#578FF0#578FF0

#578FF0 is a light, vivid blue. Relative luminance 0.280; OKLCH L 65.7% C 0.157 H 260.6°. Best body text is #000000 at 6.59:1 contrast (WCAG AA passes).

Color values

HEX#578FF0
RGBrgb(87, 143, 240)
HSLhsl(218, 84%, 64%)
HSVhsv(218, 64%, 94%)
CMYKcmyk(63.7%, 40.4%, 0%, 5.9%)
CIE-LABlab(59.85, 11.49, -54.28)
CIE-LCHlch(59.85, 55.49, 281.95°)
OKLaboklab(65.74% -0.0255 -0.1546)
OKLCHoklch(65.74% 0.157 260.6)
XYZxyz(29.4756, 27.9596, 86.2646)
Luminance0.2796 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#578FF0 #F0B857
analogous
#57DCF0 #578FF0 #6C57F0
triadic
#578FF0 #F0578F #8FF057
tetradic
#578FF0 #F057DC #F0B857 #57F06C
square
#578FF0 #F057DC #F0B857 #57F06C
split-complementary
#578FF0 #F06C57 #DCF057
monochromatic
#114FBC #1F6AEB #578FF0 #8FB4F5 #C7DAFA

Accessibility & contrast

On white

3.19
#578FF0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.59
#578FF0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578FF0
6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##578FF0#FFFFFF#000000##000000
##578FF01.003.196.596.59
#FFFFFF3.191.0021.0021.00
#0000006.5921.001.001.00
##0000006.5921.001.001.00

Color blindness preview

Protanopia (red-blind)
#6398F4
Deuteranopia (green-blind)
#4C8AEE
Tritanopia (blue-blind)
#00A5B4
Achromatopsia (no color)
#909090

Design tokens & code

CSS
--color: #578ff0;
/* rgb */ color: rgb(87, 143, 240);
/* oklch */ color: oklch(65.7% 0.157 260.6);
Tailwind
colors: {
  custom: {
    50: '#94aff5',
    500: '#578ff0',
    950: '#000000',
  },
}
SCSS
$custom: #578ff0;
$custom-light: #94aff5;
$custom-dark: #000000;
JSON
{
  "hex": "#578ff0",
  "rgb": {
    "r": 87,
    "g": 143,
    "b": 240
  },
  "hsl": {
    "h": 218.039,
    "s": 83.607,
    "l": 64.118
  },
  "oklch": {
    "l": 0.65743,
    "c": 0.15671,
    "h": 260.6
  },
  "luminance": 0.27962
}

Semantic roles & 50–950 ramp

primary
#578FF0
secondary
#ECD9B7
accent
#9005E0
background
#F9FAFF
surface
#F2F4FE
border
#CCCED6
text
#0E1017
muted
#7E7F85

Preview Lab

Preview with #578FF0

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

Preview Lab → · Contrast checker → · Palette generator →

#578FF0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva