#578CEB#578CEB

#578CEB is a light, vivid blue. Relative luminance 0.268; OKLCH L 64.8% C 0.153 H 261.2°. Best body text is #000000 at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#578CEB
RGB	rgb(87, 140, 235)
HSL	hsl(219, 79%, 63%)
HSV	hsv(219, 63%, 92%)
CMYK	cmyk(63%, 40.4%, 0%, 7.8%)
CIE-LAB	lab(58.77, 11.59, -53.24)
CIE-LCH	lch(58.77, 54.49, 282.29°)
OKLab	oklab(64.82% -0.0235 -0.1516)
OKLCH	oklch(64.82% 0.153 261.2)
XYZ	xyz(28.2987, 26.7779, 82.2585)
Luminance	0.2678 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578CEB #EBB657

analogous

#57D6EB #578CEB #6C57EB

triadic

#578CEB #EB578C #8CEB57

tetradic

#578CEB #EB57D6 #EBB657 #57EB6C

square

#578CEB #EB57D6 #EBB657 #57EB6C

split-complementary

#578CEB #EB6C57 #D6EB57

monochromatic

#154EB2 #2067E4 #578CEB #8EB1F2 #C4D7F8

Accessibility & contrast

On white

3.30

#578CEB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.36

#578CEB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578CEB

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578CEB	#FFFFFF	#000000	##000000
##578CEB	1.00	3.30	6.36	6.36
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.36	21.00	1.00	1.00
##000000	6.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6195EF

Deuteranopia (green-blind)

#4C87E9

Tritanopia (blue-blind)

#00A2B0

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #578ceb;
/* rgb */ color: rgb(87, 140, 235);
/* oklch */ color: oklch(64.8% 0.153 261.2);

Tailwind

colors: {
  custom: {
    50: '#93adf2',
    500: '#578ceb',
    950: '#000000',
  },
}

SCSS

$custom: #578ceb;
$custom-light: #93adf2;
$custom-dark: #000000;

JSON

{
  "hex": "#578ceb",
  "rgb": {
    "r": 87,
    "g": 140,
    "b": 235
  },
  "hsl": {
    "h": 218.514,
    "s": 78.723,
    "l": 63.137
  },
  "oklch": {
    "l": 0.64817,
    "c": 0.15343,
    "h": 261.2
  },
  "luminance": 0.26781
}

Semantic roles & 50–950 ramp

primary

#578CEB

secondary

#E9D6B4

accent

#900ADB

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #578CEB

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

Preview Lab → · Contrast checker → · Palette generator →