#578CE4#578CE4

#578CE4 is a light, vivid blue. Relative luminance 0.264; OKLCH L 64.4% C 0.144 H 260.0°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).

Color values

HEX#578CE4
RGBrgb(87, 140, 228)
HSLhsl(217, 72%, 62%)
HSVhsv(217, 62%, 89%)
CMYKcmyk(61.8%, 38.6%, 0%, 10.6%)
CIE-LABlab(58.40, 9.25, -49.94)
CIE-LCHlch(58.40, 50.79, 280.49°)
OKLaboklab(64.41% -0.025 -0.1419)
OKLCHoklch(64.41% 0.144 260)
XYZxyz(27.3072, 26.3813, 77.0368)
Luminance0.2638 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#578CE4 #E4AF57
analogous
#57D3E4 #578CE4 #6957E4
triadic
#578CE4 #E4578C #8CE457
tetradic
#578CE4 #E457D3 #E4AF57 #57E469
square
#578CE4 #E457D3 #E4AF57 #57E469
split-complementary
#578CE4 #E46957 #D3E457
monochromatic
#1B4FA6 #2368DB #578CE4 #8CB0EC #C0D4F5

Accessibility & contrast

On white

3.35
#578CE4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.28
#578CE4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578CE4
6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##578CE4#FFFFFF#000000##000000
##578CE41.003.356.286.28
#FFFFFF3.351.0021.0021.00
#0000006.2821.001.001.00
##0000006.2821.001.001.00

Color blindness preview

Protanopia (red-blind)
#6694E8
Deuteranopia (green-blind)
#5286E2
Tritanopia (blue-blind)
#00A0AD
Achromatopsia (no color)
#8C8C8C

Design tokens & code

CSS
--color: #578ce4;
/* rgb */ color: rgb(87, 140, 228);
/* oklch */ color: oklch(64.4% 0.144 260.0);
Tailwind
colors: {
  custom: {
    50: '#92aded',
    500: '#578ce4',
    950: '#000000',
  },
}
SCSS
$custom: #578ce4;
$custom-light: #92aded;
$custom-dark: #000000;
JSON
{
  "hex": "#578ce4",
  "rgb": {
    "r": 87,
    "g": 140,
    "b": 228
  },
  "hsl": {
    "h": 217.447,
    "s": 72.308,
    "l": 61.765
  },
  "oklch": {
    "l": 0.64409,
    "c": 0.14412,
    "h": 260
  },
  "luminance": 0.26384
}

Semantic roles & 50–950 ramp

primary
#578CE4
secondary
#E6D2B1
accent
#8B11D4
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0E1016
muted
#7E7F84

Preview Lab

Preview with #578CE4

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

Preview Lab → · Contrast checker → · Palette generator →

#578CE4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva