#4E90E0#4E90E0

#4E90E0 is a light, vivid cyan. Relative luminance 0.269; OKLCH L 64.6% C 0.138 H 254.5°. Best body text is #000000 at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#4E90E0
RGB	rgb(78, 144, 224)
HSL	hsl(213, 70%, 59%)
HSV	hsv(213, 65%, 88%)
CMYK	cmyk(65.2%, 35.7%, 0%, 12.2%)
CIE-LAB	lab(58.92, 3.96, -46.91)
CIE-LCH	lch(58.92, 47.07, 274.83°)
OKLab	oklab(64.65% -0.037 -0.1331)
OKLCH	oklch(64.65% 0.138 254.5)
XYZ	xyz(26.5648, 26.9454, 74.3076)
Luminance	0.2695 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E90E0 #E09E4E

analogous

#4ED9E0 #4E90E0 #554EE0

triadic

#4E90E0 #E04E90 #90E04E

tetradic

#4E90E0 #E04ED9 #E09E4E #4EE055

square

#4E90E0 #E04ED9 #E09E4E #4EE055

split-complementary

#4E90E0 #E0554E #D9E04E

monochromatic

#1B5499 #2470CD #4E90E0 #82B1E9 #B6D1F2

Accessibility & contrast

On white

3.29

#4E90E0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.39

#4E90E0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E90E0

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E90E0	#FFFFFF	#000000	##000000
##4E90E0	1.00	3.29	6.39	6.39
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.39	21.00	1.00	1.00
##000000	6.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D95E3

Deuteranopia (green-blind)

#5888DE

Tritanopia (blue-blind)

#00A2AD

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #4e90e0;
/* rgb */ color: rgb(78, 144, 224);
/* oklch */ color: oklch(64.6% 0.138 254.5);

Tailwind

colors: {
  custom: {
    50: '#8db0ea',
    500: '#4e90e0',
    950: '#000000',
  },
}

SCSS

$custom: #4e90e0;
$custom-light: #8db0ea;
$custom-dark: #000000;

JSON

{
  "hex": "#4e90e0",
  "rgb": {
    "r": 78,
    "g": 144,
    "b": 224
  },
  "hsl": {
    "h": 212.877,
    "s": 70.192,
    "l": 59.216
  },
  "oklch": {
    "l": 0.64648,
    "c": 0.13819,
    "h": 254.5
  },
  "luminance": 0.26948
}

Semantic roles & 50–950 ramp

primary

#4E90E0

secondary

#E1C8A8

accent

#9C3BED

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4E90E0

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

Preview Lab → · Contrast checker → · Palette generator →