#2A73BB#2A73BB

#2A73BB is a mid, vivid cyan. Relative luminance 0.163; OKLCH L 54.7% C 0.133 H 251.4°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#2A73BB
RGB	rgb(42, 115, 187)
HSL	hsl(210, 63%, 45%)
HSV	hsv(210, 78%, 73%)
CMYK	cmyk(77.5%, 38.5%, 0%, 26.7%)
CIE-LAB	lab(47.42, 3.03, -44.25)
CIE-LCH	lch(47.42, 44.35, 273.91°)
OKLab	oklab(54.68% -0.0424 -0.1262)
OKLCH	oklch(54.68% 0.133 251.4)
XYZ	xyz(16.0518, 16.3397, 49.3120)
Luminance	0.1634 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A73BB #BB722A

analogous

#2ABBBB #2A73BB #2A2BBB

triadic

#2A73BB #BB2A73 #73BB2A

tetradic

#2A73BB #BB2ABB #BB722A #2BBB2A

square

#2A73BB #BB2ABB #BB722A #2BBB2A

split-complementary

#2A73BB #BB2A2B #BBBB2A

monochromatic

#143657 #1F5489 #2A73BB #4C92D7 #7DB0E2

Accessibility & contrast

On white

4.92

#2A73BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#2A73BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A73BB

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A73BB	#FFFFFF	#000000	##FFFFFF
##2A73BB	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5178BE

Deuteranopia (green-blind)

#3A6ABA

Tritanopia (blue-blind)

#00848E

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #2a73bb;
/* rgb */ color: rgb(42, 115, 187);
/* oklch */ color: oklch(54.7% 0.133 251.4);

Tailwind

colors: {
  custom: {
    50: '#799ad0',
    500: '#2a73bb',
    950: '#000000',
  },
}

SCSS

$custom: #2a73bb;
$custom-light: #799ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a73bb",
  "rgb": {
    "r": 42,
    "g": 115,
    "b": 187
  },
  "hsl": {
    "h": 209.793,
    "s": 63.319,
    "l": 44.902
  },
  "oklch": {
    "l": 0.54678,
    "c": 0.13317,
    "h": 251.4
  },
  "luminance": 0.16342
}

Semantic roles & 50–950 ramp

primary

#2A73BB

secondary

#CAA076

accent

#9341E6

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0E14

muted

#7C7E82

Preview Lab

Preview with #2A73BB

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

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