#2B73B9#2B73B9

#2B73B9 is a mid, vivid cyan. Relative luminance 0.163; OKLCH L 54.6% C 0.130 H 251.0°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#2B73B9
RGB	rgb(43, 115, 185)
HSL	hsl(210, 62%, 45%)
HSV	hsv(210, 77%, 73%)
CMYK	cmyk(76.8%, 37.8%, 0%, 27.5%)
CIE-LAB	lab(47.33, 2.40, -43.22)
CIE-LCH	lch(47.33, 43.29, 273.17°)
OKLab	oklab(54.59% -0.0424 -0.1232)
OKLCH	oklch(54.59% 0.13 251)
XYZ	xyz(15.8806, 16.2760, 48.1941)
Luminance	0.1628 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B73B9 #B9712B

analogous

#2BB9B8 #2B73B9 #2B2CB9

triadic

#2B73B9 #B92B73 #73B92B

tetradic

#2B73B9 #B82BB9 #B9712B #2CB92B

square

#2B73B9 #B82BB9 #B9712B #2CB92B

split-complementary

#2B73B9 #B92B2C #B9B82B

monochromatic

#143556 #1F5487 #2B73B9 #4C92D5 #7EB0E1

Accessibility & contrast

On white

4.93

#2B73B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#2B73B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B73B9

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B73B9	#FFFFFF	#000000	##FFFFFF
##2B73B9	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)

#5277BC

Deuteranopia (green-blind)

#3C6AB8

Tritanopia (blue-blind)

#00848D

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #2b73b9;
/* rgb */ color: rgb(43, 115, 185);
/* oklch */ color: oklch(54.6% 0.130 251.0);

Tailwind

colors: {
  custom: {
    50: '#799ace',
    500: '#2b73b9',
    950: '#000000',
  },
}

SCSS

$custom: #2b73b9;
$custom-light: #799ace;
$custom-dark: #000000;

JSON

{
  "hex": "#2b73b9",
  "rgb": {
    "r": 43,
    "g": 115,
    "b": 185
  },
  "hsl": {
    "h": 209.577,
    "s": 62.281,
    "l": 44.706
  },
  "oklch": {
    "l": 0.54586,
    "c": 0.1303,
    "h": 251
  },
  "luminance": 0.16278
}

Semantic roles & 50–950 ramp

primary

#2B73B9

secondary

#C99F76

accent

#9342E5

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2B73B9

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

Preview Lab → · Contrast checker → · Palette generator →