#B557EB#B557EB

#B557EB is a light, highly saturated violet. Relative luminance 0.226; OKLCH L 63.6% C 0.221 H 310.9°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#B557EB
RGB	rgb(181, 87, 235)
HSL	hsl(278, 79%, 63%)
HSV	hsv(278, 63%, 92%)
CMYK	cmyk(23%, 63%, 0%, 7.8%)
CIE-LAB	lab(54.70, 61.84, -59.31)
CIE-LCH	lch(54.70, 85.69, 316.20°)
OKLab	oklab(63.63% 0.1448 -0.1672)
OKLCH	oklch(63.63% 0.221 310.9)
XYZ	xyz(37.4568, 22.6391, 80.9778)
Luminance	0.2264 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B557EB #8DEB57

analogous

#6B57EB #B557EB #EB57D7

triadic

#B557EB #EBB557 #57EBB5

tetradic

#B557EB #EB6B57 #8DEB57 #57D7EB

square

#B557EB #EB6B57 #8DEB57 #57D7EB

split-complementary

#B557EB #D7EB57 #57EB6B

monochromatic

#7915B2 #9D20E4 #B557EB #CD8EF2 #E5C4F8

Accessibility & contrast

On white

3.80

#B557EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#B557EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B557EB

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B557EB	#FFFFFF	#000000	##000000
##B557EB	1.00	3.80	5.53	5.53
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.53	21.00	1.00	1.00
##000000	5.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#027EF0

Deuteranopia (green-blind)

#4785E8

Tritanopia (blue-blind)

#AE7499

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #b557eb;
/* rgb */ color: rgb(181, 87, 235);
/* oklch */ color: oklch(63.6% 0.221 310.9);

Tailwind

colors: {
  custom: {
    50: '#cf8cf2',
    500: '#b557eb',
    950: '#000000',
  },
}

SCSS

$custom: #b557eb;
$custom-light: #cf8cf2;
$custom-dark: #000000;

JSON

{
  "hex": "#b557eb",
  "rgb": {
    "r": 181,
    "g": 87,
    "b": 235
  },
  "hsl": {
    "h": 278.108,
    "s": 78.723,
    "l": 63.137
  },
  "oklch": {
    "l": 0.63626,
    "c": 0.22116,
    "h": 310.9
  },
  "luminance": 0.22638
}

Semantic roles & 50–950 ramp

primary

#B557EB

secondary

#C8E9B4

accent

#DB0A57

background

#FDF8FE

surface

#FAF0FD

border

#D3CBD5

text

#140C17

muted

#837D85

Preview Lab

Preview with #B557EB

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →