#5751EF#5751EF

#5751EF is a mid, highly saturated blue. Relative luminance 0.141; OKLCH L 54.1% C 0.229 H 277.2°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#5751EF
RGB	rgb(87, 81, 239)
HSL	hsl(242, 83%, 63%)
HSV	hsv(242, 66%, 94%)
CMYK	cmyk(63.6%, 66.1%, 0%, 6.3%)
CIE-LAB	lab(44.43, 48.57, -78.64)
CIE-LCH	lch(44.43, 92.43, 301.70°)
OKLab	oklab(54.13% 0.0287 -0.2268)
OKLCH	oklch(54.13% 0.229 277.2)
XYZ	xyz(22.4478, 14.1412, 83.1912)
Luminance	0.1414 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5751EF #E9EF51

analogous

#519AEF #5751EF #A651EF

triadic

#5751EF #EF5751 #51EF57

tetradic

#5751EF #EF519A #E9EF51 #51EFA6

square

#5751EF #EF519A #E9EF51 #51EFA6

split-complementary

#5751EF #EFA651 #9AEF51

monochromatic

#1711B5 #2119EA #5751EF #8D89F4 #C3C1F9

Accessibility & contrast

On white

5.49

#5751EF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#5751EF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5751EF

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5751EF	#FFFFFF	#000000	##FFFFFF
##5751EF	1.00	5.49	3.83	5.49
#FFFFFF	5.49	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070F4

Deuteranopia (green-blind)

#0062EC

Tritanopia (blue-blind)

#007B99

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #5751ef;
/* rgb */ color: rgb(87, 81, 239);
/* oklch */ color: oklch(54.1% 0.229 277.2);

Tailwind

colors: {
  custom: {
    50: '#9783f5',
    500: '#5751ef',
    950: '#000000',
  },
}

SCSS

$custom: #5751ef;
$custom-light: #9783f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5751ef",
  "rgb": {
    "r": 87,
    "g": 81,
    "b": 239
  },
  "hsl": {
    "h": 242.278,
    "s": 83.158,
    "l": 62.745
  },
  "oklch": {
    "l": 0.54132,
    "c": 0.22866,
    "h": 277.2
  },
  "luminance": 0.14143
}

Semantic roles & 50–950 ramp

primary

#5751EF

secondary

#E8EAB1

accent

#E006D7

background

#FAF8FF

surface

#F4EFFF

border

#CECAD7

text

#0F0B17

muted

#7F7C85

Preview Lab

Preview with #5751EF

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

Preview Lab → · Contrast checker → · Palette generator →