#5B4398
Closest named color: Blueberry (#464196). oklch(45.3% 0.134 293.3), rgb(91, 67, 152).
Aa
White text reads best on this color (7.77:1).
About this color
#5B4398 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.134 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.036 away. White text reads best on it, at 7.77:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.134) |
| Temperature | in between |
| Nearest name | Blueberry (#464196) |
| Black text | 2.70:1 |
| White text | 7.77:1 |
Values
| HEX | #5B4398 |
| RGB | rgb(91, 67, 152) |
| HSL | hsl(257, 39%, 43%) |
| OKLCH | oklch(45.3% 0.134 293.3) |
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 #5B4398 | 7.77:1 | AAA | Lc -91.5 | Preferred for body text |
| Black text on #5B4398 | 2.70:1 | Fails | Lc 17.3 | Dividers and decoration only |
| #5B4398 text on white | 7.77:1 | AAA | Lc 86.7 | Fine for body text |
| #5B4398 text on black | 2.70:1 | Fails | Lc -15.4 | 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 800.
-
Step 50
50
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#EAE7F8
oklch(93.5% 0.023 294.1)
-
Step 200
200
#DAD4F4
oklch(88.5% 0.044 294.1)
-
Step 300
300
#C2B8EF
oklch(81% 0.077 292.9)
-
Step 400
400
#A491E7
oklch(70.7% 0.124 293.1)
-
Step 500
500
#8F73E0
oklch(63.1% 0.16 293.1)
-
Step 600
600
#7A58CD
oklch(55.5% 0.174 293.3)
-
Step 700
700
#6748B2
oklch(49.1% 0.161 293)
-
Step 800
800 (this color)
#5B4398
oklch(45.3% 0.134 293.3)
-
Step 900
900
#453473
oklch(37.7% 0.104 293.2)
-
Step 950
950
#281F43
oklch(27% 0.065 293)
#5B4398 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) | #1B539B | 0.084 |
| Deuteranopia (no green cones) | #215196 | 0.080 |
| Tritanopia (no blue cones) | #4B5567 | 0.107 |
| Achromatopsia (no color) | #525252 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B4398
#5B4398
oklch(45.3% 0.134 293.3)
- #565B00
#565B00
oklch(45.1% 0.101 113.4)
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 #5B4398, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.036
- Rebecca Purple #663399 ΔE 0.039
- Dark Slate Blue #483D8B ΔE 0.043
- Twilight #4E518B ΔE 0.048
- Dusk #4E5481 ΔE 0.067
- Bluey Purple #6241C7 ΔE 0.076
- Denim Blue #3B5B92 ΔE 0.077
- Blue With A Hint Of Purple #533CC6 ΔE 0.077
Use #5B4398 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.