#5751EB#5751EB

#5751EB is a mid, highly saturated blue. Relative luminance 0.139; OKLCH L 53.8% C 0.224 H 277.5°. Best body text is #FFFFFF at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#5751EB
RGB	rgb(87, 81, 235)
HSL	hsl(242, 79%, 62%)
HSV	hsv(242, 66%, 92%)
CMYK	cmyk(63%, 65.5%, 0%, 7.8%)
CIE-LAB	lab(44.10, 47.31, -76.94)
CIE-LCH	lch(44.10, 90.32, 301.59°)
OKLab	oklab(53.79% 0.0292 -0.2218)
OKLCH	oklch(53.79% 0.224 277.5)
XYZ	xyz(21.8635, 13.9075, 80.1134)
Luminance	0.1391 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5751EB #E5EB51

analogous

#5198EB #5751EB #A451EB

triadic

#5751EB #EB5751 #51EB57

tetradic

#5751EB #EB5198 #E5EB51 #51EBA4

square

#5751EB #EB5198 #E5EB51 #51EBA4

split-complementary

#5751EB #EBA451 #98EB51

monochromatic

#1A14AE #221AE5 #5751EB #8C88F1 #C1BFF8

Accessibility & contrast

On white

5.55

#5751EB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#5751EB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5751EB

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5751EB	#FFFFFF	#000000	##FFFFFF
##5751EB	1.00	5.55	3.78	5.55
#FFFFFF	5.55	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FF0

Deuteranopia (green-blind)

#0062E8

Tritanopia (blue-blind)

#007997

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #5751eb;
/* rgb */ color: rgb(87, 81, 235);
/* oklch */ color: oklch(53.8% 0.224 277.5);

Tailwind

colors: {
  custom: {
    50: '#9683f3',
    500: '#5751eb',
    950: '#000000',
  },
}

SCSS

$custom: #5751eb;
$custom-light: #9683f3;
$custom-dark: #000000;

JSON

{
  "hex": "#5751eb",
  "rgb": {
    "r": 87,
    "g": 81,
    "b": 235
  },
  "hsl": {
    "h": 242.338,
    "s": 79.381,
    "l": 61.961
  },
  "oklch": {
    "l": 0.53786,
    "c": 0.22376,
    "h": 277.5
  },
  "luminance": 0.13909
}

Semantic roles & 50–950 ramp

primary

#5751EB

secondary

#E6E8B0

accent

#DC0AD4

background

#FAF8FF

surface

#F3EFFE

border

#CDCAD6

text

#0F0B17

muted

#7F7C85

Preview Lab

Preview with #5751EB

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

Preview Lab → · Contrast checker → · Palette generator →