#4B73E8#4B73E8

#4B73E8 is a mid, vivid blue. Relative luminance 0.196; OKLCH L 58.9% C 0.183 H 266.6°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#4B73E8
RGB	rgb(75, 115, 232)
HSL	hsl(225, 77%, 60%)
HSV	hsv(225, 68%, 91%)
CMYK	cmyk(67.7%, 50.4%, 0%, 9%)
CIE-LAB	lab(51.36, 23.89, -63.47)
CIE-LCH	lch(51.36, 67.82, 290.62°)
OKLab	oklab(58.93% -0.0109 -0.1822)
OKLCH	oklch(58.93% 0.183 266.6)
XYZ	xyz(23.5928, 19.5812, 78.8645)
Luminance	0.1958 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B73E8 #E8C04B

analogous

#4BC2E8 #4B73E8 #714BE8

triadic

#4B73E8 #E84B73 #73E84B

tetradic

#4B73E8 #E84BC2 #E8C04B #4BE871

square

#4B73E8 #E84BC2 #E8C04B #4BE871

split-complementary

#4B73E8 #E8714B #C2E84B

monochromatic

#1539A4 #1C4CDA #4B73E8 #819DEF #B8C7F6

Accessibility & contrast

On white

4.27

#4B73E8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#4B73E8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B73E8

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B73E8	#FFFFFF	#000000	##000000
##4B73E8	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D82EC

Deuteranopia (green-blind)

#0074E6

Tritanopia (blue-blind)

#008FA3

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4b73e8;
/* rgb */ color: rgb(75, 115, 232);
/* oklch */ color: oklch(58.9% 0.183 266.6);

Tailwind

colors: {
  custom: {
    50: '#8e9af0',
    500: '#4b73e8',
    950: '#000000',
  },
}

SCSS

$custom: #4b73e8;
$custom-light: #8e9af0;
$custom-dark: #000000;

JSON

{
  "hex": "#4b73e8",
  "rgb": {
    "r": 75,
    "g": 115,
    "b": 232
  },
  "hsl": {
    "h": 224.713,
    "s": 77.34,
    "l": 60.196
  },
  "oklch": {
    "l": 0.58931,
    "c": 0.18258,
    "h": 266.6
  },
  "luminance": 0.19584
}

Semantic roles & 50–950 ramp

primary

#4B73E8

secondary

#E6D6A9

accent

#A50CDA

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #4B73E8

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

Preview Lab → · Contrast checker → · Palette generator →