#4399AB#4399AB

#4399AB is a light, moderate cyan. Relative luminance 0.269; OKLCH L 63.8% C 0.086 H 213.6°. Best body text is #000000 at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#4399AB
RGB	rgb(67, 153, 171)
HSL	hsl(190, 44%, 47%)
HSV	hsv(190, 61%, 67%)
CMYK	cmyk(60.8%, 10.5%, 0%, 32.9%)
CIE-LAB	lab(58.89, -20.29, -17.16)
CIE-LCH	lch(58.89, 26.57, 220.21°)
OKLab	oklab(63.77% -0.0717 -0.0476)
OKLCH	oklch(63.77% 0.086 213.6)
XYZ	xyz(21.0537, 26.9139, 42.6055)
Luminance	0.2692 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4399AB #AB5543

analogous

#43AB89 #4399AB #4365AB

triadic

#4399AB #AB4399 #99AB43

tetradic

#4399AB #8943AB #AB5543 #65AB43

square

#4399AB #8943AB #AB5543 #65AB43

split-complementary

#4399AB #AB4365 #AB8943

monochromatic

#214A53 #32727F #4399AB #68B4C4 #94CAD5

Accessibility & contrast

On white

3.29

#4399AB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.38

#4399AB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4399AB

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4399AB	#FFFFFF	#000000	##000000
##4399AB	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)

#8C94AC

Deuteranopia (green-blind)

#7C89AB

Tritanopia (blue-blind)

#00A09E

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #4399ab;
/* rgb */ color: rgb(67, 153, 171);
/* oklch */ color: oklch(63.8% 0.086 213.6);

Tailwind

colors: {
  custom: {
    50: '#82b7c4',
    500: '#4399ab',
    950: '#000000',
  },
}

SCSS

$custom: #4399ab;
$custom-light: #82b7c4;
$custom-dark: #000000;

JSON

{
  "hex": "#4399ab",
  "rgb": {
    "r": 67,
    "g": 153,
    "b": 171
  },
  "hsl": {
    "h": 190.385,
    "s": 43.697,
    "l": 46.667
  },
  "oklch": {
    "l": 0.63769,
    "c": 0.08602,
    "h": 213.6
  },
  "luminance": 0.26916
}

Semantic roles & 50–950 ramp

primary

#4399AB

secondary

#C09389

accent

#6A54D3

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0B1112

muted

#7C8081

Preview Lab

Preview with #4399AB

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

Preview Lab → · Contrast checker → · Palette generator →