#4C73CF#4C73CF

#4C73CF is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.3% C 0.148 H 264.8°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#4C73CF
RGB	rgb(76, 115, 207)
HSL	hsl(222, 58%, 55%)
HSV	hsv(222, 63%, 81%)
CMYK	cmyk(63.3%, 44.4%, 0%, 18.8%)
CIE-LAB	lab(49.86, 15.34, -51.75)
CIE-LCH	lch(49.86, 53.98, 286.51°)
OKLab	oklab(57.3% -0.0133 -0.1478)
OKLCH	oklch(57.3% 0.148 264.8)
XYZ	xyz(20.3698, 18.3011, 61.4784)
Luminance	0.1830 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C73CF #CFA84C

analogous

#4CB5CF #4C73CF #664CCF

triadic

#4C73CF #CF4C73 #73CF4C

tetradic

#4C73CF #CF4CB5 #CFA84C #4CCF66

square

#4C73CF #CF4CB5 #CFA84C #4CCF66

split-complementary

#4C73CF #CF664C #B5CF4C

monochromatic

#223E7F #2F55AF #4C73CF #7C99DC #ADBEE9

Accessibility & contrast

On white

4.51

#4C73CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#4C73CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C73CF

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C73CF	#FFFFFF	#000000	##000000
##4C73CF	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#477DD2

Deuteranopia (green-blind)

#3271CD

Tritanopia (blue-blind)

#008897

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4c73cf;
/* rgb */ color: rgb(76, 115, 207);
/* oklch */ color: oklch(57.3% 0.148 264.8);

Tailwind

colors: {
  custom: {
    50: '#8a9ade',
    500: '#4c73cf',
    950: '#000000',
  },
}

SCSS

$custom: #4c73cf;
$custom-light: #8a9ade;
$custom-dark: #000000;

JSON

{
  "hex": "#4c73cf",
  "rgb": {
    "r": 76,
    "g": 115,
    "b": 207
  },
  "hsl": {
    "h": 222.137,
    "s": 57.709,
    "l": 55.49
  },
  "oklch": {
    "l": 0.57301,
    "c": 0.14836,
    "h": 264.8
  },
  "luminance": 0.18303
}

Semantic roles & 50–950 ramp

primary

#4C73CF

secondary

#D7C6A0

accent

#B347E1

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #4C73CF

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

Preview Lab → · Contrast checker → · Palette generator →