#578BEA#578BEA

#578BEA is a light, vivid blue. Relative luminance 0.264; OKLCH L 64.5% C 0.153 H 261.5°. Best body text is #000000 at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#578BEA
RGB	rgb(87, 139, 234)
HSL	hsl(219, 78%, 63%)
HSV	hsv(219, 63%, 92%)
CMYK	cmyk(62.8%, 40.6%, 0%, 8.2%)
CIE-LAB	lab(58.44, 11.86, -53.21)
CIE-LCH	lch(58.44, 54.51, 282.56°)
OKLab	oklab(64.55% -0.0227 -0.1515)
OKLCH	oklch(64.55% 0.153 261.5)
XYZ	xyz(28.0092, 26.4294, 81.4513)
Luminance	0.2643 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578BEA #EAB657

analogous

#57D4EA #578BEA #6D57EA

triadic

#578BEA #EA578B #8BEA57

tetradic

#578BEA #EA57D4 #EAB657 #57EA6D

square

#578BEA #EA57D4 #EAB657 #57EA6D

split-complementary

#578BEA #EA6D57 #D4EA57

monochromatic

#164DB1 #2165E3 #578BEA #8DB1F1 #C4D6F8

Accessibility & contrast

On white

3.34

#578BEA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.29

#578BEA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578BEA

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578BEA	#FFFFFF	#000000	##000000
##578BEA	1.00	3.34	6.29	6.29
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.29	21.00	1.00	1.00
##000000	6.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6094EE

Deuteranopia (green-blind)

#4B86E8

Tritanopia (blue-blind)

#00A1AF

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #578bea;
/* rgb */ color: rgb(87, 139, 234);
/* oklch */ color: oklch(64.5% 0.153 261.5);

Tailwind

colors: {
  custom: {
    50: '#93acf1',
    500: '#578bea',
    950: '#000000',
  },
}

SCSS

$custom: #578bea;
$custom-light: #93acf1;
$custom-dark: #000000;

JSON

{
  "hex": "#578bea",
  "rgb": {
    "r": 87,
    "g": 139,
    "b": 234
  },
  "hsl": {
    "h": 218.776,
    "s": 77.778,
    "l": 62.941
  },
  "oklch": {
    "l": 0.64547,
    "c": 0.15322,
    "h": 261.5
  },
  "luminance": 0.26432
}

Semantic roles & 50–950 ramp

primary

#578BEA

secondary

#E9D6B4

accent

#910BDA

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #578BEA

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

Preview Lab → · Contrast checker → · Palette generator →