#2C73B3#2C73B3

#2C73B3 is a mid, vivid cyan. Relative luminance 0.161; OKLCH L 54.3% C 0.122 H 249.2°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#2C73B3
RGB	rgb(44, 115, 179)
HSL	hsl(208, 61%, 44%)
HSV	hsv(208, 75%, 70%)
CMYK	cmyk(75.4%, 35.8%, 0%, 29.8%)
CIE-LAB	lab(47.04, 0.28, -40.21)
CIE-LCH	lch(47.04, 40.21, 270.41°)
OKLab	oklab(54.26% -0.0434 -0.1144)
OKLCH	oklch(54.26% 0.122 249.2)
XYZ	xyz(15.3030, 16.0499, 44.9305)
Luminance	0.1605 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C73B3 #B36C2C

analogous

#2CB3AF #2C73B3 #2C30B3

triadic

#2C73B3 #B32C73 #73B32C

tetradic

#2C73B3 #AF2CB3 #B36C2C #30B32C

square

#2C73B3 #AF2CB3 #B36C2C #30B32C

split-complementary

#2C73B3 #B32C30 #B3AF2C

monochromatic

#143451 #205382 #2C73B3 #4A92D2 #7BAFDF

Accessibility & contrast

On white

4.99

#2C73B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#2C73B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2C73B3

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C73B3	#FFFFFF	#000000	##FFFFFF
##2C73B3	1.00	4.99	4.21	4.99
#FFFFFF	4.99	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5576B6

Deuteranopia (green-blind)

#426AB2

Tritanopia (blue-blind)

#00828A

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #2c73b3;
/* rgb */ color: rgb(44, 115, 179);
/* oklch */ color: oklch(54.3% 0.122 249.2);

Tailwind

colors: {
  custom: {
    50: '#789aca',
    500: '#2c73b3',
    950: '#000000',
  },
}

SCSS

$custom: #2c73b3;
$custom-light: #789aca;
$custom-dark: #000000;

JSON

{
  "hex": "#2c73b3",
  "rgb": {
    "r": 44,
    "g": 115,
    "b": 179
  },
  "hsl": {
    "h": 208.444,
    "s": 60.538,
    "l": 43.725
  },
  "oklch": {
    "l": 0.54257,
    "c": 0.12233,
    "h": 249.2
  },
  "luminance": 0.16052
}

Semantic roles & 50–950 ramp

primary

#2C73B3

secondary

#C79B74

accent

#9044E4

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2C73B3

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

Preview Lab → · Contrast checker → · Palette generator →