#4E81E3#4E81E3

#4E81E3 is a mid, vivid blue. Relative luminance 0.229; OKLCH L 61.6% C 0.158 H 262.1°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#4E81E3
RGB	rgb(78, 129, 227)
HSL	hsl(219, 73%, 60%)
HSV	hsv(219, 66%, 89%)
CMYK	cmyk(65.6%, 43.2%, 0%, 11%)
CIE-LAB	lab(54.93, 13.99, -54.93)
CIE-LCH	lch(54.93, 56.68, 284.29°)
OKLab	oklab(61.6% -0.0218 -0.1569)
OKLCH	oklch(61.6% 0.158 262.1)
XYZ	xyz(24.8524, 22.8639, 75.7616)
Luminance	0.2287 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E81E3 #E3B04E

analogous

#4ECCE3 #4E81E3 #664EE3

triadic

#4E81E3 #E34E81 #81E34E

tetradic

#4E81E3 #E34ECC #E3B04E #4EE366

square

#4E81E3 #E34ECC #E3B04E #4EE366

split-complementary

#4E81E3 #E3664E #CCE34E

monochromatic

#19469E #215ED3 #4E81E3 #83A7EB #B8CCF4

Accessibility & contrast

On white

3.77

#4E81E3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#4E81E3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E81E3

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E81E3	#FFFFFF	#000000	##000000
##4E81E3	1.00	3.77	5.57	5.57
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.57	21.00	1.00	1.00
##000000	5.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#528BE7

Deuteranopia (green-blind)

#3A7DE1

Tritanopia (blue-blind)

#0098A7

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #4e81e3;
/* rgb */ color: rgb(78, 129, 227);
/* oklch */ color: oklch(61.6% 0.158 262.1);

Tailwind

colors: {
  custom: {
    50: '#8ea5ec',
    500: '#4e81e3',
    950: '#000000',
  },
}

SCSS

$custom: #4e81e3;
$custom-light: #8ea5ec;
$custom-dark: #000000;

JSON

{
  "hex": "#4e81e3",
  "rgb": {
    "r": 78,
    "g": 129,
    "b": 227
  },
  "hsl": {
    "h": 219.463,
    "s": 72.683,
    "l": 59.804
  },
  "oklch": {
    "l": 0.61602,
    "c": 0.15836,
    "h": 262.1
  },
  "luminance": 0.22866
}

Semantic roles & 50–950 ramp

primary

#4E81E3

secondary

#E3CFAA

accent

#B138EF

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #4E81E3

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

Preview Lab → · Contrast checker → · Palette generator →