#5B4AB4
Closest named color: Bluey Purple (#6241C7). oklch(48.5% 0.161 286.1), rgb(91, 74, 180).
Aa
White text reads best on this color (6.81:1).
About this color
#5B4AB4 is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.161 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.037 away. White text reads best on it, at 6.81:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.161) |
| Temperature | cool |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 3.08:1 |
| White text | 6.81:1 |
Values
| HEX | #5B4AB4 |
| RGB | rgb(91, 74, 180) |
| HSL | hsl(250, 42%, 50%) |
| OKLCH | oklch(48.5% 0.161 286.1) |
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 #5B4AB4 | 6.81:1 | AA | Lc -88.2 | Fine for body text |
| Black text on #5B4AB4 | 3.08:1 | AA large text | Lc 20.9 | Dividers and decoration only |
| #5B4AB4 text on white | 6.81:1 | AA | Lc 83.2 | Fine for body text |
| #5B4AB4 text on black | 3.08:1 | AA large text | Lc -18.8 | 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 700.
-
Step 50
50
#F5F5FC
oklch(97.2% 0.009 286.2)
-
Step 100
100
#E8E8F9
oklch(93.6% 0.023 286)
-
Step 200
200
#D6D6F5
oklch(88.6% 0.042 285.5)
-
Step 300
300
#BCBAF1
oklch(80.9% 0.077 286.2)
-
Step 400
400
#9A94EB
oklch(70.7% 0.126 285.9)
-
Step 500
500
#8377E4
oklch(63.1% 0.159 285.9)
-
Step 600
600
#6E5DD2
oklch(55.6% 0.173 285.9)
-
Step 700
700 (this color)
#5B4AB4
oklch(48.5% 0.161 286.1)
-
Step 800
800
#4B3F93
oklch(42.7% 0.133 285.8)
-
Step 900
900
#3E3675
oklch(37.6% 0.104 286)
-
Step 950
950
#242045
oklch(26.9% 0.067 285.9)
#5B4AB4 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) | #005EB8 | 0.086 |
| Deuteranopia (no green cones) | #0058B2 | 0.085 |
| Tritanopia (no blue cones) | #3C6278 | 0.134 |
| Achromatopsia (no color) | #5B5B5B | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B4AB4
#5B4AB4
oklch(48.5% 0.161 286.1)
- #676200
#676200
oklch(48.5% 0.104 106.2)
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 #5B4AB4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.037
- Iris #6258C4 ΔE 0.043
- Blue With A Hint Of Purple #533CC6 ΔE 0.045
- Blurple #5539CC ΔE 0.053
- Slate Blue #6A5ACD ΔE 0.059
- Blueberry #464196 ΔE 0.063
- Light Indigo #6D5ACF ΔE 0.064
- Rebecca Purple #663399 ΔE 0.066
Use #5B4AB4 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.