#4D73CB#4D73CB

#4D73CB is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.1% C 0.142 H 264.7°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#4D73CB
RGB	rgb(77, 115, 203)
HSL	hsl(222, 55%, 55%)
HSV	hsv(222, 62%, 80%)
CMYK	cmyk(62.1%, 43.3%, 0%, 20.4%)
CIE-LAB	lab(49.68, 14.14, -49.76)
CIE-LCH	lch(49.68, 51.73, 285.87°)
OKLab	oklab(57.1% -0.0131 -0.1419)
OKLCH	oklch(57.1% 0.143 264.7)
XYZ	xyz(19.9671, 18.1493, 58.9393)
Luminance	0.1815 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D73CB #CBA54D

analogous

#4DB2CB #4D73CB #664DCB

triadic

#4D73CB #CB4D73 #73CB4D

tetradic

#4D73CB #CB4DB2 #CBA54D #4DCB66

square

#4D73CB #CB4DB2 #CBA54D #4DCB66

split-complementary

#4D73CB #CB664D #B2CB4D

monochromatic

#243E7A #3156A9 #4D73CB #7C98D9 #ACBEE7

Accessibility & contrast

On white

4.54

#4D73CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#4D73CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D73CB

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D73CB	#FFFFFF	#000000	##000000
##4D73CB	1.00	4.54	4.63	4.63
#FFFFFF	4.54	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)

#4A7CCE

Deuteranopia (green-blind)

#3771C9

Tritanopia (blue-blind)

#008795

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4d73cb;
/* rgb */ color: rgb(77, 115, 203);
/* oklch */ color: oklch(57.1% 0.142 264.7);

Tailwind

colors: {
  custom: {
    50: '#8a9adb',
    500: '#4d73cb',
    950: '#000000',
  },
}

SCSS

$custom: #4d73cb;
$custom-light: #8a9adb;
$custom-dark: #000000;

JSON

{
  "hex": "#4d73cb",
  "rgb": {
    "r": 77,
    "g": 115,
    "b": 203
  },
  "hsl": {
    "h": 221.905,
    "s": 54.783,
    "l": 54.902
  },
  "oklch": {
    "l": 0.57099,
    "c": 0.1425,
    "h": 264.7
  },
  "luminance": 0.18151
}

Semantic roles & 50–950 ramp

primary

#4D73CB

secondary

#D4C49F

accent

#B14ADE

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #4D73CB

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

Preview Lab → · Contrast checker → · Palette generator →