#439FB3#439FB3

#439FB3 is a light, moderate cyan. Relative luminance 0.292; OKLCH L 65.5% C 0.091 H 214.4°. Best body text is #000000 at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#439FB3
RGB	rgb(67, 159, 179)
HSL	hsl(191, 46%, 48%)
HSV	hsv(191, 63%, 70%)
CMYK	cmyk(62.6%, 11.2%, 0%, 29.8%)
CIE-LAB	lab(60.99, -20.99, -18.49)
CIE-LCH	lch(60.99, 27.97, 221.37°)
OKLab	oklab(65.55% -0.0749 -0.0513)
OKLCH	oklch(65.55% 0.091 214.4)
XYZ	xyz(22.8462, 29.2419, 47.0793)
Luminance	0.2924 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#439FB3 #B35743

analogous

#43B38F #439FB3 #4367B3

triadic

#439FB3 #B3439F #9FB343

tetradic

#439FB3 #8F43B3 #B35743 #67B343

square

#439FB3 #8F43B3 #B35743 #67B343

split-complementary

#439FB3 #B34367 #B38F43

monochromatic

#22505A #327786 #439FB3 #6BB7C8 #98CDD8

Accessibility & contrast

On white

3.07

#439FB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.85

#439FB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #439FB3

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##439FB3	#FFFFFF	#000000	##000000
##439FB3	1.00	3.07	6.85	6.85
#FFFFFF	3.07	1.00	21.00	21.00
#000000	6.85	21.00	1.00	1.00
##000000	6.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#919AB4

Deuteranopia (green-blind)

#808EB3

Tritanopia (blue-blind)

#00A7A5

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #439fb3;
/* rgb */ color: rgb(67, 159, 179);
/* oklch */ color: oklch(65.5% 0.091 214.4);

Tailwind

colors: {
  custom: {
    50: '#83bbc9',
    500: '#439fb3',
    950: '#000000',
  },
}

SCSS

$custom: #439fb3;
$custom-light: #83bbc9;
$custom-dark: #000000;

JSON

{
  "hex": "#439fb3",
  "rgb": {
    "r": 67,
    "g": 159,
    "b": 179
  },
  "hsl": {
    "h": 190.714,
    "s": 45.528,
    "l": 48.235
  },
  "oklch": {
    "l": 0.65549,
    "c": 0.09084,
    "h": 214.4
  },
  "luminance": 0.29244
}

Semantic roles & 50–950 ramp

primary

#439FB3

secondary

#C4978D

accent

#6A53D5

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0C1213

muted

#7D8182

Preview Lab

Preview with #439FB3

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

Preview Lab → · Contrast checker → · Palette generator →