#2D73B9#2D73B9

#2D73B9 is a mid, vivid cyan. Relative luminance 0.163; OKLCH L 54.6% C 0.130 H 251.5°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#2D73B9
RGB	rgb(45, 115, 185)
HSL	hsl(210, 61%, 45%)
HSV	hsv(210, 76%, 73%)
CMYK	cmyk(75.7%, 37.8%, 0%, 27.5%)
CIE-LAB	lab(47.39, 2.64, -43.13)
CIE-LCH	lch(47.39, 43.21, 273.51°)
OKLab	oklab(54.65% -0.0412 -0.1229)
OKLCH	oklch(54.65% 0.13 251.5)
XYZ	xyz(15.9666, 16.3203, 48.1982)
Luminance	0.1632 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D73B9 #B9732D

analogous

#2DB9B9 #2D73B9 #2D2DB9

triadic

#2D73B9 #B92D73 #73B92D

tetradic

#2D73B9 #B92DB9 #B9732D #2DB92D

square

#2D73B9 #B92DB9 #B9732D #2DB92D

split-complementary

#2D73B9 #B92D2D #B9B92D

monochromatic

#153657 #215488 #2D73B9 #4F92D4 #80B0E0

Accessibility & contrast

On white

4.92

#2D73B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#2D73B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2D73B9

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D73B9	#FFFFFF	#000000	##FFFFFF
##2D73B9	1.00	4.92	4.26	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5277BC

Deuteranopia (green-blind)

#3D6BB8

Tritanopia (blue-blind)

#00848D

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #2d73b9;
/* rgb */ color: rgb(45, 115, 185);
/* oklch */ color: oklch(54.6% 0.130 251.5);

Tailwind

colors: {
  custom: {
    50: '#799ace',
    500: '#2d73b9',
    950: '#000000',
  },
}

SCSS

$custom: #2d73b9;
$custom-light: #799ace;
$custom-dark: #000000;

JSON

{
  "hex": "#2d73b9",
  "rgb": {
    "r": 45,
    "g": 115,
    "b": 185
  },
  "hsl": {
    "h": 210,
    "s": 60.87,
    "l": 45.098
  },
  "oklch": {
    "l": 0.54647,
    "c": 0.12964,
    "h": 251.5
  },
  "luminance": 0.16322
}

Semantic roles & 50–950 ramp

primary

#2D73B9

secondary

#C9A179

accent

#9444E4

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2D73B9

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

Preview Lab → · Contrast checker → · Palette generator →