#4B73E5#4B73E5

#4B73E5 is a mid, vivid blue. Relative luminance 0.194; OKLCH L 58.7% C 0.179 H 266.4°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#4B73E5
RGB	rgb(75, 115, 229)
HSL	hsl(224, 75%, 60%)
HSV	hsv(224, 67%, 90%)
CMYK	cmyk(67.2%, 49.8%, 0%, 10.2%)
CIE-LAB	lab(51.17, 22.84, -62.10)
CIE-LCH	lch(51.17, 66.17, 290.19°)
OKLab	oklab(58.72% -0.0112 -0.1782)
OKLCH	oklch(58.72% 0.179 266.4)
XYZ	xyz(23.1703, 19.4122, 76.6394)
Luminance	0.1941 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B73E5 #E5BD4B

analogous

#4BC0E5 #4B73E5 #704BE5

triadic

#4B73E5 #E54B73 #73E54B

tetradic

#4B73E5 #E54BC0 #E5BD4B #4BE570

square

#4B73E5 #E54BC0 #E5BD4B #4BE570

split-complementary

#4B73E5 #E5704B #C0E54B

monochromatic

#173A9F #1F4ED4 #4B73E5 #809DED #B6C6F4

Accessibility & contrast

On white

4.30

#4B73E5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#4B73E5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B73E5

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B73E5	#FFFFFF	#000000	##000000
##4B73E5	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3181E9

Deuteranopia (green-blind)

#0073E3

Tritanopia (blue-blind)

#008EA1

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4b73e5;
/* rgb */ color: rgb(75, 115, 229);
/* oklch */ color: oklch(58.7% 0.179 266.4);

Tailwind

colors: {
  custom: {
    50: '#8e9aee',
    500: '#4b73e5',
    950: '#000000',
  },
}

SCSS

$custom: #4b73e5;
$custom-light: #8e9aee;
$custom-dark: #000000;

JSON

{
  "hex": "#4b73e5",
  "rgb": {
    "r": 75,
    "g": 115,
    "b": 229
  },
  "hsl": {
    "h": 224.416,
    "s": 74.757,
    "l": 59.608
  },
  "oklch": {
    "l": 0.58721,
    "c": 0.17857,
    "h": 266.4
  },
  "luminance": 0.19414
}

Semantic roles & 50–950 ramp

primary

#4B73E5

secondary

#E4D4A8

accent

#C136F1

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #4B73E5

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

Preview Lab → · Contrast checker → · Palette generator →