#4B71DF#4B71DF

#4B71DF is a mid, vivid blue. Relative luminance 0.186; OKLCH L 57.9% C 0.173 H 266.7°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#4B71DF
RGB	rgb(75, 113, 223)
HSL	hsl(225, 70%, 58%)
HSV	hsv(225, 66%, 87%)
CMYK	cmyk(66.4%, 49.3%, 0%, 12.5%)
CIE-LAB	lab(50.25, 21.98, -60.20)
CIE-LCH	lch(50.25, 64.08, 290.06°)
OKLab	oklab(57.9% -0.0101 -0.1726)
OKLCH	oklch(57.9% 0.173 266.7)
XYZ	xyz(22.1215, 18.6317, 72.2282)
Luminance	0.1863 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B71DF #DFB94B

analogous

#4BBBDF #4B71DF #6F4BDF

triadic

#4B71DF #DF4B71 #71DF4B

tetradic

#4B71DF #DF4BBB #DFB94B #4BDF6F

square

#4B71DF #DF4BBB #DFB94B #4BDF6F

split-complementary

#4B71DF #DF6F4B #BBDF4B

monochromatic

#1B3A95 #244EC9 #4B71DF #7F9AE8 #B3C3F1

Accessibility & contrast

On white

4.44

#4B71DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#4B71DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B71DF

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B71DF	#FFFFFF	#000000	##000000
##4B71DF	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#337FE3

Deuteranopia (green-blind)

#0071DD

Tritanopia (blue-blind)

#008B9D

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4b71df;
/* rgb */ color: rgb(75, 113, 223);
/* oklch */ color: oklch(57.9% 0.173 266.7);

Tailwind

colors: {
  custom: {
    50: '#8d99ea',
    500: '#4b71df',
    950: '#000000',
  },
}

SCSS

$custom: #4b71df;
$custom-light: #8d99ea;
$custom-dark: #000000;

JSON

{
  "hex": "#4b71df",
  "rgb": {
    "r": 75,
    "g": 113,
    "b": 223
  },
  "hsl": {
    "h": 224.595,
    "s": 69.811,
    "l": 58.431
  },
  "oklch": {
    "l": 0.57904,
    "c": 0.17294,
    "h": 266.7
  },
  "luminance": 0.18634
}

Semantic roles & 50–950 ramp

primary

#4B71DF

secondary

#E0D1A6

accent

#BF3BED

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4B71DF

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

Preview Lab → · Contrast checker → · Palette generator →