#2573A5#2573A5

#2573A5 is a mid, moderate cyan. Relative luminance 0.154; OKLCH L 53.3% C 0.108 H 241.6°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#2573A5
RGB	rgb(37, 115, 165)
HSL	hsl(203, 63%, 40%)
HSV	hsv(203, 78%, 65%)
CMYK	cmyk(77.6%, 30.3%, 0%, 35.3%)
CIE-LAB	lab(46.14, -5.78, -33.48)
CIE-LCH	lch(46.14, 33.97, 260.20°)
OKLab	oklab(53.26% -0.0513 -0.0948)
OKLCH	oklch(53.26% 0.108 241.6)
XYZ	xyz(13.6826, 15.3698, 37.8356)
Luminance	0.1537 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2573A5 #A55725

analogous

#25A597 #2573A5 #2533A5

triadic

#2573A5 #A52573 #73A525

tetradic

#2573A5 #9725A5 #A55725 #33A525

square

#2573A5 #9725A5 #A55725 #33A525

split-complementary

#2573A5 #A52533 #A59725

monochromatic

#0F2D41 #1A5073 #2573A5 #3595D2 #67AFDD

Accessibility & contrast

On white

5.15

#2573A5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#2573A5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2573A5

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2573A5	#FFFFFF	#000000	##FFFFFF
##2573A5	1.00	5.15	4.07	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C74A7

Deuteranopia (green-blind)

#4A68A4

Tritanopia (blue-blind)

#007F85

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #2573a5;
/* rgb */ color: rgb(37, 115, 165);
/* oklch */ color: oklch(53.3% 0.108 241.6);

Tailwind

colors: {
  custom: {
    50: '#739bc0',
    500: '#2573a5',
    950: '#000000',
  },
}

SCSS

$custom: #2573a5;
$custom-light: #739bc0;
$custom-dark: #000000;

JSON

{
  "hex": "#2573a5",
  "rgb": {
    "r": 37,
    "g": 115,
    "b": 165
  },
  "hsl": {
    "h": 203.438,
    "s": 63.366,
    "l": 39.608
  },
  "oklch": {
    "l": 0.53257,
    "c": 0.1078,
    "h": 241.6
  },
  "luminance": 0.15371
}

Semantic roles & 50–950 ramp

primary

#2573A5

secondary

#C38863

accent

#8241E6

background

#F7F9FB

surface

#EDF2F7

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #2573A5

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

Preview Lab → · Contrast checker → · Palette generator →