#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
RGBrgb(87, 140, 235)
HSLhsl(219, 79%, 63%)
HSVhsv(219, 63%, 92%)
CMYKcmyk(63%, 40.4%, 0%, 7.8%)
CIE-LABlab(58.77, 11.59, -53.24)
CIE-LCHlch(58.77, 54.49, 282.29°)
OKLaboklab(64.82% -0.0235 -0.1516)
OKLCHoklch(64.82% 0.153 261.2)
XYZxyz(28.2987, 26.7779, 82.2585)
Luminance0.2678 (WCAG relative)
Temperaturecool
Familyblue

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
##578CEB1.003.306.366.36
#FFFFFF3.301.0021.0021.00
#0000006.3621.001.001.00
##0000006.3621.001.001.00

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 →

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