#5B57E7#5B57E7

#5B57E7 is a mid, highly saturated blue. Relative luminance 0.148; OKLCH L 54.7% C 0.211 H 278.0°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#5B57E7
RGB	rgb(91, 87, 231)
HSL	hsl(242, 75%, 62%)
HSV	hsv(242, 62%, 91%)
CMYK	cmyk(60.6%, 62.3%, 0%, 9.4%)
CIE-LAB	lab(45.37, 43.12, -72.59)
CIE-LCH	lch(45.37, 84.43, 300.71°)
OKLab	oklab(54.68% 0.0295 -0.209)
OKLCH	oklch(54.68% 0.211 278)
XYZ	xyz(22.1418, 14.8084, 77.2773)
Luminance	0.1481 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B57E7 #E3E757

analogous

#579BE7 #5B57E7 #A357E7

triadic

#5B57E7 #E75B57 #57E75B

tetradic

#5B57E7 #E7579B #E3E757 #57E7A3

square

#5B57E7 #E7579B #E3E757 #57E7A3

split-complementary

#5B57E7 #E7A357 #9BE757

monochromatic

#1D18AB #2721DF #5B57E7 #8F8DEF #C4C2F6

Accessibility & contrast

On white

5.30

#5B57E7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#5B57E7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B57E7

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B57E7	#FFFFFF	#000000	##FFFFFF
##5B57E7	1.00	5.30	3.96	5.30
#FFFFFF	5.30	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071EC

Deuteranopia (green-blind)

#0065E4

Tritanopia (blue-blind)

#007B97

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #5b57e7;
/* rgb */ color: rgb(91, 87, 231);
/* oklch */ color: oklch(54.7% 0.211 278.0);

Tailwind

colors: {
  custom: {
    50: '#9787f0',
    500: '#5b57e7',
    950: '#000000',
  },
}

SCSS

$custom: #5b57e7;
$custom-light: #9787f0;
$custom-dark: #000000;

JSON

{
  "hex": "#5b57e7",
  "rgb": {
    "r": 91,
    "g": 87,
    "b": 231
  },
  "hsl": {
    "h": 241.667,
    "s": 75,
    "l": 62.353
  },
  "oklch": {
    "l": 0.54683,
    "c": 0.21104,
    "h": 278
  },
  "luminance": 0.1481
}

Semantic roles & 50–950 ramp

primary

#5B57E7

secondary

#E6E7B3

accent

#D70ED2

background

#FAF8FE

surface

#F3EFFD

border

#CDCAD5

text

#0F0B17

muted

#7F7C85

Preview Lab

Preview with #5B57E7

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

Preview Lab → · Contrast checker → · Palette generator →