#4B73EE#4B73EE

#4B73EE is a mid, vivid blue. Relative luminance 0.199; OKLCH L 59.4% C 0.191 H 266.9°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#4B73EE
RGB	rgb(75, 115, 238)
HSL	hsl(225, 83%, 61%)
HSV	hsv(225, 68%, 93%)
CMYK	cmyk(68.5%, 51.7%, 0%, 6.7%)
CIE-LAB	lab(51.76, 25.98, -66.19)
CIE-LCH	lch(51.76, 71.11, 291.43°)
OKLab	oklab(59.36% -0.0103 -0.1903)
OKLCH	oklch(59.36% 0.191 266.9)
XYZ	xyz(24.4596, 19.9279, 83.4298)
Luminance	0.1993 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B73EE #EEC64B

analogous

#4BC5EE #4B73EE #754BEE

triadic

#4B73EE #EE4B73 #73EE4B

tetradic

#4B73EE #EE4BC5 #EEC64B #4BEE75

square

#4B73EE #EE4BC5 #EEC64B #4BEE75

split-complementary

#4B73EE #EE754B #C5EE4B

monochromatic

#1037AE #1649E6 #4B73EE #839EF3 #BBCAF9

Accessibility & contrast

On white

4.21

#4B73EE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.99

#4B73EE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B73EE

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B73EE	#FFFFFF	#000000	##000000
##4B73EE	1.00	4.21	4.99	4.99
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.99	21.00	1.00	1.00
##000000	4.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2283F2

Deuteranopia (green-blind)

#0074EC

Tritanopia (blue-blind)

#0090A5

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #4b73ee;
/* rgb */ color: rgb(75, 115, 238);
/* oklch */ color: oklch(59.4% 0.191 266.9);

Tailwind

colors: {
  custom: {
    50: '#8f9af4',
    500: '#4b73ee',
    950: '#000000',
  },
}

SCSS

$custom: #4b73ee;
$custom-light: #8f9af4;
$custom-dark: #000000;

JSON

{
  "hex": "#4b73ee",
  "rgb": {
    "r": 75,
    "g": 115,
    "b": 238
  },
  "hsl": {
    "h": 225.276,
    "s": 82.741,
    "l": 61.373
  },
  "oklch": {
    "l": 0.59357,
    "c": 0.19054,
    "h": 266.9
  },
  "luminance": 0.1993
}

Semantic roles & 50–950 ramp

primary

#4B73EE

secondary

#E9DAAC

accent

#AA06DF

background

#F9F9FF

surface

#F2F2FE

border

#CCCCD6

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #4B73EE

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

Preview Lab → · Contrast checker → · Palette generator →