#5B439E
Closest named color: Blueberry (#464196). oklch(45.7% 0.142 292), rgb(91, 67, 158).
Aa
White text reads best on this color (7.66:1).
About this color
#5B439E is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.142 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.038 away. White text reads best on it, at 7.66:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Blueberry (#464196) |
| Black text | 2.74:1 |
| White text | 7.66:1 |
Values
| HEX | #5B439E |
| RGB | rgb(91, 67, 158) |
| HSL | hsl(256, 40%, 44%) |
| OKLCH | oklch(45.7% 0.142 292) |
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 #5B439E | 7.66:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #5B439E | 2.74:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #5B439E text on white | 7.66:1 | AAA | Lc 86.3 | Fine for body text |
| #5B439E text on black | 2.74:1 | Fails | Lc -15.8 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#EAE7F9
oklch(93.6% 0.024 293.6)
-
Step 200
200
#D9D4F6
oklch(88.5% 0.047 292.2)
-
Step 300
300
#C1B7F2
oklch(80.8% 0.083 292.2)
-
Step 400
400
#A390EC
oklch(70.7% 0.133 292.1)
-
Step 500
500
#8E71E6
oklch(63.1% 0.17 292.2)
-
Step 600
600
#7957D4
oklch(55.7% 0.184 291.9)
-
Step 700
700
#6646B7
oklch(49.1% 0.17 292)
-
Step 800
800 (this color)
#5B439E
oklch(45.7% 0.142 292)
-
Step 900
900
#443376
oklch(37.6% 0.11 291.9)
-
Step 950
950
#281F45
oklch(27.1% 0.069 292.1)
#5B439E 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) | #0F55A1 | 0.089 |
| Deuteranopia (no green cones) | #17519C | 0.085 |
| Tritanopia (no blue cones) | #49576A | 0.115 |
| Achromatopsia (no color) | #535353 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B439E
#5B439E
oklch(45.7% 0.142 292)
- #595C00
#595C00
oklch(45.7% 0.101 112)
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 #5B439E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.038
- Rebecca Purple #663399 ΔE 0.039
- Dark Slate Blue #483D8B ΔE 0.048
- Twilight #4E518B ΔE 0.054
- Bluey Purple #6241C7 ΔE 0.066
- Blue With A Hint Of Purple #533CC6 ΔE 0.068
- Dusk #4E5481 ΔE 0.073
- Iris #6258C4 ΔE 0.077
Use #5B439E 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.