#578BEB#578BEB

#578BEB is a light, vivid blue. Relative luminance 0.265; OKLCH L 64.6% C 0.155 H 261.6°. Best body text is #000000 at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#578BEB
RGB	rgb(87, 139, 235)
HSL	hsl(219, 79%, 63%)
HSV	hsv(219, 63%, 92%)
CMYK	cmyk(63%, 40.9%, 0%, 7.8%)
CIE-LAB	lab(58.50, 12.19, -53.68)
CIE-LCH	lch(58.50, 55.04, 282.80°)
OKLab	oklab(64.61% -0.0225 -0.1529)
OKLCH	oklch(64.61% 0.155 261.6)
XYZ	xyz(28.1532, 26.4870, 82.2100)
Luminance	0.2649 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578BEB #EBB757

analogous

#57D5EB #578BEB #6D57EB

triadic

#578BEB #EB578B #8BEB57

tetradic

#578BEB #EB57D5 #EBB757 #57EB6D

square

#578BEB #EB57D5 #EBB757 #57EB6D

split-complementary

#578BEB #EB6D57 #D5EB57

monochromatic

#154CB2 #2065E4 #578BEB #8EB1F2 #C4D7F8

Accessibility & contrast

On white

3.33

#578BEB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.30

#578BEB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578BEB

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578BEB	#FFFFFF	#000000	##000000
##578BEB	1.00	3.33	6.30	6.30
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.30	21.00	1.00	1.00
##000000	6.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6094EF

Deuteranopia (green-blind)

#4A86E9

Tritanopia (blue-blind)

#00A1B0

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #578beb;
/* rgb */ color: rgb(87, 139, 235);
/* oklch */ color: oklch(64.6% 0.155 261.6);

Tailwind

colors: {
  custom: {
    50: '#93acf2',
    500: '#578beb',
    950: '#000000',
  },
}

SCSS

$custom: #578beb;
$custom-light: #93acf2;
$custom-dark: #000000;

JSON

{
  "hex": "#578beb",
  "rgb": {
    "r": 87,
    "g": 139,
    "b": 235
  },
  "hsl": {
    "h": 218.919,
    "s": 78.723,
    "l": 63.137
  },
  "oklch": {
    "l": 0.64607,
    "c": 0.15454,
    "h": 261.6
  },
  "luminance": 0.2649
}

Semantic roles & 50–950 ramp

primary

#578BEB

secondary

#E9D7B4

accent

#920ADB

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #578BEB

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

Preview Lab → · Contrast checker → · Palette generator →