#5B4BBB
Closest named color: Bluey Purple (#6241C7). oklch(49.2% 0.169 284.8), rgb(91, 75, 187).
Aa
White text reads best on this color (6.62:1).
About this color
#5B4BBB is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.169 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.030 away. White text reads best on it, at 6.62:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.169) |
| Temperature | cool |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 3.16:1 |
| White text | 6.62:1 |
Values
| HEX | #5B4BBB |
| RGB | rgb(91, 75, 187) |
| HSL | hsl(249, 45%, 51%) |
| OKLCH | oklch(49.2% 0.169 284.8) |
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 #5B4BBB | 6.62:1 | AA | Lc -87.4 | Fine for body text |
| Black text on #5B4BBB | 3.16:1 | AA large text | Lc 21.7 | Dividers and decoration only |
| #5B4BBB text on white | 6.62:1 | AA | Lc 82.4 | Fine for body text |
| #5B4BBB text on black | 3.16:1 | AA large text | Lc -19.5 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E8E8FA
oklch(93.6% 0.024 285.9)
-
Step 200
200
#D5D6F7
oklch(88.6% 0.045 284.1)
-
Step 300
300
#BABAF4
oklch(80.9% 0.081 284.4)
-
Step 400
400
#9894EF
oklch(70.7% 0.131 284.5)
-
Step 500
500
#8176E9
oklch(63% 0.168 284.9)
-
Step 600
600
#6C5CD7
oklch(55.6% 0.181 284.7)
-
Step 700
700 (this color)
#5B4BBB
oklch(49.2% 0.169 284.8)
-
Step 800
800
#4A3E97
oklch(42.7% 0.14 284.9)
-
Step 900
900
#3D3678
oklch(37.7% 0.109 284.7)
-
Step 950
950
#242046
oklch(27% 0.069 285.6)
#5B4BBB 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) | #0060BF | 0.085 |
| Deuteranopia (no green cones) | #0059B9 | 0.083 |
| Tritanopia (no blue cones) | #36657C | 0.141 |
| Achromatopsia (no color) | #5D5D5D | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B4BBB
#5B4BBB
oklch(49.2% 0.169 284.8)
- #6A6300
#6A6300
oklch(49.1% 0.104 104.8)
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 #5B4BBB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.030
- Iris #6258C4 ΔE 0.036
- Blue With A Hint Of Purple #533CC6 ΔE 0.040
- Blurple #5539CC ΔE 0.047
- Slate Blue #6A5ACD ΔE 0.052
- Light Indigo #6D5ACF ΔE 0.056
- Warm Blue #4B57DB ΔE 0.059
- Dark Periwinkle #665FD1 ΔE 0.061
Use #5B4BBB 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.