#4D73B2#4D73B2

#4D73B2 is a mid, moderate blue. Relative luminance 0.171; OKLCH L 55.6% C 0.108 H 260.1°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#4D73B2
RGB	rgb(77, 115, 178)
HSL	hsl(217, 40%, 50%)
HSV	hsv(217, 57%, 70%)
CMYK	cmyk(56.7%, 35.4%, 0%, 30.2%)
CIE-LAB	lab(48.33, 5.68, -37.51)
CIE-LCH	lch(48.33, 37.94, 278.61°)
OKLab	oklab(55.61% -0.0186 -0.106)
OKLCH	oklch(55.61% 0.108 260.1)
XYZ	xyz(17.2244, 17.0522, 44.4946)
Luminance	0.1705 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D73B2 #B28C4D

analogous

#4DA5B2 #4D73B2 #5A4DB2

triadic

#4D73B2 #B24D73 #73B24D

tetradic

#4D73B2 #B24DA5 #B28C4D #4DB25A

square

#4D73B2 #B24DA5 #B28C4D #4DB25A

split-complementary

#4D73B2 #B25A4D #A5B24D

monochromatic

#283C5D #3B5787 #4D73B2 #7895C4 #A2B6D7

Accessibility & contrast

On white

4.76

#4D73B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#4D73B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D73B2

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D73B2	#FFFFFF	#000000	##FFFFFF
##4D73B2	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5978B5

Deuteranopia (green-blind)

#4D6EB1

Tritanopia (blue-blind)

#01818A

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4d73b2;
/* rgb */ color: rgb(77, 115, 178);
/* oklch */ color: oklch(55.6% 0.108 260.1);

Tailwind

colors: {
  custom: {
    50: '#869bc9',
    500: '#4d73b2',
    950: '#000000',
  },
}

SCSS

$custom: #4d73b2;
$custom-light: #869bc9;
$custom-dark: #000000;

JSON

{
  "hex": "#4d73b2",
  "rgb": {
    "r": 77,
    "g": 115,
    "b": 178
  },
  "hsl": {
    "h": 217.426,
    "s": 39.608,
    "l": 50
  },
  "oklch": {
    "l": 0.55614,
    "c": 0.10765,
    "h": 260.1
  },
  "luminance": 0.17054
}

Semantic roles & 50–950 ramp

primary

#4D73B2

secondary

#C4B397

accent

#A358CF

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0E13

muted

#7D7E82

Preview Lab

Preview with #4D73B2

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

Preview Lab → · Contrast checker → · Palette generator →