#4D73DB#4D73DB

#4D73DB is a mid, vivid blue. Relative luminance 0.190; OKLCH L 58.1% C 0.164 H 266.3°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#4D73DB
RGB	rgb(77, 115, 219)
HSL	hsl(224, 66%, 58%)
HSV	hsv(224, 65%, 86%)
CMYK	cmyk(64.8%, 47.5%, 0%, 14.1%)
CIE-LAB	lab(50.63, 19.67, -57.33)
CIE-LCH	lch(50.63, 60.61, 288.94°)
OKLab	oklab(58.14% -0.0106 -0.1641)
OKLCH	oklch(58.14% 0.164 266.3)
XYZ	xyz(21.9731, 18.9517, 69.5042)
Luminance	0.1895 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D73DB #DBB54D

analogous

#4DBADB #4D73DB #6E4DDB

triadic

#4D73DB #DB4D73 #73DB4D

tetradic

#4D73DB #DB4DBA #DBB54D #4DDB6E

square

#4D73DB #DB4DBA #DBB54D #4DDB6E

split-complementary

#4D73DB #DB6E4D #BADB4D

monochromatic

#1D3C90 #2751C3 #4D73DB #809BE5 #B3C3F0

Accessibility & contrast

On white

4.38

#4D73DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#4D73DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D73DB

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D73DB	#FFFFFF	#000000	##000000
##4D73DB	1.00	4.38	4.79	4.79
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D7FDF

Deuteranopia (green-blind)

#1E72D9

Tritanopia (blue-blind)

#008B9C

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4d73db;
/* rgb */ color: rgb(77, 115, 219);
/* oklch */ color: oklch(58.1% 0.164 266.3);

Tailwind

colors: {
  custom: {
    50: '#8d9ae7',
    500: '#4d73db',
    950: '#000000',
  },
}

SCSS

$custom: #4d73db;
$custom-light: #8d9ae7;
$custom-dark: #000000;

JSON

{
  "hex": "#4d73db",
  "rgb": {
    "r": 77,
    "g": 115,
    "b": 219
  },
  "hsl": {
    "h": 223.944,
    "s": 66.355,
    "l": 58.039
  },
  "oklch": {
    "l": 0.58137,
    "c": 0.16447,
    "h": 266.3
  },
  "luminance": 0.18954
}

Semantic roles & 50–950 ramp

primary

#4D73DB

secondary

#DECFA6

accent

#BC3FE9

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4D73DB

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

Preview Lab → · Contrast checker → · Palette generator →