#2579A7#2579A7

#2579A7 is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 54.8% C 0.106 H 237.7°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX#2579A7
RGBrgb(37, 121, 167)
HSLhsl(201, 64%, 40%)
HSVhsv(201, 78%, 65%)
CMYKcmyk(77.8%, 27.5%, 0%, 34.5%)
CIE-LABlab(48.08, -8.59, -31.60)
CIE-LCHlch(48.08, 32.75, 254.79°)
OKLaboklab(54.83% -0.0565 -0.0893)
OKLCHoklch(54.83% 0.106 237.7)
XYZxyz(14.5726, 16.8563, 39.0373)
Luminance0.1686 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2579A7 #A75325
analogous
#25A794 #2579A7 #2538A7
triadic
#2579A7 #A72579 #79A725
tetradic
#2579A7 #9425A7 #A75325 #38A725
square
#2579A7 #9425A7 #A75325 #38A725
split-complementary
#2579A7 #A72538 #A79425
monochromatic
#0F3043 #1A5575 #2579A7 #379BD3 #69B4DE

Accessibility & contrast

On white

4.80
#2579A7 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.37
#2579A7 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2579A7
4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2579A7#FFFFFF#000000##FFFFFF
##2579A71.004.804.374.80
#FFFFFF4.801.0021.001.00
#0000004.3721.001.0021.00
##FFFFFF4.801.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6379A9
Deuteranopia (green-blind)
#516DA6
Tritanopia (blue-blind)
#008589
Achromatopsia (no color)
#727272

Design tokens & code

CSS
--color: #2579a7;
/* rgb */ color: rgb(37, 121, 167);
/* oklch */ color: oklch(54.8% 0.106 237.7);
Tailwind
colors: {
  custom: {
    50: '#739fc1',
    500: '#2579a7',
    950: '#000000',
  },
}
SCSS
$custom: #2579a7;
$custom-light: #739fc1;
$custom-dark: #000000;
JSON
{
  "hex": "#2579a7",
  "rgb": {
    "r": 37,
    "g": 121,
    "b": 167
  },
  "hsl": {
    "h": 201.231,
    "s": 63.725,
    "l": 40
  },
  "oklch": {
    "l": 0.54829,
    "c": 0.10563,
    "h": 237.7
  },
  "luminance": 0.16858
}

Semantic roles & 50–950 ramp

primary
#2579A7
secondary
#C48664
accent
#7C41E7
background
#F7F9FB
surface
#EEF2F7
border
#C9CCD0
text
#090E12
muted
#7B7E81

Preview Lab

Preview with #2579A7

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

Preview Lab → · Contrast checker → · Palette generator →

#2579A7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva