#4399D4#4399D4

#4399D4 is a light, vivid cyan. Relative luminance 0.287; OKLCH L 65.6% C 0.121 H 241.9°. Best body text is #000000 at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#4399D4
RGB	rgb(67, 153, 212)
HSL	hsl(204, 63%, 55%)
HSV	hsv(204, 68%, 83%)
CMYK	cmyk(68.4%, 27.8%, 0%, 16.9%)
CIE-LAB	lab(60.54, -7.07, -37.70)
CIE-LCH	lch(60.54, 38.36, 259.37°)
OKLab	oklab(65.62% -0.0568 -0.1064)
OKLCH	oklch(65.62% 0.121 241.9)
XYZ	xyz(25.5851, 28.7265, 66.4710)
Luminance	0.2873 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4399D4 #D47E43

analogous

#43D4C7 #4399D4 #4350D4

triadic

#4399D4 #D44399 #99D443

tetradic

#4399D4 #C743D4 #D47E43 #50D443

square

#4399D4 #C743D4 #D47E43 #50D443

split-complementary

#4399D4 #D44350 #D4C743

monochromatic

#1D577F #297AB1 #4399D4 #75B4DF #A7CFEB

Accessibility & contrast

On white

3.11

#4399D4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.75

#4399D4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4399D4

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4399D4	#FFFFFF	#000000	##000000
##4399D4	1.00	3.11	6.75	6.75
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.75	21.00	1.00	1.00
##000000	6.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E9AD7

Deuteranopia (green-blind)

#6A8CD3

Tritanopia (blue-blind)

#00A8AE

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #4399d4;
/* rgb */ color: rgb(67, 153, 212);
/* oklch */ color: oklch(65.6% 0.121 241.9);

Tailwind

colors: {
  custom: {
    50: '#87b6e1',
    500: '#4399d4',
    950: '#000000',
  },
}

SCSS

$custom: #4399d4;
$custom-light: #87b6e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4399d4",
  "rgb": {
    "r": 67,
    "g": 153,
    "b": 212
  },
  "hsl": {
    "h": 204.414,
    "s": 62.771,
    "l": 54.706
  },
  "oklch": {
    "l": 0.65623,
    "c": 0.12056,
    "h": 241.9
  },
  "luminance": 0.28729
}

Semantic roles & 50–950 ramp

primary

#4399D4

secondary

#D8B49B

accent

#8542E6

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0D1115

muted

#7D8083

Preview Lab

Preview with #4399D4

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

Preview Lab → · Contrast checker → · Palette generator →