#4B73E4#4B73E4

#4B73E4 is a mid, vivid blue. Relative luminance 0.194; OKLCH L 58.7% C 0.177 H 266.3°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#4B73E4
RGB	rgb(75, 115, 228)
HSL	hsl(224, 74%, 59%)
HSV	hsv(224, 67%, 89%)
CMYK	cmyk(67.1%, 49.6%, 0%, 10.6%)
CIE-LAB	lab(51.10, 22.49, -61.65)
CIE-LCH	lch(51.10, 65.62, 290.04°)
OKLab	oklab(58.65% -0.0113 -0.1769)
OKLCH	oklch(58.65% 0.177 266.3)
XYZ	xyz(23.0311, 19.3565, 75.9062)
Luminance	0.1936 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B73E4 #E4BC4B

analogous

#4BBFE4 #4B73E4 #704BE4

triadic

#4B73E4 #E44B73 #73E44B

tetradic

#4B73E4 #E44BBF #E4BC4B #4BE470

square

#4B73E4 #E44BBF #E4BC4B #4BE470

split-complementary

#4B73E4 #E4704B #BFE44B

monochromatic

#183A9D #204ED2 #4B73E4 #809CEC #B5C6F4

Accessibility & contrast

On white

4.31

#4B73E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#4B73E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B73E4

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B73E4	#FFFFFF	#000000	##000000
##4B73E4	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3281E8

Deuteranopia (green-blind)

#0073E2

Tritanopia (blue-blind)

#008EA1

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4b73e4;
/* rgb */ color: rgb(75, 115, 228);
/* oklch */ color: oklch(58.7% 0.177 266.3);

Tailwind

colors: {
  custom: {
    50: '#8d9aed',
    500: '#4b73e4',
    950: '#000000',
  },
}

SCSS

$custom: #4b73e4;
$custom-light: #8d9aed;
$custom-dark: #000000;

JSON

{
  "hex": "#4b73e4",
  "rgb": {
    "r": 75,
    "g": 115,
    "b": 228
  },
  "hsl": {
    "h": 224.314,
    "s": 73.913,
    "l": 59.412
  },
  "oklch": {
    "l": 0.58652,
    "c": 0.17723,
    "h": 266.3
  },
  "luminance": 0.19359
}

Semantic roles & 50–950 ramp

primary

#4B73E4

secondary

#E3D4A8

accent

#C037F1

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #4B73E4

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

Preview Lab → · Contrast checker → · Palette generator →