#B591EF
Closest named color: Liliac (#C48EFD). oklch(72.6% 0.137 300.7), rgb(181, 145, 239).
Aa
Black text reads best on this color (8.26:1).
About this color
#B591EF is a medium-light, moderately saturated purple. In OKLCH its lightness is 73%, its chroma 0.137 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Liliac (#C48EFD), ΔE 0.033 away. Black text reads best on it, at 8.26:1.
| Hue family | Purples |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.137) |
| Temperature | in between |
| Nearest name | Liliac (#C48EFD) |
| Black text | 8.26:1 |
| White text | 2.54:1 |
Values
| HEX | #B591EF |
| RGB | rgb(181, 145, 239) |
| HSL | hsl(263, 75%, 75%) |
| OKLCH | oklch(72.6% 0.137 300.7) |
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 #B591EF | 2.54:1 | Fails | Lc -54.8 | Large or bold text, headings |
| Black text on #B591EF | 8.26:1 | AAA | Lc 54.3 | Large or bold text, headings |
| #B591EF text on white | 2.54:1 | Fails | Lc 49.7 | Large or bold text, headings |
| #B591EF text on black | 8.26:1 | AAA | Lc -52.3 | Large or bold text, headings |
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 400.
-
Step 50
50
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#ECE6F8
oklch(93.5% 0.025 301.1)
-
Step 200
200
#DED3F4
oklch(88.6% 0.046 300.7)
-
Step 300
300
#C9B4F0
oklch(80.8% 0.086 300.5)
-
Step 400
400 (this color)
#B591EF
oklch(72.6% 0.137 300.7)
-
Step 500
500
#9C6BE1
oklch(63.1% 0.175 300.7)
-
Step 600
600
#884FCF
oklch(55.6% 0.19 300.9)
-
Step 700
700
#733FB3
oklch(49.1% 0.176 300.6)
-
Step 800
800
#5E3591
oklch(42.8% 0.146 300.9)
-
Step 900
900
#4C2F74
oklch(37.6% 0.115 300.4)
-
Step 950
950
#2D1C44
oklch(27% 0.073 301.3)
#B591EF 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) | #79A2F3 | 0.086 |
| Deuteranopia (no green cones) | #80A2ED | 0.081 |
| Tritanopia (no blue cones) | #AAA1B5 | 0.107 |
| Achromatopsia (no color) | #A2A2A2 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B591EF
#B591EF
oklch(72.6% 0.137 300.7)
- #9BB347
#9BB347
oklch(72.6% 0.137 120.5)
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 #B591EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Liliac #C48EFD ΔE 0.033
- Pale Purple #B790D4 ΔE 0.040
- Baby Purple #CA9BF7 ΔE 0.043
- Pastel Purple #CAA0FF ΔE 0.053
- Periwinkle Blue #8F99FB ΔE 0.057
- Perrywinkle #8F8CE7 ΔE 0.060
- Lilac #CEA2FD ΔE 0.061
- Light Purple #BF77F6 ΔE 0.064
Use #B591EF 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.