#4399D3#4399D3

#4399D3 is a light, moderate cyan. Relative luminance 0.287; OKLCH L 65.6% C 0.119 H 241.5°. Best body text is #000000 at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#4399D3
RGB	rgb(67, 153, 211)
HSL	hsl(204, 62%, 55%)
HSV	hsv(204, 68%, 83%)
CMYK	cmyk(68.2%, 27.5%, 0%, 17.3%)
CIE-LAB	lab(60.49, -7.41, -37.21)
CIE-LCH	lch(60.49, 37.94, 258.74°)
OKLab	oklab(65.57% -0.0571 -0.1049)
OKLCH	oklch(65.57% 0.119 241.5)
XYZ	xyz(25.4593, 28.6762, 65.8087)
Luminance	0.2868 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4399D3 #D37D43

analogous

#43D3C5 #4399D3 #4351D3

triadic

#4399D3 #D34399 #99D343

tetradic

#4399D3 #C543D3 #D37D43 #51D343

square

#4399D3 #C543D3 #D37D43 #51D343

split-complementary

#4399D3 #D34351 #D3C543

monochromatic

#1E577E #2979B0 #4399D3 #75B4DF #A6CFEA

Accessibility & contrast

On white

3.12

#4399D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.74

#4399D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4399D3

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4399D3	#FFFFFF	#000000	##000000
##4399D3	1.00	3.12	6.74	6.74
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.74	21.00	1.00	1.00
##000000	6.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E9AD6

Deuteranopia (green-blind)

#6B8CD2

Tritanopia (blue-blind)

#00A7AD

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #4399d3;
/* rgb */ color: rgb(67, 153, 211);
/* oklch */ color: oklch(65.6% 0.119 241.5);

Tailwind

colors: {
  custom: {
    50: '#87b6e0',
    500: '#4399d3',
    950: '#000000',
  },
}

SCSS

$custom: #4399d3;
$custom-light: #87b6e0;
$custom-dark: #000000;

JSON

{
  "hex": "#4399d3",
  "rgb": {
    "r": 67,
    "g": 153,
    "b": 211
  },
  "hsl": {
    "h": 204.167,
    "s": 62.069,
    "l": 54.51
  },
  "oklch": {
    "l": 0.65573,
    "c": 0.11946,
    "h": 241.5
  },
  "luminance": 0.28679
}

Semantic roles & 50–950 ramp

primary

#4399D3

secondary

#D7B39A

accent

#8443E5

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0D1115

muted

#7D8083

Preview Lab

Preview with #4399D3

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

Preview Lab → · Contrast checker → · Palette generator →