#579BB2#579BB2

#579BB2 is a light, moderate cyan. Relative luminance 0.287; OKLCH L 65.3% C 0.077 H 222.1°. Best body text is #000000 at 6.74:1 contrast (WCAG AA passes).

Color values

HEX#579BB2
RGBrgb(87, 155, 178)
HSLhsl(195, 37%, 52%)
HSVhsv(195, 51%, 70%)
CMYKcmyk(51.1%, 12.9%, 0%, 30.2%)
CIE-LABlab(60.50, -15.10, -18.61)
CIE-LCHlch(60.50, 23.96, 230.94°)
OKLaboklab(65.35% -0.0571 -0.0515)
OKLCHoklch(65.35% 0.077 222.1)
XYZxyz(23.6847, 28.6813, 46.3988)
Luminance0.2868 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#579BB2 #B26E57
analogous
#57B29C #579BB2 #576EB2
triadic
#579BB2 #B2579B #9BB257
tetradic
#579BB2 #9C57B2 #B26E57 #6EB257
square
#579BB2 #9C57B2 #B26E57 #6EB257
split-complementary
#579BB2 #B2576E #B29C57
monochromatic
#2D5462 #40798C #579BB2 #81B4C5 #ABCDD8

Accessibility & contrast

On white

3.12
#579BB2 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.74
#579BB2 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #579BB2
6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##579BB2#FFFFFF#000000##000000
##579BB21.003.126.746.74
#FFFFFF3.121.0021.0021.00
#0000006.7421.001.001.00
##0000006.7421.001.001.00

Color blindness preview

Protanopia (red-blind)
#8D98B3
Deuteranopia (green-blind)
#808DB2
Tritanopia (blue-blind)
#21A2A2
Achromatopsia (no color)
#929292

Design tokens & code

CSS
--color: #579bb2;
/* rgb */ color: rgb(87, 155, 178);
/* oklch */ color: oklch(65.3% 0.077 222.1);
Tailwind
colors: {
  custom: {
    50: '#8db8c9',
    500: '#579bb2',
    950: '#000000',
  },
}
SCSS
$custom: #579bb2;
$custom-light: #8db8c9;
$custom-dark: #000000;
JSON
{
  "hex": "#579bb2",
  "rgb": {
    "r": 87,
    "g": 155,
    "b": 178
  },
  "hsl": {
    "h": 195.165,
    "s": 37.143,
    "l": 51.961
  },
  "oklch": {
    "l": 0.65345,
    "c": 0.0769,
    "h": 222.1
  },
  "luminance": 0.28683
}

Semantic roles & 50–950 ramp

primary
#579BB2
secondary
#C6A99E
accent
#785BCD
background
#F8FBFC
surface
#F0F6F8
border
#CBD0D1
text
#0D1113
muted
#7D8082

Preview Lab

Preview with #579BB2

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

Preview Lab → · Contrast checker → · Palette generator →

#579BB2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva