#2579A0#2579A0

#2579A0 is a mid, moderate cyan. Relative luminance 0.166; OKLCH L 54.5% C 0.098 H 233.2°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#2579A0
RGB	rgb(37, 121, 160)
HSL	hsl(199, 62%, 39%)
HSV	hsv(199, 77%, 63%)
CMYK	cmyk(76.9%, 24.4%, 0%, 37.3%)
CIE-LAB	lab(47.76, -11.12, -28.01)
CIE-LCH	lch(47.76, 30.14, 248.35°)
OKLab	oklab(54.47% -0.0589 -0.0789)
OKLCH	oklch(54.47% 0.098 233.2)
XYZ	xyz(13.9429, 16.6045, 35.7210)
Luminance	0.1661 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2579A0 #A04C25

analogous

#25A089 #2579A0 #253BA0

triadic

#2579A0 #A02579 #79A025

tetradic

#2579A0 #8925A0 #A04C25 #3BA025

square

#2579A0 #8925A0 #A04C25 #3BA025

split-complementary

#2579A0 #A0253B #A08925

monochromatic

#0E2E3D #1A536E #2579A0 #329ED0 #64B5DB

Accessibility & contrast

On white

4.86

#2579A0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#2579A0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2579A0

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2579A0	#FFFFFF	#000000	##FFFFFF
##2579A0	1.00	4.86	4.32	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6678A2

Deuteranopia (green-blind)

#556C9F

Tritanopia (blue-blind)

#008386

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #2579a0;
/* rgb */ color: rgb(37, 121, 160);
/* oklch */ color: oklch(54.5% 0.098 233.2);

Tailwind

colors: {
  custom: {
    50: '#729fbc',
    500: '#2579a0',
    950: '#000000',
  },
}

SCSS

$custom: #2579a0;
$custom-light: #729fbc;
$custom-dark: #000000;

JSON

{
  "hex": "#2579a0",
  "rgb": {
    "r": 37,
    "g": 121,
    "b": 160
  },
  "hsl": {
    "h": 199.024,
    "s": 62.437,
    "l": 38.627
  },
  "oklch": {
    "l": 0.54468,
    "c": 0.09846,
    "h": 233.2
  },
  "luminance": 0.16606
}

Semantic roles & 50–950 ramp

primary

#2579A0

secondary

#C17F60

accent

#7642E6

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #2579A0

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

Preview Lab → · Contrast checker → · Palette generator →