#2B73B4#2B73B4

#2B73B4 is a mid, vivid cyan. Relative luminance 0.161; OKLCH L 54.3% C 0.124 H 249.4°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#2B73B4
RGB	rgb(43, 115, 180)
HSL	hsl(208, 61%, 44%)
HSV	hsv(208, 76%, 71%)
CMYK	cmyk(76.1%, 36.1%, 0%, 29.4%)
CIE-LAB	lab(47.06, 0.53, -40.75)
CIE-LCH	lch(47.06, 40.76, 270.74°)
OKLab	oklab(54.29% -0.0437 -0.116)
OKLCH	oklch(54.29% 0.124 249.4)
XYZ	xyz(15.3621, 16.0686, 45.4631)
Luminance	0.1607 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B73B4 #B46C2B

analogous

#2BB4B0 #2B73B4 #2B2EB4

triadic

#2B73B4 #B42B73 #73B42B

tetradic

#2B73B4 #B02BB4 #B46C2B #2EB42B

square

#2B73B4 #B02BB4 #B46C2B #2EB42B

split-complementary

#2B73B4 #B42B2E #B4B02B

monochromatic

#133451 #1F5383 #2B73B4 #4992D3 #7AAFDF

Accessibility & contrast

On white

4.98

#2B73B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#2B73B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B73B4

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B73B4	#FFFFFF	#000000	##FFFFFF
##2B73B4	1.00	4.98	4.21	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5577B7

Deuteranopia (green-blind)

#416AB3

Tritanopia (blue-blind)

#00828B

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #2b73b4;
/* rgb */ color: rgb(43, 115, 180);
/* oklch */ color: oklch(54.3% 0.124 249.4);

Tailwind

colors: {
  custom: {
    50: '#789acb',
    500: '#2b73b4',
    950: '#000000',
  },
}

SCSS

$custom: #2b73b4;
$custom-light: #789acb;
$custom-dark: #000000;

JSON

{
  "hex": "#2b73b4",
  "rgb": {
    "r": 43,
    "g": 115,
    "b": 180
  },
  "hsl": {
    "h": 208.467,
    "s": 61.435,
    "l": 43.725
  },
  "oklch": {
    "l": 0.54286,
    "c": 0.12393,
    "h": 249.4
  },
  "luminance": 0.1607
}

Semantic roles & 50–950 ramp

primary

#2B73B4

secondary

#C79B73

accent

#9043E5

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2B73B4

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

Preview Lab → · Contrast checker → · Palette generator →