#2B73BA#2B73BA

#2B73BA is a mid, vivid cyan. Relative luminance 0.163; OKLCH L 54.6% C 0.132 H 251.3°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#2B73BA
RGB	rgb(43, 115, 186)
HSL	hsl(210, 62%, 45%)
HSV	hsv(210, 77%, 73%)
CMYK	cmyk(76.9%, 38.2%, 0%, 27.1%)
CIE-LAB	lab(47.39, 2.77, -43.71)
CIE-LCH	lch(47.39, 43.80, 273.63°)
OKLab	oklab(54.65% -0.0421 -0.1247)
OKLCH	oklch(54.65% 0.132 251.3)
XYZ	xyz(15.9866, 16.3184, 48.7521)
Luminance	0.1632 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B73BA #BA722B

analogous

#2BBAB9 #2B73BA #2B2CBA

triadic

#2B73BA #BA2B73 #73BA2B

tetradic

#2B73BA #B92BBA #BA722B #2CBA2B

square

#2B73BA #B92BBA #BA722B #2CBA2B

split-complementary

#2B73BA #BA2B2C #BAB92B

monochromatic

#143657 #205488 #2B73BA #4C92D6 #7EB0E1

Accessibility & contrast

On white

4.92

#2B73BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#2B73BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B73BA

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B73BA	#FFFFFF	#000000	##FFFFFF
##2B73BA	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)

#5278BD

Deuteranopia (green-blind)

#3C6AB9

Tritanopia (blue-blind)

#00848D

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #2b73ba;
/* rgb */ color: rgb(43, 115, 186);
/* oklch */ color: oklch(54.6% 0.132 251.3);

Tailwind

colors: {
  custom: {
    50: '#799acf',
    500: '#2b73ba',
    950: '#000000',
  },
}

SCSS

$custom: #2b73ba;
$custom-light: #799acf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b73ba",
  "rgb": {
    "r": 43,
    "g": 115,
    "b": 186
  },
  "hsl": {
    "h": 209.79,
    "s": 62.445,
    "l": 44.902
  },
  "oklch": {
    "l": 0.54646,
    "c": 0.13158,
    "h": 251.3
  },
  "luminance": 0.1632
}

Semantic roles & 50–950 ramp

primary

#2B73BA

secondary

#CAA077

accent

#9342E6

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0E14

muted

#7C7E82

Preview Lab

Preview with #2B73BA

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

Preview Lab → · Contrast checker → · Palette generator →