031 |
| Tritanopia (no blue cones) | #4B545C | 0.061 |
| Achromatopsia (no color) | #525252 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #534C78
#534C78
oklch(44.3% 0.072 290.5)
- #555724
#555724
oklch(44.3% 0.072 111.1)
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 #534C78, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.025
- Twilight #4E518B ΔE 0.032
- Dusty Grape #545775 ΔE 0.035
- YInMn Blue #415A77 ΔE 0.047
- Denim Blue #3B5B92 ΔE 0.059
- Light Navy Blue #2E5A88 ΔE 0.059
- Dark Slate Blue #483D8B ΔE 0.061
- Dusky Blue #475F94 ΔE 0.063
Use #534C78 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.