#5781EA#5781EA

#5781EA is a light, vivid blue. Relative luminance 0.237; OKLCH L 62.5% C 0.165 H 265.5°. Best body text is #000000 at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#5781EA
RGB	rgb(87, 129, 234)
HSL	hsl(223, 78%, 63%)
HSV	hsv(223, 63%, 92%)
CMYK	cmyk(62.8%, 44.9%, 0%, 8.2%)
CIE-LAB	lab(55.75, 17.89, -57.50)
CIE-LCH	lch(55.75, 60.22, 287.28°)
OKLab	oklab(62.48% -0.0129 -0.1643)
OKLCH	oklch(62.48% 0.165 265.5)
XYZ	xyz(26.6269, 23.6649, 80.9905)
Luminance	0.2367 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5781EA #EAC057

analogous

#57CBEA #5781EA #7657EA

triadic

#5781EA #EA5781 #81EA57

tetradic

#5781EA #EA57CB #EAC057 #57EA76

square

#5781EA #EA57CB #EAC057 #57EA76

split-complementary

#5781EA #EA7657 #CBEA57

monochromatic

#1642B1 #2158E3 #5781EA #8DAAF1 #C4D3F8

Accessibility & contrast

On white

3.66

#5781EA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.73

#5781EA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5781EA

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5781EA	#FFFFFF	#000000	##000000
##5781EA	1.00	3.66	5.73	5.73
#FFFFFF	3.66	1.00	21.00	21.00
#000000	5.73	21.00	1.00	1.00
##000000	5.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E8DEE

Deuteranopia (green-blind)

#367FE8

Tritanopia (blue-blind)

#0099AA

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #5781ea;
/* rgb */ color: rgb(87, 129, 234);
/* oklch */ color: oklch(62.5% 0.165 265.5);

Tailwind

colors: {
  custom: {
    50: '#93a5f1',
    500: '#5781ea',
    950: '#000000',
  },
}

SCSS

$custom: #5781ea;
$custom-light: #93a5f1;
$custom-dark: #000000;

JSON

{
  "hex": "#5781ea",
  "rgb": {
    "r": 87,
    "g": 129,
    "b": 234
  },
  "hsl": {
    "h": 222.857,
    "s": 77.778,
    "l": 62.941
  },
  "oklch": {
    "l": 0.62475,
    "c": 0.16478,
    "h": 265.5
  },
  "luminance": 0.23667
}

Semantic roles & 50–950 ramp

primary

#5781EA

secondary

#E9DAB4

accent

#9F0BDA

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #5781EA

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

Preview Lab → · Contrast checker → · Palette generator →