#3579C0#3579C0

#3579C0 is a mid, vivid cyan. Relative luminance 0.182; OKLCH L 56.7% C 0.130 H 252.0°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX#3579C0
RGBrgb(53, 121, 192)
HSLhsl(211, 57%, 48%)
HSVhsv(211, 72%, 75%)
CMYKcmyk(72.4%, 37%, 0%, 24.7%)
CIE-LABlab(49.78, 2.62, -43.36)
CIE-LCHlch(49.78, 43.43, 273.45°)
OKLaboklab(56.71% -0.0401 -0.1234)
OKLCHoklch(56.71% 0.13 252)
XYZxyz(17.8164, 18.2354, 52.4398)
Luminance0.1824 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3579C0 #C07C35
analogous
#35BFC0 #3579C0 #3635C0
triadic
#3579C0 #C03579 #79C035
tetradic
#3579C0 #C035BF #C07C35 #35C036
square
#3579C0 #C035BF #C07C35 #35C036
split-complementary
#3579C0 #C03635 #BFC035
monochromatic
#1B3D60 #285B90 #3579C0 #5F98D3 #8FB7E0

Accessibility & contrast

On white

4.52
#3579C0 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.65
#3579C0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3579C0
4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3579C0#FFFFFF#000000##000000
##3579C01.004.524.654.65
#FFFFFF4.521.0021.0021.00
#0000004.6521.001.001.00
##0000004.6521.001.001.00

Color blindness preview

Protanopia (red-blind)
#587DC3
Deuteranopia (green-blind)
#4470BF
Tritanopia (blue-blind)
#008A93
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #3579c0;
/* rgb */ color: rgb(53, 121, 192);
/* oklch */ color: oklch(56.7% 0.130 252.0);
Tailwind
colors: {
  custom: {
    50: '#7e9fd3',
    500: '#3579c0',
    950: '#000000',
  },
}
SCSS
$custom: #3579c0;
$custom-light: #7e9fd3;
$custom-dark: #000000;
JSON
{
  "hex": "#3579c0",
  "rgb": {
    "r": 53,
    "g": 121,
    "b": 192
  },
  "hsl": {
    "h": 210.647,
    "s": 56.735,
    "l": 48.039
  },
  "oklch": {
    "l": 0.56709,
    "c": 0.12976,
    "h": 252
  },
  "luminance": 0.18237
}

Semantic roles & 50–950 ramp

primary
#3579C0
secondary
#CBA986
accent
#9648E0
background
#F8F9FD
surface
#EFF2FA
border
#CACCD3
text
#0B0E14
muted
#7C7E83

Preview Lab

Preview with #3579C0

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

Preview Lab → · Contrast checker → · Palette generator →

#3579C0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva