#2579A3#2579A3

#2579A3 is a mid, moderate cyan. Relative luminance 0.167; OKLCH L 54.6% C 0.101 H 235.2°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#2579A3
RGB	rgb(37, 121, 163)
HSL	hsl(200, 63%, 39%)
HSV	hsv(200, 77%, 64%)
CMYK	cmyk(77.3%, 25.8%, 0%, 36.1%)
CIE-LAB	lab(47.89, -10.04, -29.55)
CIE-LCH	lch(47.89, 31.21, 251.24°)
OKLab	oklab(54.62% -0.0578 -0.0833)
OKLCH	oklch(54.62% 0.101 235.2)
XYZ	xyz(14.2085, 16.7107, 37.1199)
Luminance	0.1671 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2579A3 #A34F25

analogous

#25A38E #2579A3 #253AA3

triadic

#2579A3 #A32579 #79A325

tetradic

#2579A3 #8E25A3 #A34F25 #3AA325

square

#2579A3 #8E25A3 #A34F25 #3AA325

split-complementary

#2579A3 #A3253A #A38E25

monochromatic

#0E2F3F #1A5471 #2579A3 #349DD1 #66B5DC

Accessibility & contrast

On white

4.84

#2579A3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#2579A3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2579A3

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2579A3	#FFFFFF	#000000	##FFFFFF
##2579A3	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6578A5

Deuteranopia (green-blind)

#546CA2

Tritanopia (blue-blind)

#008487

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #2579a3;
/* rgb */ color: rgb(37, 121, 163);
/* oklch */ color: oklch(54.6% 0.101 235.2);

Tailwind

colors: {
  custom: {
    50: '#739fbe',
    500: '#2579a3',
    950: '#000000',
  },
}

SCSS

$custom: #2579a3;
$custom-light: #739fbe;
$custom-dark: #000000;

JSON

{
  "hex": "#2579a3",
  "rgb": {
    "r": 37,
    "g": 121,
    "b": 163
  },
  "hsl": {
    "h": 200,
    "s": 63,
    "l": 39.216
  },
  "oklch": {
    "l": 0.54621,
    "c": 0.10146,
    "h": 235.2
  },
  "luminance": 0.16712
}

Semantic roles & 50–950 ramp

primary

#2579A3

secondary

#C28262

accent

#7942E6

background

#F7F9FB

surface

#EDF2F7

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #2579A3

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

Preview Lab → · Contrast checker → · Palette generator →