#5B4B98
Closest named color: Twilight (#4E518B). oklch(46.7% 0.121 290.5), rgb(91, 75, 152).
Aa
White text reads best on this color (7.22:1).
About this color
#5B4B98 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 47%, its chroma 0.121 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.035 away. White text reads best on it, at 7.22:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.121) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.90:1 |
| White text | 7.22:1 |
Values
| HEX | #5B4B98 |
| RGB | rgb(91, 75, 152) |
| HSL | hsl(252, 34%, 45%) |
| OKLCH | oklch(46.7% 0.121 290.5) |
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 #5B4B98 | 7.22:1 | AAA | Lc -89.8 | Fine for body text |
| Black text on #5B4B98 | 2.90:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #5B4B98 text on white | 7.22:1 | AAA | Lc 84.9 | Fine for body text |
| #5B4B98 text on black | 2.90:1 | Fails | Lc -17.1 | 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
#E9E8F5
oklch(93.6% 0.017 289.6)
-
Step 200
200
#D8D6EE
oklch(88.5% 0.033 289.5)
-
Step 300
300
#C0BBE4
oklch(81% 0.058 290.6)
-
Step 400
400
#A096D7
oklch(70.6% 0.094 290.8)
-
Step 500
500
#897BCC
oklch(62.9% 0.12 290.5)
-
Step 600
600
#7463B9
oklch(55.5% 0.13 290.6)
-
Step 700
700 (this color)
#5B4B98
oklch(46.7% 0.121 290.5)
-
Step 800
800
#4F4381
oklch(42.6% 0.1 290.4)
-
Step 900
900
#423968
oklch(37.7% 0.079 290.9)
-
Step 950
950
#26223D
oklch(27% 0.049 289.5)
#5B4B98 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) | #2C589B | 0.066 |
| Deuteranopia (no green cones) | #2E5596 | 0.063 |
| Tritanopia (no blue cones) | #4B5B6A | 0.101 |
| Achromatopsia (no color) | #575757 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B4B98
#5B4B98
oklch(46.7% 0.121 290.5)
- #5D5E00
#5D5E00
oklch(46.6% 0.102 110.5)
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 #5B4B98, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.035
- Blueberry #464196 ΔE 0.046
- Dusk #4E5481 ΔE 0.053
- Dark Slate Blue #483D8B ΔE 0.054
- Rebecca Purple #663399 ΔE 0.057
- Dusky Blue #475F94 ΔE 0.061
- Denim Blue #3B5B92 ΔE 0.061
- Dusty Grape #545775 ΔE 0.074
Use #5B4B98 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.