#4D73CF#4D73CF

#4D73CF is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.4% C 0.148 H 265.2°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#4D73CF
RGB	rgb(77, 115, 207)
HSL	hsl(222, 58%, 56%)
HSV	hsv(222, 63%, 81%)
CMYK	cmyk(62.8%, 44.4%, 0%, 18.8%)
CIE-LAB	lab(49.91, 15.52, -51.67)
CIE-LCH	lch(49.91, 53.95, 286.72°)
OKLab	oklab(57.35% -0.0124 -0.1475)
OKLCH	oklch(57.35% 0.148 265.2)
XYZ	xyz(20.4499, 18.3424, 61.4821)
Luminance	0.1834 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D73CF #CFA94D

analogous

#4DB4CF #4D73CF #684DCF

triadic

#4D73CF #CF4D73 #73CF4D

tetradic

#4D73CF #CF4DB4 #CFA94D #4DCF68

square

#4D73CF #CF4DB4 #CFA94D #4DCF68

split-complementary

#4D73CF #CF684D #B4CF4D

monochromatic

#223D7F #2F55AF #4D73CF #7D99DC #ADBFE9

Accessibility & contrast

On white

4.50

#4D73CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#4D73CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D73CF

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D73CF	#FFFFFF	#000000	##000000
##4D73CF	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#487DD2

Deuteranopia (green-blind)

#3371CD

Tritanopia (blue-blind)

#008897

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4d73cf;
/* rgb */ color: rgb(77, 115, 207);
/* oklch */ color: oklch(57.4% 0.148 265.2);

Tailwind

colors: {
  custom: {
    50: '#8b9ade',
    500: '#4d73cf',
    950: '#000000',
  },
}

SCSS

$custom: #4d73cf;
$custom-light: #8b9ade;
$custom-dark: #000000;

JSON

{
  "hex": "#4d73cf",
  "rgb": {
    "r": 77,
    "g": 115,
    "b": 207
  },
  "hsl": {
    "h": 222.462,
    "s": 57.522,
    "l": 55.686
  },
  "oklch": {
    "l": 0.57352,
    "c": 0.14802,
    "h": 265.2
  },
  "luminance": 0.18344
}

Semantic roles & 50–950 ramp

primary

#4D73CF

secondary

#D7C7A1

accent

#B447E1

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #4D73CF

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

Preview Lab → · Contrast checker → · Palette generator →