#2579A9#2579A9

#2579A9 is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 54.9% C 0.108 H 238.8°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#2579A9
RGB	rgb(37, 121, 169)
HSL	hsl(202, 64%, 40%)
HSV	hsv(202, 78%, 66%)
CMYK	cmyk(78.1%, 28.4%, 0%, 33.7%)
CIE-LAB	lab(48.17, -7.86, -32.62)
CIE-LCH	lch(48.17, 33.55, 256.45°)
OKLab	oklab(54.94% -0.0558 -0.0922)
OKLCH	oklch(54.94% 0.108 238.8)
XYZ	xyz(14.7589, 16.9309, 40.0186)
Luminance	0.1693 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2579A9 #A95525

analogous

#25A997 #2579A9 #2537A9

triadic

#2579A9 #A92579 #79A925

tetradic

#2579A9 #9725A9 #A95525 #37A925

square

#2579A9 #9725A9 #A95525 #37A925

split-complementary

#2579A9 #A92537 #A99725

monochromatic

#0F3145 #1A5577 #2579A9 #389BD3 #6AB4DE

Accessibility & contrast

On white

4.79

#2579A9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#2579A9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2579A9

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2579A9	#FFFFFF	#000000	##FFFFFF
##2579A9	1.00	4.79	4.39	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6279AB

Deuteranopia (green-blind)

#506DA8

Tritanopia (blue-blind)

#00858A

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #2579a9;
/* rgb */ color: rgb(37, 121, 169);
/* oklch */ color: oklch(54.9% 0.108 238.8);

Tailwind

colors: {
  custom: {
    50: '#749fc3',
    500: '#2579a9',
    950: '#000000',
  },
}

SCSS

$custom: #2579a9;
$custom-light: #749fc3;
$custom-dark: #000000;

JSON

{
  "hex": "#2579a9",
  "rgb": {
    "r": 37,
    "g": 121,
    "b": 169
  },
  "hsl": {
    "h": 201.818,
    "s": 64.078,
    "l": 40.392
  },
  "oklch": {
    "l": 0.54935,
    "c": 0.10779,
    "h": 238.8
  },
  "luminance": 0.16933
}

Semantic roles & 50–950 ramp

primary

#2579A9

secondary

#C48865

accent

#7D41E7

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #2579A9

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

Preview Lab → · Contrast checker → · Palette generator →