#5B4B95
Closest named color: Twilight (#4E518B). oklch(46.5% 0.117 291.1), rgb(91, 75, 149).
Aa
White text reads best on this color (7.27:1).
About this color
#5B4B95 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 47%, its chroma 0.117 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.032 away. White text reads best on it, at 7.27:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.117) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.88:1 |
| White text | 7.27:1 |
Values
| HEX | #5B4B95 |
| RGB | rgb(91, 75, 149) |
| HSL | hsl(253, 33%, 44%) |
| OKLCH | oklch(46.5% 0.117 291.1) |
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 #5B4B95 | 7.27:1 | AAA | Lc -90.0 | Fine for body text |
| Black text on #5B4B95 | 2.88:1 | Fails | Lc 18.9 | Dividers and decoration only |
| #5B4B95 text on white | 7.27:1 | AAA | Lc 85.1 | Fine for body text |
| #5B4B95 text on black | 2.88:1 | Fails | Lc -16.9 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E8F4
oklch(93.5% 0.016 289.9)
-
Step 200
200
#D9D6ED
oklch(88.5% 0.031 291.7)
-
Step 300
300
#C0BBE3
oklch(80.9% 0.056 290.8)
-
Step 400
400
#A197D5
oklch(70.8% 0.09 291.3)
-
Step 500
500
#8A7CCA
oklch(63.1% 0.116 290.9)
-
Step 600
600
#7564B6
oklch(55.6% 0.125 291.3)
-
Step 700
700 (this color)
#5B4B95
oklch(46.5% 0.117 291.1)
-
Step 800
800
#50447F
oklch(42.7% 0.096 291.1)
-
Step 900
900
#423A66
oklch(37.8% 0.074 290.8)
-
Step 950
950
#27223C
oklch(27.1% 0.048 291.7)
#5B4B95 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) | #2F5898 | 0.064 |
| Deuteranopia (no green cones) | #315593 | 0.061 |
| Tritanopia (no blue cones) | #4C5A69 | 0.096 |
| Achromatopsia (no color) | #575757 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B4B95
#5B4B95
oklch(46.5% 0.117 291.1)
- #5C5E00
#5C5E00
oklch(46.5% 0.102 111.2)
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 #5B4B95, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.032
- Blueberry #464196 ΔE 0.046
- Dusk #4E5481 ΔE 0.049
- Dark Slate Blue #483D8B ΔE 0.053
- Rebecca Purple #663399 ΔE 0.058
- Dusky Blue #475F94 ΔE 0.060
- Denim Blue #3B5B92 ΔE 0.060
- Dusty Grape #545775 ΔE 0.070
Use #5B4B95 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.