#5B4E8B
Closest named color: Twilight (#4E518B). oklch(46.5% 0.097 292), rgb(91, 78, 139).
Aa
White text reads best on this color (7.22:1).
About this color
#5B4E8B is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.097 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.021 away. White text reads best on it, at 7.22:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.097) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.90:1 |
| White text | 7.22:1 |
Values
| HEX | #5B4E8B |
| RGB | rgb(91, 78, 139) |
| HSL | hsl(253, 28%, 43%) |
| OKLCH | oklch(46.5% 0.097 292) |
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 #5B4E8B | 7.22:1 | AAA | Lc -89.9 | Fine for body text |
| Black text on #5B4E8B | 2.90:1 | Fails | Lc 19.0 | Dividers and decoration only |
| #5B4E8B text on white | 7.22:1 | AAA | Lc 85.0 | Fine for body text |
| #5B4E8B text on black | 2.90:1 | Fails | Lc -17.0 | Dividers and decoration only |
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 700.
-
Step 50
50
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#EAE8F2
oklch(93.5% 0.014 295.3)
-
Step 200
200
#D9D6E9
oklch(88.4% 0.026 293.1)
-
Step 300
300
#C1BCDD
oklch(81% 0.046 292.3)
-
Step 400
400
#A198CC
oklch(70.6% 0.076 292.3)
-
Step 500
500
#8B7EBF
oklch(63% 0.097 292.6)
-
Step 600
600
#7567AB
oklch(55.6% 0.104 292.1)
-
Step 700
700 (this color)
#5B4E8B
oklch(46.5% 0.097 292)
-
Step 800
800
#504677
oklch(42.7% 0.08 292)
-
Step 900
900
#423B60
oklch(37.6% 0.063 291.8)
-
Step 950
950
#272338
oklch(27.1% 0.039 292.3)
#5B4E8B 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) | #3B588D | 0.050 |
| Deuteranopia (no green cones) | #3C568A | 0.048 |
| Tritanopia (no blue cones) | #505966 | 0.079 |
| Achromatopsia (no color) | #575757 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B4E8B
#5B4E8B
oklch(46.5% 0.097 292)
- #5B5E0D
#5B5E0D
oklch(46.4% 0.097 111.9)
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 #5B4E8B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.021
- Dusk #4E5481 ΔE 0.032
- Dusty Grape #545775 ΔE 0.051
- Dusky Blue #475F94 ΔE 0.052
- Denim Blue #3B5B92 ΔE 0.053
- Blueberry #464196 ΔE 0.056
- Dark Slate Blue #483D8B ΔE 0.059
- YInMn Blue #415A77 ΔE 0.065
Use #5B4E8B 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.