#2B73CC#2B73CC

#2B73CC is a mid, vivid cyan. Relative luminance 0.171; OKLCH L 55.8% C 0.155 H 255.8°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#2B73CC
RGB	rgb(43, 115, 204)
HSL	hsl(213, 65%, 48%)
HSV	hsv(213, 79%, 80%)
CMYK	cmyk(78.9%, 43.6%, 0%, 20%)
CIE-LAB	lab(48.43, 9.55, -52.41)
CIE-LCH	lch(48.43, 53.27, 280.33°)
OKLab	oklab(55.79% -0.038 -0.1502)
OKLCH	oklch(55.79% 0.155 255.8)
XYZ	xyz(18.0220, 17.1325, 59.4721)
Luminance	0.1714 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B73CC #CC842B

analogous

#2BC3CC #2B73CC #342BCC

triadic

#2B73CC #CC2B73 #73CC2B

tetradic

#2B73CC #CC2BC3 #CC842B #2BCC34

square

#2B73CC #CC2BC3 #CC842B #2BCC34

split-complementary

#2B73CC #CC342B #C3CC2B

monochromatic

#163A67 #205799 #2B73CC #5893DC #8BB4E7

Accessibility & contrast

On white

4.74

#2B73CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#2B73CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B73CC

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B73CC	#FFFFFF	#000000	##FFFFFF
##2B73CC	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#467BCF

Deuteranopia (green-blind)

#256CCA

Tritanopia (blue-blind)

#008895

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #2b73cc;
/* rgb */ color: rgb(43, 115, 204);
/* oklch */ color: oklch(55.8% 0.155 255.8);

Tailwind

colors: {
  custom: {
    50: '#7d9adc',
    500: '#2b73cc',
    950: '#000000',
  },
}

SCSS

$custom: #2b73cc;
$custom-light: #7d9adc;
$custom-dark: #000000;

JSON

{
  "hex": "#2b73cc",
  "rgb": {
    "r": 43,
    "g": 115,
    "b": 204
  },
  "hsl": {
    "h": 213.168,
    "s": 65.182,
    "l": 48.431
  },
  "oklch": {
    "l": 0.5579,
    "c": 0.15493,
    "h": 255.8
  },
  "luminance": 0.17135
}

Semantic roles & 50–950 ramp

primary

#2B73CC

secondary

#D0AE82

accent

#9D40E8

background

#F8F9FD

surface

#EFF2FB

border

#CACCD4

text

#0B0E15

muted

#7C7E83

Preview Lab

Preview with #2B73CC

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

Preview Lab → · Contrast checker → · Palette generator →