#4B71E4#4B71E4

#4B71E4 is a mid, vivid blue. Relative luminance 0.189; OKLCH L 58.3% C 0.180 H 266.9°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#4B71E4
RGB	rgb(75, 113, 228)
HSL	hsl(225, 74%, 59%)
HSV	hsv(225, 67%, 89%)
CMYK	cmyk(67.1%, 50.4%, 0%, 10.6%)
CIE-LAB	lab(50.58, 23.73, -62.49)
CIE-LCH	lch(50.58, 66.85, 290.79°)
OKLab	oklab(58.25% -0.0096 -0.1794)
OKLCH	oklch(58.25% 0.18 266.9)
XYZ	xyz(22.8055, 18.9053, 75.8310)
Luminance	0.1891 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B71E4 #E4BE4B

analogous

#4BBEE4 #4B71E4 #724BE4

triadic

#4B71E4 #E44B71 #71E44B

tetradic

#4B71E4 #E44BBE #E4BE4B #4BE472

square

#4B71E4 #E44BBE #E4BE4B #4BE472

split-complementary

#4B71E4 #E4724B #BEE44B

monochromatic

#18399D #204CD2 #4B71E4 #809BEC #B5C5F4

Accessibility & contrast

On white

4.39

#4B71E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#4B71E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B71E4

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B71E4	#FFFFFF	#000000	##000000
##4B71E4	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C80E8

Deuteranopia (green-blind)

#0072E2

Tritanopia (blue-blind)

#008CA0

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4b71e4;
/* rgb */ color: rgb(75, 113, 228);
/* oklch */ color: oklch(58.3% 0.180 266.9);

Tailwind

colors: {
  custom: {
    50: '#8d99ed',
    500: '#4b71e4',
    950: '#000000',
  },
}

SCSS

$custom: #4b71e4;
$custom-light: #8d99ed;
$custom-dark: #000000;

JSON

{
  "hex": "#4b71e4",
  "rgb": {
    "r": 75,
    "g": 113,
    "b": 228
  },
  "hsl": {
    "h": 225.098,
    "s": 73.913,
    "l": 59.412
  },
  "oklch": {
    "l": 0.58253,
    "c": 0.17965,
    "h": 266.9
  },
  "luminance": 0.18908
}

Semantic roles & 50–950 ramp

primary

#4B71E4

secondary

#E3D4A8

accent

#C337F1

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #4B71E4

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

Preview Lab → · Contrast checker → · Palette generator →