#4E90DF#4E90DF

#4E90DF is a light, vivid cyan. Relative luminance 0.269; OKLCH L 64.6% C 0.137 H 254.2°. Best body text is #000000 at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#4E90DF
RGB	rgb(78, 144, 223)
HSL	hsl(213, 69%, 59%)
HSV	hsv(213, 65%, 87%)
CMYK	cmyk(65%, 35.4%, 0%, 12.5%)
CIE-LAB	lab(58.87, 3.62, -46.43)
CIE-LCH	lch(58.87, 46.57, 274.46°)
OKLab	oklab(64.59% -0.0373 -0.1317)
OKLCH	oklch(64.59% 0.137 254.2)
XYZ	xyz(26.4296, 26.8913, 73.5954)
Luminance	0.2689 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E90DF #DF9D4E

analogous

#4ED8DF #4E90DF #554EDF

triadic

#4E90DF #DF4E90 #90DF4E

tetradic

#4E90DF #DF4ED8 #DF9D4E #4EDF55

square

#4E90DF #DF4ED8 #DF9D4E #4EDF55

split-complementary

#4E90DF #DF554E #D8DF4E

monochromatic

#1B5497 #2570CB #4E90DF #82B1E8 #B6D1F2

Accessibility & contrast

On white

3.29

#4E90DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.38

#4E90DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E90DF

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E90DF	#FFFFFF	#000000	##000000
##4E90DF	1.00	3.29	6.38	6.38
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.38	21.00	1.00	1.00
##000000	6.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D95E2

Deuteranopia (green-blind)

#5987DD

Tritanopia (blue-blind)

#00A2AD

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #4e90df;
/* rgb */ color: rgb(78, 144, 223);
/* oklch */ color: oklch(64.6% 0.137 254.2);

Tailwind

colors: {
  custom: {
    50: '#8db0e9',
    500: '#4e90df',
    950: '#000000',
  },
}

SCSS

$custom: #4e90df;
$custom-light: #8db0e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4e90df",
  "rgb": {
    "r": 78,
    "g": 144,
    "b": 223
  },
  "hsl": {
    "h": 212.69,
    "s": 69.378,
    "l": 59.02
  },
  "oklch": {
    "l": 0.64592,
    "c": 0.13692,
    "h": 254.2
  },
  "luminance": 0.26894
}

Semantic roles & 50–950 ramp

primary

#4E90DF

secondary

#E1C7A8

accent

#9C3CEC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4E90DF

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

Preview Lab → · Contrast checker → · Palette generator →