#4E90E4#4E90E4

#4E90E4 is a light, vivid cyan. Relative luminance 0.272; OKLCH L 64.9% C 0.143 H 255.4°. Best body text is #000000 at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#4E90E4
RGB	rgb(78, 144, 228)
HSL	hsl(214, 74%, 60%)
HSV	hsv(214, 66%, 89%)
CMYK	cmyk(65.8%, 36.8%, 0%, 10.6%)
CIE-LAB	lab(59.13, 5.32, -48.81)
CIE-LCH	lch(59.13, 49.10, 276.22°)
OKLab	oklab(64.87% -0.036 -0.1387)
OKLCH	oklch(64.87% 0.143 255.4)
XYZ	xyz(27.1136, 27.1649, 77.1982)
Luminance	0.2717 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E90E4 #E4A24E

analogous

#4EDBE4 #4E90E4 #574EE4

triadic

#4E90E4 #E44E90 #90E44E

tetradic

#4E90E4 #E44EDB #E4A24E #4EE457

square

#4E90E4 #E44EDB #E4A24E #4EE457

split-complementary

#4E90E4 #E4574E #DBE44E

monochromatic

#18549F #2070D4 #4E90E4 #83B1EC #B8D3F4

Accessibility & contrast

On white

3.26

#4E90E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.43

#4E90E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E90E4

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E90E4	#FFFFFF	#000000	##000000
##4E90E4	1.00	3.26	6.43	6.43
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.43	21.00	1.00	1.00
##000000	6.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B96E7

Deuteranopia (green-blind)

#5588E2

Tritanopia (blue-blind)

#00A3AF

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #4e90e4;
/* rgb */ color: rgb(78, 144, 228);
/* oklch */ color: oklch(64.9% 0.143 255.4);

Tailwind

colors: {
  custom: {
    50: '#8eb0ed',
    500: '#4e90e4',
    950: '#000000',
  },
}

SCSS

$custom: #4e90e4;
$custom-light: #8eb0ed;
$custom-dark: #000000;

JSON

{
  "hex": "#4e90e4",
  "rgb": {
    "r": 78,
    "g": 144,
    "b": 228
  },
  "hsl": {
    "h": 213.6,
    "s": 73.529,
    "l": 60
  },
  "oklch": {
    "l": 0.64872,
    "c": 0.14332,
    "h": 255.4
  },
  "luminance": 0.27168
}

Semantic roles & 50–950 ramp

primary

#4E90E4

secondary

#E4CAAA

accent

#9F38F0

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #4E90E4

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

Preview Lab → · Contrast checker → · Palette generator →