#2573A9#2573A9

#2573A9 is a mid, moderate cyan. Relative luminance 0.155; OKLCH L 53.5% C 0.112 H 243.6°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#2573A9
RGB	rgb(37, 115, 169)
HSL	hsl(205, 64%, 40%)
HSV	hsv(205, 78%, 66%)
CMYK	cmyk(78.1%, 32%, 0%, 33.7%)
CIE-LAB	lab(46.34, -4.30, -35.51)
CIE-LCH	lch(46.34, 35.77, 263.10°)
OKLab	oklab(53.48% -0.0501 -0.1007)
OKLCH	oklch(53.48% 0.112 243.6)
XYZ	xyz(14.0523, 15.5177, 39.7830)
Luminance	0.1552 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2573A9 #A95B25

analogous

#25A99D #2573A9 #2531A9

triadic

#2573A9 #A92573 #73A925

tetradic

#2573A9 #9D25A9 #A95B25 #31A925

square

#2573A9 #9D25A9 #A95B25 #31A925

split-complementary

#2573A9 #A92531 #A99D25

monochromatic

#0F2F45 #1A5177 #2573A9 #3894D3 #6AAFDE

Accessibility & contrast

On white

5.12

#2573A9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#2573A9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2573A9

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2573A9	#FFFFFF	#000000	##FFFFFF
##2573A9	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A75AB

Deuteranopia (green-blind)

#4768A8

Tritanopia (blue-blind)

#008086

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #2573a9;
/* rgb */ color: rgb(37, 115, 169);
/* oklch */ color: oklch(53.5% 0.112 243.6);

Tailwind

colors: {
  custom: {
    50: '#749bc3',
    500: '#2573a9',
    950: '#000000',
  },
}

SCSS

$custom: #2573a9;
$custom-light: #749bc3;
$custom-dark: #000000;

JSON

{
  "hex": "#2573a9",
  "rgb": {
    "r": 37,
    "g": 115,
    "b": 169
  },
  "hsl": {
    "h": 204.545,
    "s": 64.078,
    "l": 40.392
  },
  "oklch": {
    "l": 0.5348,
    "c": 0.11247,
    "h": 243.6
  },
  "luminance": 0.15519
}

Semantic roles & 50–950 ramp

primary

#2573A9

secondary

#C48C65

accent

#8541E7

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #2573A9

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

Preview Lab → · Contrast checker → · Palette generator →