#4C73CC#4C73CC

#4C73CC is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.1% C 0.144 H 264.5°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#4C73CC
RGB	rgb(76, 115, 204)
HSL	hsl(222, 56%, 55%)
HSV	hsv(222, 63%, 80%)
CMYK	cmyk(62.7%, 43.6%, 0%, 20%)
CIE-LAB	lab(49.68, 14.30, -50.32)
CIE-LCH	lch(49.68, 52.32, 285.87°)
OKLab	oklab(57.11% -0.0139 -0.1436)
OKLCH	oklch(57.11% 0.144 264.5)
XYZ	xyz(20.0065, 18.1558, 59.5651)
Luminance	0.1816 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C73CC #CCA54C

analogous

#4CB3CC #4C73CC #654CCC

triadic

#4C73CC #CC4C73 #73CC4C

tetradic

#4C73CC #CC4CB3 #CCA54C #4CCC65

square

#4C73CC #CC4CB3 #CCA54C #4CCC65

split-complementary

#4C73CC #CC654C #B3CC4C

monochromatic

#233E7B #3156AA #4C73CC #7C98DA #ABBEE7

Accessibility & contrast

On white

4.53

#4C73CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#4C73CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C73CC

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C73CC	#FFFFFF	#000000	##000000
##4C73CC	1.00	4.53	4.63	4.63
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A7CCF

Deuteranopia (green-blind)

#3671CA

Tritanopia (blue-blind)

#008795

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4c73cc;
/* rgb */ color: rgb(76, 115, 204);
/* oklch */ color: oklch(57.1% 0.144 264.5);

Tailwind

colors: {
  custom: {
    50: '#8a9adc',
    500: '#4c73cc',
    950: '#000000',
  },
}

SCSS

$custom: #4c73cc;
$custom-light: #8a9adc;
$custom-dark: #000000;

JSON

{
  "hex": "#4c73cc",
  "rgb": {
    "r": 76,
    "g": 115,
    "b": 204
  },
  "hsl": {
    "h": 221.719,
    "s": 55.652,
    "l": 54.902
  },
  "oklch": {
    "l": 0.5711,
    "c": 0.14423,
    "h": 264.5
  },
  "luminance": 0.18158
}

Semantic roles & 50–950 ramp

primary

#4C73CC

secondary

#D5C49F

accent

#B149DF

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #4C73CC

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

Preview Lab → · Contrast checker → · Palette generator →