#2573C4#2573C4

#2573C4 is a mid, vivid cyan. Relative luminance 0.166; OKLCH L 55.1% C 0.146 H 253.0°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#2573C4
RGB	rgb(37, 115, 196)
HSL	hsl(211, 68%, 46%)
HSV	hsv(211, 81%, 77%)
CMYK	cmyk(81.1%, 41.3%, 0%, 23.1%)
CIE-LAB	lab(47.80, 5.90, -48.83)
CIE-LCH	lch(47.80, 49.19, 276.89°)
OKLab	oklab(55.11% -0.0428 -0.1397)
OKLCH	oklch(55.11% 0.146 253)
XYZ	xyz(16.8537, 16.6382, 54.5371)
Luminance	0.1664 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2573C4 #C47625

analogous

#25C2C4 #2573C4 #2725C4

triadic

#2573C4 #C42573 #73C425

tetradic

#2573C4 #C425C2 #C47625 #25C427

square

#2573C4 #C425C2 #C47625 #25C427

split-complementary

#2573C4 #C42725 #C2C425

monochromatic

#12375D #1B5591 #2573C4 #4992DD #7DB1E6

Accessibility & contrast

On white

4.85

#2573C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#2573C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2573C4

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2573C4	#FFFFFF	#000000	##FFFFFF
##2573C4	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B79C7

Deuteranopia (green-blind)

#2F6BC2

Tritanopia (blue-blind)

#008692

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #2573c4;
/* rgb */ color: rgb(37, 115, 196);
/* oklch */ color: oklch(55.1% 0.146 253.0);

Tailwind

colors: {
  custom: {
    50: '#799ad6',
    500: '#2573c4',
    950: '#000000',
  },
}

SCSS

$custom: #2573c4;
$custom-light: #799ad6;
$custom-dark: #000000;

JSON

{
  "hex": "#2573c4",
  "rgb": {
    "r": 37,
    "g": 115,
    "b": 196
  },
  "hsl": {
    "h": 210.566,
    "s": 68.24,
    "l": 45.686
  },
  "oklch": {
    "l": 0.55108,
    "c": 0.14616,
    "h": 253
  },
  "luminance": 0.1664
}

Semantic roles & 50–950 ramp

primary

#2573C4

secondary

#CFA376

accent

#963DEB

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #2573C4

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

Preview Lab → · Contrast checker → · Palette generator →