#4990DB#4990DB

#4990DB is a light, vivid cyan. Relative luminance 0.265; OKLCH L 64.2% C 0.134 H 251.8°. Best body text is #000000 at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#4990DB
RGB	rgb(73, 144, 219)
HSL	hsl(211, 67%, 57%)
HSV	hsv(211, 67%, 86%)
CMYK	cmyk(66.7%, 34.2%, 0%, 14.1%)
CIE-LAB	lab(58.48, 1.43, -44.82)
CIE-LCH	lch(58.48, 44.85, 271.83°)
OKLab	oklab(64.17% -0.0419 -0.1271)
OKLCH	oklch(64.17% 0.134 251.8)
XYZ	xyz(25.5024, 26.4748, 70.7703)
Luminance	0.2648 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4990DB #DB9449

analogous

#49D9DB #4990DB #4B49DB

triadic

#4990DB #DB4990 #90DB49

tetradic

#4990DB #DB49D9 #DB9449 #49DB4B

square

#4990DB #DB49D9 #DB9449 #49DB4B

split-complementary

#4990DB #DB4B49 #D9DB49

monochromatic

#1C538E #2671C1 #4990DB #7CAFE5 #AFCEEF

Accessibility & contrast

On white

3.34

#4990DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.30

#4990DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4990DB

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4990DB	#FFFFFF	#000000	##000000
##4990DB	1.00	3.34	6.30	6.30
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.30	21.00	1.00	1.00
##000000	6.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F94DE

Deuteranopia (green-blind)

#5A86DA

Tritanopia (blue-blind)

#00A2AB

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #4990db;
/* rgb */ color: rgb(73, 144, 219);
/* oklch */ color: oklch(64.2% 0.134 251.8);

Tailwind

colors: {
  custom: {
    50: '#8ab0e6',
    500: '#4990db',
    950: '#000000',
  },
}

SCSS

$custom: #4990db;
$custom-light: #8ab0e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4990db",
  "rgb": {
    "r": 73,
    "g": 144,
    "b": 219
  },
  "hsl": {
    "h": 210.822,
    "s": 66.972,
    "l": 57.255
  },
  "oklch": {
    "l": 0.6417,
    "c": 0.13385,
    "h": 251.8
  },
  "luminance": 0.26477
}

Semantic roles & 50–950 ramp

primary

#4990DB

secondary

#DDC1A2

accent

#963EEA

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4990DB

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

Preview Lab → · Contrast checker → · Palette generator →