#4990E4#4990E4

#4990E4 is a light, vivid cyan. Relative luminance 0.270; OKLCH L 64.7% C 0.145 H 254.2°. Best body text is #000000 at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#4990E4
RGB	rgb(73, 144, 228)
HSL	hsl(213, 74%, 59%)
HSV	hsv(213, 68%, 89%)
CMYK	cmyk(68%, 36.8%, 0%, 10.6%)
CIE-LAB	lab(58.94, 4.53, -49.12)
CIE-LCH	lch(58.94, 49.33, 275.27°)
OKLab	oklab(64.67% -0.0396 -0.1397)
OKLCH	oklch(64.67% 0.145 254.2)
XYZ	xyz(26.7194, 26.9616, 77.1797)
Luminance	0.2696 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4990E4 #E49D49

analogous

#49DEE4 #4990E4 #5049E4

triadic

#4990E4 #E44990 #90E449

tetradic

#4990E4 #E449DE #E49D49 #49E450

square

#4990E4 #E449DE #E49D49 #49E450

split-complementary

#4990E4 #E45049 #DEE449

monochromatic

#17549C #1F70D1 #4990E4 #7EB1EC #B4D1F4

Accessibility & contrast

On white

3.28

#4990E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.39

#4990E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4990E4

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4990E4	#FFFFFF	#000000	##000000
##4990E4	1.00	3.28	6.39	6.39
#FFFFFF	3.28	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)

#6A96E7

Deuteranopia (green-blind)

#5487E2

Tritanopia (blue-blind)

#00A4AF

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #4990e4;
/* rgb */ color: rgb(73, 144, 228);
/* oklch */ color: oklch(64.7% 0.145 254.2);

Tailwind

colors: {
  custom: {
    50: '#8cb0ed',
    500: '#4990e4',
    950: '#000000',
  },
}

SCSS

$custom: #4990e4;
$custom-light: #8cb0ed;
$custom-dark: #000000;

JSON

{
  "hex": "#4990e4",
  "rgb": {
    "r": 73,
    "g": 144,
    "b": 228
  },
  "hsl": {
    "h": 212.516,
    "s": 74.163,
    "l": 59.02
  },
  "oklch": {
    "l": 0.64673,
    "c": 0.1452,
    "h": 254.2
  },
  "luminance": 0.26964
}

Semantic roles & 50–950 ramp

primary

#4990E4

secondary

#E3C7A6

accent

#9C37F1

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4990E4

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

Preview Lab → · Contrast checker → · Palette generator →