#439DB3#439DB3

#439DB3 is a light, moderate cyan. Relative luminance 0.286; OKLCH L 65.1% C 0.091 H 216.5°. Best body text is #000000 at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#439DB3
RGB	rgb(67, 157, 179)
HSL	hsl(192, 46%, 48%)
HSV	hsv(192, 63%, 70%)
CMYK	cmyk(62.6%, 12.3%, 0%, 29.8%)
CIE-LAB	lab(60.39, -19.94, -19.40)
CIE-LCH	lch(60.39, 27.83, 224.21°)
OKLab	oklab(65.06% -0.0728 -0.0539)
OKLCH	oklch(65.06% 0.091 216.5)
XYZ	xyz(22.5051, 28.5596, 46.9656)
Luminance	0.2856 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#439DB3 #B35943

analogous

#43B391 #439DB3 #4365B3

triadic

#439DB3 #B3439D #9DB343

tetradic

#439DB3 #9143B3 #B35943 #65B343

square

#439DB3 #9143B3 #B35943 #65B343

split-complementary

#439DB3 #B34365 #B39143

monochromatic

#224F5A #327686 #439DB3 #6BB6C8 #98CCD8

Accessibility & contrast

On white

3.13

#439DB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.71

#439DB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #439DB3

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##439DB3	#FFFFFF	#000000	##000000
##439DB3	1.00	3.13	6.71	6.71
#FFFFFF	3.13	1.00	21.00	21.00
#000000	6.71	21.00	1.00	1.00
##000000	6.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E98B4

Deuteranopia (green-blind)

#7E8CB3

Tritanopia (blue-blind)

#00A5A4

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #439db3;
/* rgb */ color: rgb(67, 157, 179);
/* oklch */ color: oklch(65.1% 0.091 216.5);

Tailwind

colors: {
  custom: {
    50: '#83bac9',
    500: '#439db3',
    950: '#000000',
  },
}

SCSS

$custom: #439db3;
$custom-light: #83bac9;
$custom-dark: #000000;

JSON

{
  "hex": "#439db3",
  "rgb": {
    "r": 67,
    "g": 157,
    "b": 179
  },
  "hsl": {
    "h": 191.786,
    "s": 45.528,
    "l": 48.235
  },
  "oklch": {
    "l": 0.65064,
    "c": 0.09058,
    "h": 216.5
  },
  "luminance": 0.28562
}

Semantic roles & 50–950 ramp

primary

#439DB3

secondary

#C4988D

accent

#6C53D5

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #439DB3

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

Preview Lab → · Contrast checker → · Palette generator →