#439BB9#439BB9

#439BB9 is a light, moderate cyan. Relative luminance 0.281; OKLCH L 64.8% C 0.094 H 223.7°. Best body text is #000000 at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#439BB9
RGB	rgb(67, 155, 185)
HSL	hsl(195, 47%, 49%)
HSV	hsv(195, 64%, 73%)
CMYK	cmyk(63.8%, 16.2%, 0%, 27.5%)
CIE-LAB	lab(60.01, -17.01, -23.37)
CIE-LCH	lch(60.01, 28.91, 233.94°)
OKLab	oklab(64.83% -0.0683 -0.0652)
OKLCH	oklch(64.83% 0.094 223.7)
XYZ	xyz(22.7895, 28.1364, 50.1194)
Luminance	0.2814 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#439BB9 #B96143

analogous

#43B99C #439BB9 #4360B9

triadic

#439BB9 #B9439B #9BB943

tetradic

#439BB9 #9C43B9 #B96143 #60B943

square

#439BB9 #9C43B9 #B96143 #60B943

split-complementary

#439BB9 #B94360 #B99C43

monochromatic

#22505F #33758C #439BB9 #6FB3CB #9BCBDB

Accessibility & contrast

On white

3.17

#439BB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.63

#439BB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #439BB9

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##439BB9	#FFFFFF	#000000	##000000
##439BB9	1.00	3.17	6.63	6.63
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.63	21.00	1.00	1.00
##000000	6.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A98BB

Deuteranopia (green-blind)

#798BB9

Tritanopia (blue-blind)

#00A4A5

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #439bb9;
/* rgb */ color: rgb(67, 155, 185);
/* oklch */ color: oklch(64.8% 0.094 223.7);

Tailwind

colors: {
  custom: {
    50: '#83b8ce',
    500: '#439bb9',
    950: '#000000',
  },
}

SCSS

$custom: #439bb9;
$custom-light: #83b8ce;
$custom-dark: #000000;

JSON

{
  "hex": "#439bb9",
  "rgb": {
    "r": 67,
    "g": 155,
    "b": 185
  },
  "hsl": {
    "h": 195.254,
    "s": 46.825,
    "l": 49.412
  },
  "oklch": {
    "l": 0.64834,
    "c": 0.09437,
    "h": 223.7
  },
  "luminance": 0.28139
}

Semantic roles & 50–950 ramp

primary

#439BB9

secondary

#C79F91

accent

#7351D6

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #439BB9

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

Preview Lab → · Contrast checker → · Palette generator →