#4E71B3#4E71B3

#4E71B3 is a mid, moderate blue. Relative luminance 0.167; OKLCH L 55.3% C 0.111 H 262.2°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#4E71B3
RGB	rgb(78, 113, 179)
HSL	hsl(219, 40%, 50%)
HSV	hsv(219, 56%, 70%)
CMYK	cmyk(56.4%, 36.9%, 0%, 29.8%)
CIE-LAB	lab(47.86, 7.46, -38.82)
CIE-LCH	lch(47.86, 39.53, 280.87°)
OKLab	oklab(55.28% -0.0151 -0.1099)
OKLCH	oklch(55.28% 0.111 262.2)
XYZ	xyz(17.1809, 16.6833, 44.9539)
Luminance	0.1668 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E71B3 #B3904E

analogous

#4EA3B3 #4E71B3 #5D4EB3

triadic

#4E71B3 #B34E71 #71B34E

tetradic

#4E71B3 #B34EA3 #B3904E #4EB35D

square

#4E71B3 #B34EA3 #B3904E #4EB35D

split-complementary

#4E71B3 #B35D4E #A3B34E

monochromatic

#283B5E #3B5689 #4E71B3 #7993C5 #A4B6D8

Accessibility & contrast

On white

4.84

#4E71B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#4E71B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E71B3

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E71B3	#FFFFFF	#000000	##FFFFFF
##4E71B3	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5677B6

Deuteranopia (green-blind)

#496DB2

Tritanopia (blue-blind)

#088089

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4e71b3;
/* rgb */ color: rgb(78, 113, 179);
/* oklch */ color: oklch(55.3% 0.111 262.2);

Tailwind

colors: {
  custom: {
    50: '#8799ca',
    500: '#4e71b3',
    950: '#000000',
  },
}

SCSS

$custom: #4e71b3;
$custom-light: #8799ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4e71b3",
  "rgb": {
    "r": 78,
    "g": 113,
    "b": 179
  },
  "hsl": {
    "h": 219.208,
    "s": 39.921,
    "l": 50.392
  },
  "oklch": {
    "l": 0.55282,
    "c": 0.11089,
    "h": 262.2
  },
  "luminance": 0.16685
}

Semantic roles & 50–950 ramp

primary

#4E71B3

secondary

#C5B598

accent

#A658D0

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #4E71B3

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

Preview Lab → · Contrast checker → · Palette generator →