#1E579F#1E579F

#1E579F is a mid, vivid cyan. Relative luminance 0.096; OKLCH L 46.0% C 0.131 H 256.2°. Best body text is #FFFFFF at 7.19:1 contrast (WCAG AA passes).

Color values

HEX#1E579F
RGBrgb(30, 87, 159)
HSLhsl(213, 68%, 37%)
HSVhsv(213, 81%, 62%)
CMYKcmyk(81.1%, 45.3%, 0%, 37.6%)
CIE-LABlab(37.10, 8.70, -44.27)
CIE-LCHlch(37.10, 45.12, 281.12°)
OKLaboklab(46.02% -0.0312 -0.127)
OKLCHoklch(46.02% 0.131 256.2)
XYZxyz(10.1993, 9.5944, 34.1085)
Luminance0.0960 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1E579F #9F661E
analogous
#1E989F #1E579F #251E9F
triadic
#1E579F #9F1E57 #579F1E
tetradic
#1E579F #9F1E98 #9F661E #1E9F25
square
#1E579F #9F1E98 #9F661E #1E9F25
split-complementary
#1E579F #9F251E #989F1E
monochromatic
#0B1F38 #143B6C #1E579F #2873D2 #5894DF

Accessibility & contrast

On white

7.19
#1E579F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.92
#1E579F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E579F
7.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1E579F#FFFFFF#000000##FFFFFF
##1E579F1.007.192.927.19
#FFFFFF7.191.0021.001.00
#0000002.9221.001.0021.00
##FFFFFF7.191.0021.001.00

Color blindness preview

Protanopia (red-blind)
#315EA2
Deuteranopia (green-blind)
#15529E
Tritanopia (blue-blind)
#006873
Achromatopsia (no color)
#575757

Design tokens & code

CSS
--color: #1e579f;
/* rgb */ color: rgb(30, 87, 159);
/* oklch */ color: oklch(46.0% 0.131 256.2);
Tailwind
colors: {
  custom: {
    50: '#6f85bc',
    500: '#1e579f',
    950: '#000000',
  },
}
SCSS
$custom: #1e579f;
$custom-light: #6f85bc;
$custom-dark: #000000;
JSON
{
  "hex": "#1e579f",
  "rgb": {
    "r": 30,
    "g": 87,
    "b": 159
  },
  "hsl": {
    "h": 213.488,
    "s": 68.254,
    "l": 37.059
  },
  "oklch": {
    "l": 0.46016,
    "c": 0.13074,
    "h": 256.2
  },
  "luminance": 0.09596
}

Semantic roles & 50–950 ramp

primary
#1E579F
secondary
#C39356
accent
#9E3DEB
background
#F7F8FB
surface
#EDEFF6
border
#C8CAD0
text
#090B12
muted
#7B7C81

Preview Lab

Preview with #1E579F

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

Preview Lab → · Contrast checker → · Palette generator →

#1E579F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva