#4E87E4#4E87E4

#4E87E4 is a light, vivid blue. Relative luminance 0.245; OKLCH L 62.9% C 0.153 H 259.7°. Best body text is #000000 at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#4E87E4
RGB	rgb(78, 135, 228)
HSL	hsl(217, 74%, 60%)
HSV	hsv(217, 66%, 89%)
CMYK	cmyk(65.8%, 40.8%, 0%, 10.6%)
CIE-LAB	lab(56.63, 10.70, -52.78)
CIE-LCH	lch(56.63, 53.85, 281.46°)
OKLab	oklab(62.93% -0.0273 -0.1505)
OKLCH	oklch(62.93% 0.153 259.7)
XYZ	xyz(25.8045, 24.5465, 76.7618)
Luminance	0.2455 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E87E4 #E4AB4E

analogous

#4ED2E4 #4E87E4 #604EE4

triadic

#4E87E4 #E44E87 #87E44E

tetradic

#4E87E4 #E44ED2 #E4AB4E #4EE460

square

#4E87E4 #E44ED2 #E4AB4E #4EE460

split-complementary

#4E87E4 #E4604E #D2E44E

monochromatic

#184C9F #2065D4 #4E87E4 #83ABEC #B8CFF4

Accessibility & contrast

On white

3.55

#4E87E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.91

#4E87E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E87E4

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E87E4	#FFFFFF	#000000	##000000
##4E87E4	1.00	3.55	5.91	5.91
#FFFFFF	3.55	1.00	21.00	21.00
#000000	5.91	21.00	1.00	1.00
##000000	5.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C8FE8

Deuteranopia (green-blind)

#4581E2

Tritanopia (blue-blind)

#009CAA

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #4e87e4;
/* rgb */ color: rgb(78, 135, 228);
/* oklch */ color: oklch(62.9% 0.153 259.7);

Tailwind

colors: {
  custom: {
    50: '#8ea9ed',
    500: '#4e87e4',
    950: '#000000',
  },
}

SCSS

$custom: #4e87e4;
$custom-light: #8ea9ed;
$custom-dark: #000000;

JSON

{
  "hex": "#4e87e4",
  "rgb": {
    "r": 78,
    "g": 135,
    "b": 228
  },
  "hsl": {
    "h": 217.2,
    "s": 73.529,
    "l": 60
  },
  "oklch": {
    "l": 0.62933,
    "c": 0.15292,
    "h": 259.7
  },
  "luminance": 0.24549
}

Semantic roles & 50–950 ramp

primary

#4E87E4

secondary

#E4CEAA

accent

#AA38F0

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #4E87E4

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

Preview Lab → · Contrast checker → · Palette generator →