#2579A8#2579A8

#2579A8 is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 54.9% C 0.107 H 238.3°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#2579A8
RGB	rgb(37, 121, 168)
HSL	hsl(202, 64%, 40%)
HSV	hsv(202, 78%, 66%)
CMYK	cmyk(78%, 28%, 0%, 34.1%)
CIE-LAB	lab(48.13, -8.23, -32.11)
CIE-LCH	lch(48.13, 33.15, 255.63°)
OKLab	oklab(54.88% -0.0561 -0.0907)
OKLCH	oklch(54.88% 0.107 238.3)
XYZ	xyz(14.6654, 16.8935, 39.5260)
Luminance	0.1689 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2579A8 #A85425

analogous

#25A896 #2579A8 #2537A8

triadic

#2579A8 #A82579 #79A825

tetradic

#2579A8 #9625A8 #A85425 #37A825

square

#2579A8 #9625A8 #A85425 #37A825

split-complementary

#2579A8 #A82537 #A89625

monochromatic

#0F3144 #1A5576 #2579A8 #379BD3 #69B4DE

Accessibility & contrast

On white

4.80

#2579A8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#2579A8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2579A8

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2579A8	#FFFFFF	#000000	##FFFFFF
##2579A8	1.00	4.80	4.38	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6379AA

Deuteranopia (green-blind)

#516DA7

Tritanopia (blue-blind)

#008589

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #2579a8;
/* rgb */ color: rgb(37, 121, 168);
/* oklch */ color: oklch(54.9% 0.107 238.3);

Tailwind

colors: {
  custom: {
    50: '#749fc2',
    500: '#2579a8',
    950: '#000000',
  },
}

SCSS

$custom: #2579a8;
$custom-light: #749fc2;
$custom-dark: #000000;

JSON

{
  "hex": "#2579a8",
  "rgb": {
    "r": 37,
    "g": 121,
    "b": 168
  },
  "hsl": {
    "h": 201.527,
    "s": 63.902,
    "l": 40.196
  },
  "oklch": {
    "l": 0.54882,
    "c": 0.1067,
    "h": 238.3
  },
  "luminance": 0.16895
}

Semantic roles & 50–950 ramp

primary

#2579A8

secondary

#C48765

accent

#7C41E7

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #2579A8

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

Preview Lab → · Contrast checker → · Palette generator →