#4E71DB#4E71DB

#4E71DB is a mid, vivid blue. Relative luminance 0.185; OKLCH L 57.8% C 0.167 H 267.3°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#4E71DB
RGB	rgb(78, 113, 219)
HSL	hsl(225, 66%, 58%)
HSV	hsv(225, 64%, 86%)
CMYK	cmyk(64.4%, 48.4%, 0%, 14.1%)
CIE-LAB	lab(50.15, 21.08, -58.10)
CIE-LCH	lch(50.15, 61.80, 289.94°)
OKLab	oklab(57.78% -0.0079 -0.1664)
OKLCH	oklch(57.78% 0.167 267.3)
XYZ	xyz(21.8288, 18.5424, 69.4328)
Luminance	0.1854 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E71DB #DBB84E

analogous

#4EB8DB #4E71DB #714EDB

triadic

#4E71DB #DB4E71 #71DB4E

tetradic

#4E71DB #DB4EB8 #DBB84E #4EDB71

square

#4E71DB #DB4EB8 #DBB84E #4EDB71

split-complementary

#4E71DB #DB714E #B8DB4E

monochromatic

#1E3A91 #284FC4 #4E71DB #819AE5 #B4C3F0

Accessibility & contrast

On white

4.46

#4E71DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#4E71DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E71DB

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E71DB	#FFFFFF	#000000	##000000
##4E71DB	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#397EDF

Deuteranopia (green-blind)

#1771D9

Tritanopia (blue-blind)

#008A9B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4e71db;
/* rgb */ color: rgb(78, 113, 219);
/* oklch */ color: oklch(57.8% 0.167 267.3);

Tailwind

colors: {
  custom: {
    50: '#8d99e7',
    500: '#4e71db',
    950: '#000000',
  },
}

SCSS

$custom: #4e71db;
$custom-light: #8d99e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4e71db",
  "rgb": {
    "r": 78,
    "g": 113,
    "b": 219
  },
  "hsl": {
    "h": 225.106,
    "s": 66.197,
    "l": 58.235
  },
  "oklch": {
    "l": 0.57782,
    "c": 0.1666,
    "h": 267.3
  },
  "luminance": 0.18544
}

Semantic roles & 50–950 ramp

primary

#4E71DB

secondary

#DED1A6

accent

#BF3FE9

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4E71DB

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

Preview Lab → · Contrast checker → · Palette generator →