#4E81CC#4E81CC

#4E81CC is a mid, vivid blue. Relative luminance 0.217; OKLCH L 60.2% C 0.128 H 258.0°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#4E81CC
RGB	rgb(78, 129, 204)
HSL	hsl(216, 55%, 55%)
HSV	hsv(216, 62%, 80%)
CMYK	cmyk(61.8%, 36.8%, 0%, 20%)
CIE-LAB	lab(53.68, 6.11, -43.96)
CIE-LCH	lch(53.68, 44.38, 277.91°)
OKLab	oklab(60.23% -0.0266 -0.1247)
OKLCH	oklch(60.23% 0.128 258)
XYZ	xyz(21.8874, 21.6778, 60.1458)
Luminance	0.2168 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E81CC #CC994E

analogous

#4EC0CC #4E81CC #5A4ECC

triadic

#4E81CC #CC4E81 #81CC4E

tetradic

#4E81CC #CC4EC0 #CC994E #4ECC5A

square

#4E81CC #CC4EC0 #CC994E #4ECC5A

split-complementary

#4E81CC #CC5A4E #C0CC4E

monochromatic

#24477C #3163AB #4E81CC #7EA3DA #ADC5E7

Accessibility & contrast

On white

3.94

#4E81CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.34

#4E81CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E81CC

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E81CC	#FFFFFF	#000000	##000000
##4E81CC	1.00	3.94	5.34	5.34
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.34	21.00	1.00	1.00
##000000	5.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6187CF

Deuteranopia (green-blind)

#507BCA

Tritanopia (blue-blind)

#00929D

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #4e81cc;
/* rgb */ color: rgb(78, 129, 204);
/* oklch */ color: oklch(60.2% 0.128 258.0);

Tailwind

colors: {
  custom: {
    50: '#8aa5dc',
    500: '#4e81cc',
    950: '#000000',
  },
}

SCSS

$custom: #4e81cc;
$custom-light: #8aa5dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4e81cc",
  "rgb": {
    "r": 78,
    "g": 129,
    "b": 204
  },
  "hsl": {
    "h": 215.714,
    "s": 55.263,
    "l": 55.294
  },
  "oklch": {
    "l": 0.6023,
    "c": 0.12751,
    "h": 258
  },
  "luminance": 0.2168
}

Semantic roles & 50–950 ramp

primary

#4E81CC

secondary

#D5C0A1

accent

#A249DF

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #4E81CC

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

Preview Lab → · Contrast checker → · Palette generator →