#578EEB#578EEB

#578EEB is a light, vivid blue. Relative luminance 0.274; OKLCH L 65.2% C 0.151 H 260.3°. Best body text is #000000 at 6.47:1 contrast (WCAG AA passes).

Color values

HEX#578EEB
RGBrgb(87, 142, 235)
HSLhsl(218, 79%, 63%)
HSVhsv(218, 63%, 92%)
CMYKcmyk(63%, 39.6%, 0%, 7.8%)
CIE-LABlab(59.31, 10.40, -52.38)
CIE-LCHlch(59.31, 53.40, 281.23°)
OKLaboklab(65.24% -0.0255 -0.149)
OKLCHoklch(65.24% 0.151 260.3)
XYZxyz(28.5936, 27.3677, 82.3568)
Luminance0.2737 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#578EEB #EBB457
analogous
#57D8EB #578EEB #6A57EB
triadic
#578EEB #EB578E #8EEB57
tetradic
#578EEB #EB57D8 #EBB457 #57EB6A
square
#578EEB #EB57D8 #EBB457 #57EB6A
split-complementary
#578EEB #EB6A57 #D8EB57
monochromatic
#1550B2 #2069E4 #578EEB #8EB3F2 #C4D8F8

Accessibility & contrast

On white

3.24
#578EEB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.47
#578EEB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578EEB
6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##578EEB#FFFFFF#000000##000000
##578EEB1.003.246.476.47
#FFFFFF3.241.0021.0021.00
#0000006.4721.001.001.00
##0000006.4721.001.001.00

Color blindness preview

Protanopia (red-blind)
#6596EF
Deuteranopia (green-blind)
#4F88E9
Tritanopia (blue-blind)
#00A3B1
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #578eeb;
/* rgb */ color: rgb(87, 142, 235);
/* oklch */ color: oklch(65.2% 0.151 260.3);
Tailwind
colors: {
  custom: {
    50: '#93aef2',
    500: '#578eeb',
    950: '#000000',
  },
}
SCSS
$custom: #578eeb;
$custom-light: #93aef2;
$custom-dark: #000000;
JSON
{
  "hex": "#578eeb",
  "rgb": {
    "r": 87,
    "g": 142,
    "b": 235
  },
  "hsl": {
    "h": 217.703,
    "s": 78.723,
    "l": 63.137
  },
  "oklch": {
    "l": 0.65239,
    "c": 0.15121,
    "h": 260.3
  },
  "luminance": 0.2737
}

Semantic roles & 50–950 ramp

primary
#578EEB
secondary
#E9D6B4
accent
#8E0ADB
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0E1017
muted
#7E7F85

Preview Lab

Preview with #578EEB

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

Preview Lab → · Contrast checker → · Palette generator →

#578EEB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva