#2A73B3#2A73B3

#2A73B3 is a mid, vivid cyan. Relative luminance 0.160; OKLCH L 54.2% C 0.123 H 248.8°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#2A73B3
RGB	rgb(42, 115, 179)
HSL	hsl(208, 62%, 43%)
HSV	hsv(208, 77%, 70%)
CMYK	cmyk(76.5%, 35.8%, 0%, 29.8%)
CIE-LAB	lab(46.98, 0.03, -40.30)
CIE-LCH	lch(46.98, 40.30, 270.05°)
OKLab	oklab(54.2% -0.0445 -0.1147)
OKLCH	oklch(54.2% 0.123 248.8)
XYZ	xyz(15.2192, 16.0066, 44.9266)
Luminance	0.1601 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A73B3 #B36A2A

analogous

#2AB3AE #2A73B3 #2A2FB3

triadic

#2A73B3 #B32A73 #73B32A

tetradic

#2A73B3 #AE2AB3 #B36A2A #2FB32A

square

#2A73B3 #AE2AB3 #B36A2A #2FB32A

split-complementary

#2A73B3 #B32A2F #B3AE2A

monochromatic

#133350 #1E5381 #2A73B3 #4692D4 #78AFDF

Accessibility & contrast

On white

5.00

#2A73B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#2A73B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A73B3

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A73B3	#FFFFFF	#000000	##FFFFFF
##2A73B3	1.00	5.00	4.20	5.00
#FFFFFF	5.00	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5576B6

Deuteranopia (green-blind)

#416AB2

Tritanopia (blue-blind)

#00828A

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #2a73b3;
/* rgb */ color: rgb(42, 115, 179);
/* oklch */ color: oklch(54.2% 0.123 248.8);

Tailwind

colors: {
  custom: {
    50: '#779aca',
    500: '#2a73b3',
    950: '#000000',
  },
}

SCSS

$custom: #2a73b3;
$custom-light: #779aca;
$custom-dark: #000000;

JSON

{
  "hex": "#2a73b3",
  "rgb": {
    "r": 42,
    "g": 115,
    "b": 179
  },
  "hsl": {
    "h": 208.029,
    "s": 61.991,
    "l": 43.333
  },
  "oklch": {
    "l": 0.54197,
    "c": 0.12301,
    "h": 248.8
  },
  "luminance": 0.16008
}

Semantic roles & 50–950 ramp

primary

#2A73B3

secondary

#C79A72

accent

#8F43E5

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2A73B3

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

Preview Lab → · Contrast checker → · Palette generator →