#578FEB#578FEB

#578FEB is a light, vivid blue. Relative luminance 0.277; OKLCH L 65.5% C 0.150 H 259.8°. Best body text is #000000 at 6.53:1 contrast (WCAG AA passes).

Color values

HEX#578FEB
RGBrgb(87, 143, 235)
HSLhsl(217, 79%, 63%)
HSVhsv(217, 63%, 92%)
CMYKcmyk(63%, 39.1%, 0%, 7.8%)
CIE-LABlab(59.59, 9.81, -51.94)
CIE-LCHlch(59.59, 52.86, 280.69°)
OKLaboklab(65.45% -0.0265 -0.1478)
OKLCHoklch(65.45% 0.15 259.8)
XYZxyz(28.7430, 27.6666, 82.4066)
Luminance0.2767 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#578FEB #EBB357
analogous
#57D9EB #578FEB #6957EB
triadic
#578FEB #EB578F #8FEB57
tetradic
#578FEB #EB57D9 #EBB357 #57EB69
square
#578FEB #EB57D9 #EBB357 #57EB69
split-complementary
#578FEB #EB6957 #D9EB57
monochromatic
#1551B2 #206BE4 #578FEB #8EB3F2 #C4D8F8

Accessibility & contrast

On white

3.21
#578FEB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.53
#578FEB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578FEB
6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##578FEB#FFFFFF#000000##000000
##578FEB1.003.216.536.53
#FFFFFF3.211.0021.0021.00
#0000006.5321.001.001.00
##0000006.5321.001.001.00

Color blindness preview

Protanopia (red-blind)
#6697EF
Deuteranopia (green-blind)
#5189E9
Tritanopia (blue-blind)
#00A4B2
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #578feb;
/* rgb */ color: rgb(87, 143, 235);
/* oklch */ color: oklch(65.5% 0.150 259.8);
Tailwind
colors: {
  custom: {
    50: '#93aff2',
    500: '#578feb',
    950: '#000000',
  },
}
SCSS
$custom: #578feb;
$custom-light: #93aff2;
$custom-dark: #000000;
JSON
{
  "hex": "#578feb",
  "rgb": {
    "r": 87,
    "g": 143,
    "b": 235
  },
  "hsl": {
    "h": 217.297,
    "s": 78.723,
    "l": 63.137
  },
  "oklch": {
    "l": 0.6545,
    "c": 0.15012,
    "h": 259.8
  },
  "luminance": 0.27669
}

Semantic roles & 50–950 ramp

primary
#578FEB
secondary
#E9D5B4
accent
#8C0ADB
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0E1017
muted
#7E7F85

Preview Lab

Preview with #578FEB

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

Preview Lab → · Contrast checker → · Palette generator →

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