#4B73DF#4B73DF

#4B73DF is a mid, vivid blue. Relative luminance 0.191; OKLCH L 58.3% C 0.171 H 266.0°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#4B73DF
RGB	rgb(75, 115, 223)
HSL	hsl(224, 70%, 58%)
HSV	hsv(224, 66%, 87%)
CMYK	cmyk(66.4%, 48.4%, 0%, 12.5%)
CIE-LAB	lab(50.78, 20.74, -59.34)
CIE-LCH	lch(50.78, 62.86, 289.26°)
OKLab	oklab(58.31% -0.0119 -0.1701)
OKLCH	oklch(58.31% 0.171 266)
XYZ	xyz(22.3470, 19.0829, 72.3034)
Luminance	0.1908 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B73DF #DFB74B

analogous

#4BBDDF #4B73DF #6D4BDF

triadic

#4B73DF #DF4B73 #73DF4B

tetradic

#4B73DF #DF4BBD #DFB74B #4BDF6D

square

#4B73DF #DF4BBD #DFB74B #4BDF6D

split-complementary

#4B73DF #DF6D4B #BDDF4B

monochromatic

#1B3C95 #2450C9 #4B73DF #7F9BE8 #B3C4F1

Accessibility & contrast

On white

4.36

#4B73DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#4B73DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B73DF

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B73DF	#FFFFFF	#000000	##000000
##4B73DF	1.00	4.36	4.82	4.82
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.82	21.00	1.00	1.00
##000000	4.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3880E3

Deuteranopia (green-blind)

#1073DD

Tritanopia (blue-blind)

#008C9E

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4b73df;
/* rgb */ color: rgb(75, 115, 223);
/* oklch */ color: oklch(58.3% 0.171 266.0);

Tailwind

colors: {
  custom: {
    50: '#8c9aea',
    500: '#4b73df',
    950: '#000000',
  },
}

SCSS

$custom: #4b73df;
$custom-light: #8c9aea;
$custom-dark: #000000;

JSON

{
  "hex": "#4b73df",
  "rgb": {
    "r": 75,
    "g": 115,
    "b": 223
  },
  "hsl": {
    "h": 223.784,
    "s": 69.811,
    "l": 58.431
  },
  "oklch": {
    "l": 0.58308,
    "c": 0.17052,
    "h": 266
  },
  "luminance": 0.19085
}

Semantic roles & 50–950 ramp

primary

#4B73DF

secondary

#E0D0A6

accent

#BD3BED

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4B73DF

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

Preview Lab → · Contrast checker → · Palette generator →