#439DB4#439DB4

#439DB4 is a light, moderate cyan. Relative luminance 0.286; OKLCH L 65.1% C 0.091 H 217.4°. Best body text is #000000 at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#439DB4
RGB	rgb(67, 157, 180)
HSL	hsl(192, 46%, 48%)
HSV	hsv(192, 63%, 71%)
CMYK	cmyk(62.8%, 12.8%, 0%, 29.4%)
CIE-LAB	lab(60.43, -19.64, -19.91)
CIE-LCH	lch(60.43, 27.97, 225.40°)
OKLab	oklab(65.11% -0.0724 -0.0554)
OKLCH	oklch(65.11% 0.091 217.4)
XYZ	xyz(22.6066, 28.6002, 47.5002)
Luminance	0.2860 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#439DB4 #B45A43

analogous

#43B492 #439DB4 #4364B4

triadic

#439DB4 #B4439D #9DB443

tetradic

#439DB4 #9243B4 #B45A43 #64B443

square

#439DB4 #9243B4 #B45A43 #64B443

split-complementary

#439DB4 #B44364 #B49243

monochromatic

#224F5B #327687 #439DB4 #6CB5C8 #99CCD9

Accessibility & contrast

On white

3.12

#439DB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.72

#439DB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #439DB4

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##439DB4	#FFFFFF	#000000	##000000
##439DB4	1.00	3.12	6.72	6.72
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.72	21.00	1.00	1.00
##000000	6.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E99B5

Deuteranopia (green-blind)

#7D8CB4

Tritanopia (blue-blind)

#00A5A4

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #439db4;
/* rgb */ color: rgb(67, 157, 180);
/* oklch */ color: oklch(65.1% 0.091 217.4);

Tailwind

colors: {
  custom: {
    50: '#83baca',
    500: '#439db4',
    950: '#000000',
  },
}

SCSS

$custom: #439db4;
$custom-light: #83baca;
$custom-dark: #000000;

JSON

{
  "hex": "#439db4",
  "rgb": {
    "r": 67,
    "g": 157,
    "b": 180
  },
  "hsl": {
    "h": 192.212,
    "s": 45.749,
    "l": 48.431
  },
  "oklch": {
    "l": 0.65105,
    "c": 0.09112,
    "h": 217.4
  },
  "luminance": 0.28603
}

Semantic roles & 50–950 ramp

primary

#439DB4

secondary

#C5998E

accent

#6D52D5

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #439DB4

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

Preview Lab → · Contrast checker → · Palette generator →