#5E4378
Closest named color: Twilight (#4E518B). oklch(43.6% 0.09 306.5), rgb(94, 67, 120).
Aa
White text reads best on this color (8.23:1).
About this color
#5E4378 is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.090 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.049 away. White text reads best on it, at 8.23:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.090) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.55:1 |
| White text | 8.23:1 |
Values
| HEX | #5E4378 |
| RGB | rgb(94, 67, 120) |
| HSL | hsl(271, 28%, 37%) |
| OKLCH | oklch(43.6% 0.09 306.5) |
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 #5E4378 | 8.23:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #5E4378 | 2.55:1 | Fails | Lc 15.7 | Dividers and decoration only |
| #5E4378 text on white | 8.23:1 | AAA | Lc 88.3 | Fine for body text |
| #5E4378 text on black | 2.55:1 | Fails | Lc -13.8 | 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
#F6F4F9
oklch(97% 0.007 304.2)
-
Step 100
100
#ECE7F2
oklch(93.5% 0.016 306.4)
-
Step 200
200
#DED4E9
oklch(88.4% 0.03 307.1)
-
Step 300
300
#C9B8DC
oklch(80.8% 0.053 306.5)
-
Step 400
400
#AE93CA
oklch(70.7% 0.084 306.7)
-
Step 500
500
#9A78BD
oklch(63.2% 0.107 306.2)
-
Step 600
600
#855FA9
oklch(55.6% 0.118 306.6)
-
Step 700
700
#704F91
oklch(49.2% 0.108 305.9)
-
Step 800
800 (this color)
#5E4378
oklch(43.6% 0.09 306.5)
-
Step 900
900
#4B375F
oklch(37.7% 0.071 306.3)
-
Step 950
950
#2C2037
oklch(26.9% 0.045 307.6)
#5E4378 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) | #374E7A | 0.065 |
| Deuteranopia (no green cones) | #3D4F77 | 0.060 |
| Tritanopia (no blue cones) | #5A4B57 | 0.066 |
| Achromatopsia (no color) | #4F4F4F | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5E4378
#5E4378
oklch(43.6% 0.09 306.5)
- #445A1D
#445A1D
oklch(43.5% 0.09 126.7)
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 #5E4378, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.049
- Dusk #4E5481 ΔE 0.051
- Dark Slate Blue #483D8B ΔE 0.056
- Dusty Grape #545775 ΔE 0.060
- Blueberry #464196 ΔE 0.066
- Rebecca Purple #663399 ΔE 0.071
- YInMn Blue #415A77 ΔE 0.077
- Denim Blue #3B5B92 ΔE 0.082
Use #5E4378 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.