#439DB5#439DB5

#439DB5 is a light, moderate cyan. Relative luminance 0.286; OKLCH L 65.1% C 0.092 H 218.3°. Best body text is #000000 at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#439DB5
RGB	rgb(67, 157, 181)
HSL	hsl(193, 46%, 49%)
HSV	hsv(193, 63%, 71%)
CMYK	cmyk(63%, 13.3%, 0%, 29%)
CIE-LAB	lab(60.46, -19.33, -20.42)
CIE-LCH	lch(60.46, 28.12, 226.58°)
OKLab	oklab(65.15% -0.072 -0.0568)
OKLCH	oklch(65.15% 0.092 218.3)
XYZ	xyz(22.7088, 28.6411, 48.0386)
Luminance	0.2864 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#439DB5 #B55B43

analogous

#43B594 #439DB5 #4364B5

triadic

#439DB5 #B5439D #9DB543

tetradic

#439DB5 #9443B5 #B55B43 #64B543

square

#439DB5 #9443B5 #B55B43 #64B543

split-complementary

#439DB5 #B54364 #B59443

monochromatic

#22505C #327688 #439DB5 #6CB5C9 #99CCD9

Accessibility & contrast

On white

3.12

#439DB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.73

#439DB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #439DB5

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##439DB5	#FFFFFF	#000000	##000000
##439DB5	1.00	3.12	6.73	6.73
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.73	21.00	1.00	1.00
##000000	6.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E99B6

Deuteranopia (green-blind)

#7D8DB5

Tritanopia (blue-blind)

#00A5A5

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #439db5;
/* rgb */ color: rgb(67, 157, 181);
/* oklch */ color: oklch(65.1% 0.092 218.3);

Tailwind

colors: {
  custom: {
    50: '#83bacb',
    500: '#439db5',
    950: '#000000',
  },
}

SCSS

$custom: #439db5;
$custom-light: #83bacb;
$custom-dark: #000000;

JSON

{
  "hex": "#439db5",
  "rgb": {
    "r": 67,
    "g": 157,
    "b": 181
  },
  "hsl": {
    "h": 192.632,
    "s": 45.968,
    "l": 48.627
  },
  "oklch": {
    "l": 0.65147,
    "c": 0.09169,
    "h": 218.3
  },
  "luminance": 0.28643
}

Semantic roles & 50–950 ramp

primary

#439DB5

secondary

#C59A8F

accent

#6E52D6

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #439DB5

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

Preview Lab → · Contrast checker → · Palette generator →