#439CB3#439CB3

#439CB3 is a light, moderate cyan. Relative luminance 0.282; OKLCH L 64.8% C 0.091 H 217.6°. Best body text is #000000 at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#439CB3
RGB	rgb(67, 156, 179)
HSL	hsl(192, 46%, 48%)
HSV	hsv(192, 63%, 70%)
CMYK	cmyk(62.6%, 12.8%, 0%, 29.8%)
CIE-LAB	lab(60.09, -19.42, -19.86)
CIE-LCH	lch(60.09, 27.78, 225.65°)
OKLab	oklab(64.82% -0.0717 -0.0552)
OKLCH	oklch(64.82% 0.091 217.6)
XYZ	xyz(22.3366, 28.2226, 46.9094)
Luminance	0.2823 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#439CB3 #B35A43

analogous

#43B392 #439CB3 #4364B3

triadic

#439CB3 #B3439C #9CB343

tetradic

#439CB3 #9243B3 #B35A43 #64B343

square

#439CB3 #9243B3 #B35A43 #64B343

split-complementary

#439CB3 #B34364 #B39243

monochromatic

#224E5A #327586 #439CB3 #6BB5C8 #98CBD8

Accessibility & contrast

On white

3.16

#439CB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.65

#439CB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #439CB3

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##439CB3	#FFFFFF	#000000	##000000
##439CB3	1.00	3.16	6.65	6.65
#FFFFFF	3.16	1.00	21.00	21.00
#000000	6.65	21.00	1.00	1.00
##000000	6.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D98B4

Deuteranopia (green-blind)

#7D8CB3

Tritanopia (blue-blind)

#00A4A3

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #439cb3;
/* rgb */ color: rgb(67, 156, 179);
/* oklch */ color: oklch(64.8% 0.091 217.6);

Tailwind

colors: {
  custom: {
    50: '#83b9c9',
    500: '#439cb3',
    950: '#000000',
  },
}

SCSS

$custom: #439cb3;
$custom-light: #83b9c9;
$custom-dark: #000000;

JSON

{
  "hex": "#439cb3",
  "rgb": {
    "r": 67,
    "g": 156,
    "b": 179
  },
  "hsl": {
    "h": 192.321,
    "s": 45.528,
    "l": 48.235
  },
  "oklch": {
    "l": 0.64822,
    "c": 0.09051,
    "h": 217.6
  },
  "luminance": 0.28225
}

Semantic roles & 50–950 ramp

primary

#439CB3

secondary

#C4998D

accent

#6D53D5

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #439CB3

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

Preview Lab → · Contrast checker → · Palette generator →