#2573A8#2573A8

#2573A8 is a mid, moderate cyan. Relative luminance 0.155; OKLCH L 53.4% C 0.111 H 243.1°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#2573A8
RGB	rgb(37, 115, 168)
HSL	hsl(204, 64%, 40%)
HSV	hsv(204, 78%, 66%)
CMYK	cmyk(78%, 31.5%, 0%, 34.1%)
CIE-LAB	lab(46.29, -4.67, -35.00)
CIE-LCH	lch(46.29, 35.31, 262.40°)
OKLab	oklab(53.42% -0.0504 -0.0992)
OKLCH	oklch(53.42% 0.111 243.1)
XYZ	xyz(13.9588, 15.4803, 39.2905)
Luminance	0.1548 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2573A8 #A85A25

analogous

#25A89B #2573A8 #2531A8

triadic

#2573A8 #A82573 #73A825

tetradic

#2573A8 #9B25A8 #A85A25 #31A825

square

#2573A8 #9B25A8 #A85A25 #31A825

split-complementary

#2573A8 #A82531 #A89B25

monochromatic

#0F2E44 #1A5176 #2573A8 #3794D3 #69AFDE

Accessibility & contrast

On white

5.13

#2573A8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#2573A8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2573A8

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2573A8	#FFFFFF	#000000	##FFFFFF
##2573A8	1.00	5.13	4.10	5.13
#FFFFFF	5.13	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A74AA

Deuteranopia (green-blind)

#4868A7

Tritanopia (blue-blind)

#008086

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #2573a8;
/* rgb */ color: rgb(37, 115, 168);
/* oklch */ color: oklch(53.4% 0.111 243.1);

Tailwind

colors: {
  custom: {
    50: '#739bc2',
    500: '#2573a8',
    950: '#000000',
  },
}

SCSS

$custom: #2573a8;
$custom-light: #739bc2;
$custom-dark: #000000;

JSON

{
  "hex": "#2573a8",
  "rgb": {
    "r": 37,
    "g": 115,
    "b": 168
  },
  "hsl": {
    "h": 204.275,
    "s": 63.902,
    "l": 40.196
  },
  "oklch": {
    "l": 0.53424,
    "c": 0.11128,
    "h": 243.1
  },
  "luminance": 0.15482
}

Semantic roles & 50–950 ramp

primary

#2573A8

secondary

#C48B65

accent

#8441E7

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #2573A8

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

Preview Lab → · Contrast checker → · Palette generator →