#2A73CC#2A73CC

#2A73CC is a mid, vivid cyan. Relative luminance 0.171; OKLCH L 55.8% C 0.155 H 255.6°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#2A73CC
RGB	rgb(42, 115, 204)
HSL	hsl(213, 66%, 48%)
HSV	hsv(213, 79%, 80%)
CMYK	cmyk(79.4%, 43.6%, 0%, 20%)
CIE-LAB	lab(48.40, 9.44, -52.45)
CIE-LCH	lch(48.40, 53.29, 280.21°)
OKLab	oklab(55.76% -0.0386 -0.1503)
OKLCH	oklch(55.76% 0.155 255.6)
XYZ	xyz(17.9806, 17.1112, 59.4702)
Luminance	0.1711 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A73CC #CC832A

analogous

#2AC4CC #2A73CC #322ACC

triadic

#2A73CC #CC2A73 #73CC2A

tetradic

#2A73CC #CC2AC4 #CC832A #2ACC32

square

#2A73CC #CC2AC4 #CC832A #2ACC32

split-complementary

#2A73CC #CC322A #C4CC2A

monochromatic

#153A66 #205699 #2A73CC #5793DC #8AB4E7

Accessibility & contrast

On white

4.75

#2A73CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#2A73CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A73CC

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A73CC	#FFFFFF	#000000	##FFFFFF
##2A73CC	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#457BCF

Deuteranopia (green-blind)

#256CCA

Tritanopia (blue-blind)

#008895

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #2a73cc;
/* rgb */ color: rgb(42, 115, 204);
/* oklch */ color: oklch(55.8% 0.155 255.6);

Tailwind

colors: {
  custom: {
    50: '#7c9adc',
    500: '#2a73cc',
    950: '#000000',
  },
}

SCSS

$custom: #2a73cc;
$custom-light: #7c9adc;
$custom-dark: #000000;

JSON

{
  "hex": "#2a73cc",
  "rgb": {
    "r": 42,
    "g": 115,
    "b": 204
  },
  "hsl": {
    "h": 212.963,
    "s": 65.854,
    "l": 48.235
  },
  "oklch": {
    "l": 0.55762,
    "c": 0.15521,
    "h": 255.6
  },
  "luminance": 0.17113
}

Semantic roles & 50–950 ramp

primary

#2A73CC

secondary

#D1AD81

accent

#9C3FE9

background

#F8F9FD

surface

#EFF2FB

border

#CACCD4

text

#0B0E15

muted

#7C7E83

Preview Lab

Preview with #2A73CC

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

Preview Lab → · Contrast checker → · Palette generator →