#2D73B8#2D73B8

#2D73B8 is a mid, vivid cyan. Relative luminance 0.163; OKLCH L 54.6% C 0.128 H 251.2°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#2D73B8
RGB	rgb(45, 115, 184)
HSL	hsl(210, 61%, 45%)
HSV	hsv(210, 76%, 72%)
CMYK	cmyk(75.5%, 37.5%, 0%, 27.8%)
CIE-LAB	lab(47.34, 2.27, -42.64)
CIE-LCH	lch(47.34, 42.70, 273.05°)
OKLab	oklab(54.59% -0.0415 -0.1215)
OKLCH	oklch(54.59% 0.128 251.2)
XYZ	xyz(15.8614, 16.2782, 47.6442)
Luminance	0.1628 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D73B8 #B8722D

analogous

#2DB8B8 #2D73B8 #2D2EB8

triadic

#2D73B8 #B82D73 #73B82D

tetradic

#2D73B8 #B82DB8 #B8722D #2EB82D

square

#2D73B8 #B82DB8 #B8722D #2EB82D

split-complementary

#2D73B8 #B82D2E #B8B82D

monochromatic

#153656 #215487 #2D73B8 #4E92D4 #80B0E0

Accessibility & contrast

On white

4.93

#2D73B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#2D73B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2D73B8

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D73B8	#FFFFFF	#000000	##FFFFFF
##2D73B8	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	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: #2d73b8;
/* rgb */ color: rgb(45, 115, 184);
/* oklch */ color: oklch(54.6% 0.128 251.2);

Tailwind

colors: {
  custom: {
    50: '#799ace',
    500: '#2d73b8',
    950: '#000000',
  },
}

SCSS

$custom: #2d73b8;
$custom-light: #799ace;
$custom-dark: #000000;

JSON

{
  "hex": "#2d73b8",
  "rgb": {
    "r": 45,
    "g": 115,
    "b": 184
  },
  "hsl": {
    "h": 209.784,
    "s": 60.699,
    "l": 44.902
  },
  "oklch": {
    "l": 0.54586,
    "c": 0.12835,
    "h": 251.2
  },
  "luminance": 0.1628
}

Semantic roles & 50–950 ramp

primary

#2D73B8

secondary

#C9A078

accent

#9344E4

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2D73B8

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

Preview Lab → · Contrast checker → · Palette generator →