#579BAC#579BAC

#579BAC is a light, moderate cyan. Relative luminance 0.284; OKLCH L 65.1% C 0.073 H 215.8°. Best body text is #000000 at 6.69:1 contrast (WCAG AA passes).

Color values

HEX#579BAC
RGBrgb(87, 155, 172)
HSLhsl(192, 34%, 51%)
HSVhsv(192, 49%, 67%)
CMYKcmyk(49.4%, 9.9%, 0%, 32.5%)
CIE-LABlab(60.29, -16.82, -15.54)
CIE-LCHlch(60.29, 22.90, 222.72°)
OKLaboklab(65.11% -0.0595 -0.0429)
OKLCHoklch(65.11% 0.073 215.8)
XYZxyz(23.0954, 28.4456, 43.2952)
Luminance0.2845 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#579BAC #AC6857
analogous
#57AC92 #579BAC #5770AC
triadic
#579BAC #AC579B #9BAC57
tetradic
#579BAC #9257AC #AC6857 #70AC57
square
#579BAC #9257AC #AC6857 #70AC57
split-complementary
#579BAC #AC5770 #AC9257
monochromatic
#2D525B #417784 #579BAC #80B3C0 #A9CCD4

Accessibility & contrast

On white

3.14
#579BAC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.69
#579BAC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #579BAC
6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##579BAC#FFFFFF#000000##000000
##579BAC1.003.146.696.69
#FFFFFF3.141.0021.0021.00
#0000006.6921.001.001.00
##0000006.6921.001.001.00

Color blindness preview

Protanopia (red-blind)
#8F97AD
Deuteranopia (green-blind)
#828DAC
Tritanopia (blue-blind)
#27A1A0
Achromatopsia (no color)
#919191

Design tokens & code

CSS
--color: #579bac;
/* rgb */ color: rgb(87, 155, 172);
/* oklch */ color: oklch(65.1% 0.073 215.8);
Tailwind
colors: {
  custom: {
    50: '#8cb8c4',
    500: '#579bac',
    950: '#000000',
  },
}
SCSS
$custom: #579bac;
$custom-light: #8cb8c4;
$custom-dark: #000000;
JSON
{
  "hex": "#579bac",
  "rgb": {
    "r": 87,
    "g": 155,
    "b": 172
  },
  "hsl": {
    "h": 192,
    "s": 33.865,
    "l": 50.784
  },
  "oklch": {
    "l": 0.65108,
    "c": 0.07334,
    "h": 215.8
  },
  "luminance": 0.28447
}

Semantic roles & 50–950 ramp

primary
#579BAC
secondary
#C2A49D
accent
#735ECA
background
#F8FBFC
surface
#F0F6F8
border
#CBD0D1
text
#0C1112
muted
#7D8081

Preview Lab

Preview with #579BAC

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

Preview Lab → · Contrast checker → · Palette generator →

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