#4E81DD#4E81DD

#4E81DD is a mid, vivid blue. Relative luminance 0.225; OKLCH L 61.2% C 0.150 H 261.2°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#4E81DD
RGB	rgb(78, 129, 221)
HSL	hsl(219, 68%, 59%)
HSV	hsv(219, 65%, 87%)
CMYK	cmyk(64.7%, 41.6%, 0%, 13.3%)
CIE-LAB	lab(54.59, 11.92, -52.11)
CIE-LCH	lch(54.59, 53.45, 282.88°)
OKLab	oklab(61.23% -0.0229 -0.1486)
OKLCH	oklch(61.23% 0.15 261.2)
XYZ	xyz(24.0387, 22.5384, 71.4761)
Luminance	0.2254 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E81DD #DDAA4E

analogous

#4EC9DD #4E81DD #624EDD

triadic

#4E81DD #DD4E81 #81DD4E

tetradic

#4E81DD #DD4EC9 #DDAA4E #4EDD62

square

#4E81DD #DD4EC9 #DDAA4E #4EDD62

split-complementary

#4E81DD #DD624E #C9DD4E

monochromatic

#1C4794 #2660C7 #4E81DD #81A6E7 #B5CAF1

Accessibility & contrast

On white

3.81

#4E81DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#4E81DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E81DD

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E81DD	#FFFFFF	#000000	##000000
##4E81DD	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#578AE1

Deuteranopia (green-blind)

#417CDB

Tritanopia (blue-blind)

#0096A4

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #4e81dd;
/* rgb */ color: rgb(78, 129, 221);
/* oklch */ color: oklch(61.2% 0.150 261.2);

Tailwind

colors: {
  custom: {
    50: '#8da5e8',
    500: '#4e81dd',
    950: '#000000',
  },
}

SCSS

$custom: #4e81dd;
$custom-light: #8da5e8;
$custom-dark: #000000;

JSON

{
  "hex": "#4e81dd",
  "rgb": {
    "r": 78,
    "g": 129,
    "b": 221
  },
  "hsl": {
    "h": 218.601,
    "s": 67.773,
    "l": 58.627
  },
  "oklch": {
    "l": 0.61232,
    "c": 0.15032,
    "h": 261.2
  },
  "luminance": 0.22541
}

Semantic roles & 50–950 ramp

primary

#4E81DD

secondary

#E0CCA7

accent

#AD3DEB

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4E81DD

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

Preview Lab → · Contrast checker → · Palette generator →