#579FD1#579FD1

#579FD1 is a light, moderate cyan. Relative luminance 0.314; OKLCH L 67.6% C 0.104 H 240.9°. Best body text is #000000 at 7.29:1 contrast (WCAG AA passes).

Color values

HEX#579FD1
RGBrgb(87, 159, 209)
HSLhsl(205, 57%, 58%)
HSVhsv(205, 58%, 82%)
CMYKcmyk(58.4%, 23.9%, 0%, 18%)
CIE-LABlab(62.86, -7.90, -32.35)
CIE-LCHlch(62.86, 33.30, 256.28°)
OKLaboklab(67.62% -0.0504 -0.0907)
OKLCHoklch(67.62% 0.104 240.9)
XYZxyz(27.8330, 31.4234, 64.9078)
Luminance0.3143 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#579FD1 #D18957
analogous
#57D1C6 #579FD1 #5762D1
triadic
#579FD1 #D1579F #9FD157
tetradic
#579FD1 #C657D1 #D18957 #62D157
square
#579FD1 #C657D1 #D18957 #62D157
split-complementary
#579FD1 #D15762 #D1C657
monochromatic
#256088 #3281B8 #579FD1 #87BADE #B7D6EB

Accessibility & contrast

On white

2.88
#579FD1 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.29
#579FD1 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579FD1
7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##579FD1#FFFFFF#000000##000000
##579FD11.002.887.297.29
#FFFFFF2.881.0021.0021.00
#0000007.2921.001.001.00
##0000007.2921.001.001.00

Color blindness preview

Protanopia (red-blind)
#899FD3
Deuteranopia (green-blind)
#7893D0
Tritanopia (blue-blind)
#00ABB0
Achromatopsia (no color)
#989898

Design tokens & code

CSS
--color: #579fd1;
/* rgb */ color: rgb(87, 159, 209);
/* oklch */ color: oklch(67.6% 0.104 240.9);
Tailwind
colors: {
  custom: {
    50: '#90bbdf',
    500: '#579fd1',
    950: '#000000',
  },
}
SCSS
$custom: #579fd1;
$custom-light: #90bbdf;
$custom-dark: #000000;
JSON
{
  "hex": "#579fd1",
  "rgb": {
    "r": 87,
    "g": 159,
    "b": 209
  },
  "hsl": {
    "h": 204.59,
    "s": 57.009,
    "l": 58.039
  },
  "oklch": {
    "l": 0.67619,
    "c": 0.10374,
    "h": 240.9
  },
  "luminance": 0.31426
}

Semantic roles & 50–950 ramp

primary
#579FD1
secondary
#DABEAA
accent
#8648E0
background
#F9FBFD
surface
#F2F6FB
border
#CCD0D4
text
#0D1115
muted
#7E8083

Preview Lab

Preview with #579FD1

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

Preview Lab → · Contrast checker → · Palette generator →

#579FD1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva