#2C73B8#2C73B8

#2C73B8 is a mid, vivid cyan. Relative luminance 0.163; OKLCH L 54.6% C 0.129 H 250.9°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#2C73B8
RGB	rgb(44, 115, 184)
HSL	hsl(210, 61%, 45%)
HSV	hsv(210, 76%, 72%)
CMYK	cmyk(76.1%, 37.5%, 0%, 27.8%)
CIE-LAB	lab(47.31, 2.15, -42.68)
CIE-LCH	lch(47.31, 42.74, 272.88°)
OKLab	oklab(54.56% -0.042 -0.1216)
OKLCH	oklch(54.56% 0.129 250.9)
XYZ	xyz(15.8179, 16.2558, 47.6421)
Luminance	0.1626 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C73B8 #B8712C

analogous

#2CB8B7 #2C73B8 #2C2DB8

triadic

#2C73B8 #B82C73 #73B82C

tetradic

#2C73B8 #B72CB8 #B8712C #2DB82C

square

#2C73B8 #B72CB8 #B8712C #2DB82C

split-complementary

#2C73B8 #B82C2D #B8B72C

monochromatic

#143555 #205487 #2C73B8 #4D92D4 #7EB0E0

Accessibility & contrast

On white

4.94

#2C73B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#2C73B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2C73B8

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C73B8	#FFFFFF	#000000	##FFFFFF
##2C73B8	1.00	4.94	4.25	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5377BB

Deuteranopia (green-blind)

#3E6AB7

Tritanopia (blue-blind)

#00838D

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #2c73b8;
/* rgb */ color: rgb(44, 115, 184);
/* oklch */ color: oklch(54.6% 0.129 250.9);

Tailwind

colors: {
  custom: {
    50: '#799ace',
    500: '#2c73b8',
    950: '#000000',
  },
}

SCSS

$custom: #2c73b8;
$custom-light: #799ace;
$custom-dark: #000000;

JSON

{
  "hex": "#2c73b8",
  "rgb": {
    "r": 44,
    "g": 115,
    "b": 184
  },
  "hsl": {
    "h": 209.571,
    "s": 61.404,
    "l": 44.706
  },
  "oklch": {
    "l": 0.54555,
    "c": 0.12869,
    "h": 250.9
  },
  "luminance": 0.16258
}

Semantic roles & 50–950 ramp

primary

#2C73B8

secondary

#C99F77

accent

#9343E5

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2C73B8

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

Preview Lab → · Contrast checker → · Palette generator →