#578EE0#578EE0

#578EE0 is a light, vivid blue. Relative luminance 0.268; OKLCH L 64.6% C 0.137 H 258.2°. Best body text is #000000 at 6.35:1 contrast (WCAG AA passes).

Color values

HEX#578EE0
RGBrgb(87, 142, 224)
HSLhsl(216, 69%, 61%)
HSVhsv(216, 61%, 88%)
CMYKcmyk(61.2%, 36.6%, 0%, 12.2%)
CIE-LABlab(58.74, 6.73, -47.17)
CIE-LCHlch(58.74, 47.64, 278.12°)
OKLaboklab(64.61% -0.028 -0.1338)
OKLCHoklch(64.61% 0.137 258.2)
XYZxyz(27.0533, 26.7516, 74.2445)
Luminance0.2675 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#578EE0 #E0A957
analogous
#57D3E0 #578EE0 #6457E0
triadic
#578EE0 #E0578E #8EE057
tetradic
#578EE0 #E057D3 #E0A957 #57E064
square
#578EE0 #E057D3 #E0A957 #57E064
split-complementary
#578EE0 #E06457 #D3E057
monochromatic
#1D529F #276CD3 #578EE0 #8BB1EA #BED4F3

Accessibility & contrast

On white

3.31
#578EE0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.35
#578EE0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578EE0
6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##578EE0#FFFFFF#000000##000000
##578EE01.003.316.356.35
#FFFFFF3.311.0021.0021.00
#0000006.3521.001.001.00
##0000006.3521.001.001.00

Color blindness preview

Protanopia (red-blind)
#6B94E3
Deuteranopia (green-blind)
#5887DE
Tritanopia (blue-blind)
#00A1AC
Achromatopsia (no color)
#8D8D8D

Design tokens & code

CSS
--color: #578ee0;
/* rgb */ color: rgb(87, 142, 224);
/* oklch */ color: oklch(64.6% 0.137 258.2);
Tailwind
colors: {
  custom: {
    50: '#92aeea',
    500: '#578ee0',
    950: '#000000',
  },
}
SCSS
$custom: #578ee0;
$custom-light: #92aeea;
$custom-dark: #000000;
JSON
{
  "hex": "#578ee0",
  "rgb": {
    "r": 87,
    "g": 142,
    "b": 224
  },
  "hsl": {
    "h": 215.912,
    "s": 68.844,
    "l": 60.98
  },
  "oklch": {
    "l": 0.64611,
    "c": 0.13668,
    "h": 258.2
  },
  "luminance": 0.26754
}

Semantic roles & 50–950 ramp

primary
#578EE0
secondary
#E3CEB0
accent
#8515D1
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0E1016
muted
#7E7F84

Preview Lab

Preview with #578EE0

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

Preview Lab → · Contrast checker → · Palette generator →

#578EE0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva