#4E81E9#4E81E9

#4E81E9 is a mid, vivid blue. Relative luminance 0.232; OKLCH L 62.0% C 0.166 H 262.8°. Best body text is #000000 at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#4E81E9
RGB	rgb(78, 129, 233)
HSL	hsl(220, 78%, 61%)
HSV	hsv(220, 67%, 91%)
CMYK	cmyk(66.5%, 44.6%, 0%, 8.6%)
CIE-LAB	lab(55.28, 16.06, -57.73)
CIE-LCH	lch(55.28, 59.92, 285.55°)
OKLab	oklab(61.98% -0.0207 -0.1651)
OKLCH	oklch(61.98% 0.166 262.8)
XYZ	xyz(25.6949, 23.2009, 80.1991)
Luminance	0.2320 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E81E9 #E9B64E

analogous

#4ECEE9 #4E81E9 #684EE9

triadic

#4E81E9 #E94E81 #81E94E

tetradic

#4E81E9 #E94ECE #E9B64E #4EE968

square

#4E81E9 #E94ECE #E9B64E #4EE968

split-complementary

#4E81E9 #E9684E #CEE94E

monochromatic

#1545A8 #1C5CDE #4E81E9 #84A8F0 #BBCEF7

Accessibility & contrast

On white

3.72

#4E81E9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.64

#4E81E9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E81E9

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E81E9	#FFFFFF	#000000	##000000
##4E81E9	1.00	3.72	5.64	5.64
#FFFFFF	3.72	1.00	21.00	21.00
#000000	5.64	21.00	1.00	1.00
##000000	5.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E8CED

Deuteranopia (green-blind)

#317EE7

Tritanopia (blue-blind)

#0099AA

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #4e81e9;
/* rgb */ color: rgb(78, 129, 233);
/* oklch */ color: oklch(62.0% 0.166 262.8);

Tailwind

colors: {
  custom: {
    50: '#8fa5f1',
    500: '#4e81e9',
    950: '#000000',
  },
}

SCSS

$custom: #4e81e9;
$custom-light: #8fa5f1;
$custom-dark: #000000;

JSON

{
  "hex": "#4e81e9",
  "rgb": {
    "r": 78,
    "g": 129,
    "b": 233
  },
  "hsl": {
    "h": 220.258,
    "s": 77.889,
    "l": 60.98
  },
  "oklch": {
    "l": 0.61981,
    "c": 0.16638,
    "h": 262.8
  },
  "luminance": 0.23203
}

Semantic roles & 50–950 ramp

primary

#4E81E9

secondary

#E7D3AC

accent

#960BDA

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #4E81E9

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

Preview Lab → · Contrast checker → · Palette generator →