#5B4BB6
Closest named color: Bluey Purple (#6241C7). oklch(48.8% 0.163 285.5), rgb(91, 75, 182).
Aa
White text reads best on this color (6.71:1).
About this color
#5B4BB6 is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.163 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.035 away. White text reads best on it, at 6.71:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.163) |
| Temperature | cool |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 3.12:1 |
| White text | 6.71:1 |
Values
| HEX | #5B4BB6 |
| RGB | rgb(91, 75, 182) |
| HSL | hsl(249, 42%, 50%) |
| OKLCH | oklch(48.8% 0.163 285.5) |
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 #5B4BB6 | 6.71:1 | AA | Lc -87.8 | Fine for body text |
| Black text on #5B4BB6 | 3.12:1 | AA large text | Lc 21.3 | Dividers and decoration only |
| #5B4BB6 text on white | 6.71:1 | AA | Lc 82.8 | Fine for body text |
| #5B4BB6 text on black | 3.12:1 | AA large text | Lc -19.1 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E8E8F9
oklch(93.6% 0.023 286)
-
Step 200
200
#D6D6F6
oklch(88.6% 0.044 285.5)
-
Step 300
300
#BBBAF2
oklch(80.9% 0.079 285.3)
-
Step 400
400
#9A94EB
oklch(70.7% 0.126 285.9)
-
Step 500
500
#8277E5
oklch(63% 0.161 285.4)
-
Step 600
600
#6D5DD3
oklch(55.5% 0.175 285.4)
-
Step 700
700 (this color)
#5B4BB6
oklch(48.8% 0.163 285.5)
-
Step 800
800
#4B3F94
oklch(42.7% 0.134 285.7)
-
Step 900
900
#3E3676
oklch(37.6% 0.106 285.8)
-
Step 950
950
#242045
oklch(26.9% 0.067 285.9)
#5B4BB6 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) | #005FBA | 0.086 |
| Deuteranopia (no green cones) | #0059B4 | 0.084 |
| Tritanopia (no blue cones) | #3A6479 | 0.137 |
| Achromatopsia (no color) | #5C5C5C | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B4BB6
#5B4BB6
oklch(48.8% 0.163 285.5)
- #696300
#696300
oklch(49% 0.104 105.5)
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 #5B4BB6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.035
- Iris #6258C4 ΔE 0.039
- Blue With A Hint Of Purple #533CC6 ΔE 0.044
- Blurple #5539CC ΔE 0.053
- Slate Blue #6A5ACD ΔE 0.056
- Light Indigo #6D5ACF ΔE 0.060
- Dark Periwinkle #665FD1 ΔE 0.065
- Warm Blue #4B57DB ΔE 0.065
Use #5B4BB6 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.