#579DF1#579DF1

#579DF1 is a light, vivid cyan. Relative luminance 0.325; OKLCH L 68.8% C 0.143 H 254.2°. Best body text is #000000 at 7.50:1 contrast (WCAG AA passes).

Color values

HEX#579DF1
RGBrgb(87, 157, 241)
HSLhsl(213, 85%, 64%)
HSVhsv(213, 64%, 95%)
CMYKcmyk(63.9%, 34.9%, 0%, 5.5%)
CIE-LABlab(63.74, 3.60, -48.66)
CIE-LCHlch(63.74, 48.79, 274.23°)
OKLaboklab(68.79% -0.039 -0.138)
OKLCHoklch(68.79% 0.143 254.2)
XYZxyz(31.8589, 32.4879, 87.7939)
Luminance0.3249 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#579DF1 #F1AB57
analogous
#57EAF1 #579DF1 #5E57F1
triadic
#579DF1 #F1579D #9DF157
tetradic
#579DF1 #F157EA #F1AB57 #57F15E
square
#579DF1 #F157EA #F1AB57 #57F15E
split-complementary
#579DF1 #F15E57 #EAF157
monochromatic
#105FBE #1F7CEC #579DF1 #8FBEF6 #C8DFFA

Accessibility & contrast

On white

2.80
#579DF1 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.50
#579DF1 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579DF1
7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##579DF1#FFFFFF#000000##000000
##579DF11.002.807.507.50
#FFFFFF2.801.0021.0021.00
#0000007.5021.001.001.00
##0000007.5021.001.001.00

Color blindness preview

Protanopia (red-blind)
#78A2F4
Deuteranopia (green-blind)
#6394EF
Tritanopia (blue-blind)
#00B0BC
Achromatopsia (no color)
#9A9A9A

Design tokens & code

CSS
--color: #579df1;
/* rgb */ color: rgb(87, 157, 241);
/* oklch */ color: oklch(68.8% 0.143 254.2);
Tailwind
colors: {
  custom: {
    50: '#94b9f6',
    500: '#579df1',
    950: '#000000',
  },
}
SCSS
$custom: #579df1;
$custom-light: #94b9f6;
$custom-dark: #000000;
JSON
{
  "hex": "#579df1",
  "rgb": {
    "r": 87,
    "g": 157,
    "b": 241
  },
  "hsl": {
    "h": 212.727,
    "s": 84.615,
    "l": 64.314
  },
  "oklch": {
    "l": 0.68786,
    "c": 0.14341,
    "h": 254.2
  },
  "luminance": 0.32491
}

Semantic roles & 50–950 ramp

primary
#579DF1
secondary
#EDD4B7
accent
#7D04E1
background
#F9FBFF
surface
#F2F6FE
border
#CCD0D6
text
#0E1117
muted
#7E8085

Preview Lab

Preview with #579DF1

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

Preview Lab → · Contrast checker → · Palette generator →

#579DF1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva