#4C73CA#4C73CA

#4C73CA is a mid, vivid blue. Relative luminance 0.181; OKLCH L 57.0% C 0.141 H 264.2°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#4C73CA
RGB	rgb(76, 115, 202)
HSL	hsl(221, 54%, 55%)
HSV	hsv(221, 62%, 79%)
CMYK	cmyk(62.4%, 43.1%, 0%, 20.8%)
CIE-LAB	lab(49.57, 13.62, -49.36)
CIE-LCH	lch(49.57, 51.21, 285.42°)
OKLab	oklab(56.98% -0.0142 -0.1407)
OKLCH	oklch(56.98% 0.141 264.2)
XYZ	xyz(19.7682, 18.0605, 58.3099)
Luminance	0.1806 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C73CA #CAA34C

analogous

#4CB2CA #4C73CA #644CCA

triadic

#4C73CA #CA4C73 #73CA4C

tetradic

#4C73CA #CA4CB2 #CAA34C #4CCA64

square

#4C73CA #CA4CB2 #CAA34C #4CCA64

split-complementary

#4C73CA #CA644C #B2CA4C

monochromatic

#243E78 #3256A7 #4C73CA #7B98D8 #AABDE6

Accessibility & contrast

On white

4.55

#4C73CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#4C73CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C73CA

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C73CA	#FFFFFF	#000000	##000000
##4C73CA	1.00	4.55	4.61	4.61
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B7CCD

Deuteranopia (green-blind)

#3870C8

Tritanopia (blue-blind)

#008795

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4c73ca;
/* rgb */ color: rgb(76, 115, 202);
/* oklch */ color: oklch(57.0% 0.141 264.2);

Tailwind

colors: {
  custom: {
    50: '#899ada',
    500: '#4c73ca',
    950: '#000000',
  },
}

SCSS

$custom: #4c73ca;
$custom-light: #899ada;
$custom-dark: #000000;

JSON

{
  "hex": "#4c73ca",
  "rgb": {
    "r": 76,
    "g": 115,
    "b": 202
  },
  "hsl": {
    "h": 221.429,
    "s": 54.31,
    "l": 54.51
  },
  "oklch": {
    "l": 0.56984,
    "c": 0.14146,
    "h": 264.2
  },
  "luminance": 0.18062
}

Semantic roles & 50–950 ramp

primary

#4C73CA

secondary

#D4C39E

accent

#B04ADE

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0E15

muted

#7D7E83

Preview Lab

Preview with #4C73CA

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

Preview Lab → · Contrast checker → · Palette generator →