#2B73B5#2B73B5

#2B73B5 is a mid, vivid cyan. Relative luminance 0.161; OKLCH L 54.3% C 0.125 H 249.7°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#2B73B5
RGB	rgb(43, 115, 181)
HSL	hsl(209, 62%, 44%)
HSV	hsv(209, 76%, 71%)
CMYK	cmyk(76.2%, 36.5%, 0%, 29%)
CIE-LAB	lab(47.12, 0.90, -41.25)
CIE-LCH	lch(47.12, 41.26, 271.25°)
OKLab	oklab(54.35% -0.0434 -0.1174)
OKLCH	oklch(54.35% 0.125 249.7)
XYZ	xyz(15.4643, 16.1095, 46.0015)
Luminance	0.1611 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B73B5 #B56D2B

analogous

#2BB5B2 #2B73B5 #2B2EB5

triadic

#2B73B5 #B52B73 #73B52B

tetradic

#2B73B5 #B22BB5 #B56D2B #2EB52B

square

#2B73B5 #B22BB5 #B56D2B #2EB52B

split-complementary

#2B73B5 #B52B2E #B5B22B

monochromatic

#143452 #1F5484 #2B73B5 #4992D4 #7BAFE0

Accessibility & contrast

On white

4.97

#2B73B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#2B73B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B73B5

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B73B5	#FFFFFF	#000000	##FFFFFF
##2B73B5	1.00	4.97	4.22	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5477B8

Deuteranopia (green-blind)

#406AB4

Tritanopia (blue-blind)

#00838B

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #2b73b5;
/* rgb */ color: rgb(43, 115, 181);
/* oklch */ color: oklch(54.3% 0.125 249.7);

Tailwind

colors: {
  custom: {
    50: '#789acb',
    500: '#2b73b5',
    950: '#000000',
  },
}

SCSS

$custom: #2b73b5;
$custom-light: #789acb;
$custom-dark: #000000;

JSON

{
  "hex": "#2b73b5",
  "rgb": {
    "r": 43,
    "g": 115,
    "b": 181
  },
  "hsl": {
    "h": 208.696,
    "s": 61.607,
    "l": 43.922
  },
  "oklch": {
    "l": 0.54345,
    "c": 0.12519,
    "h": 249.7
  },
  "luminance": 0.16111
}

Semantic roles & 50–950 ramp

primary

#2B73B5

secondary

#C89C74

accent

#9043E5

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2B73B5

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

Preview Lab → · Contrast checker → · Palette generator →