#339CB7#339CB7

#339CB7 is a light, moderate cyan. Relative luminance 0.279; OKLCH L 64.5% C 0.101 H 218.7°. Best body text is #000000 at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#339CB7
RGB	rgb(51, 156, 183)
HSL	hsl(192, 56%, 46%)
HSV	hsv(192, 72%, 72%)
CMYK	cmyk(72.1%, 14.8%, 0%, 28.2%)
CIE-LAB	lab(59.80, -20.66, -22.61)
CIE-LCH	lch(59.80, 30.62, 227.59°)
OKLab	oklab(64.51% -0.0787 -0.0631)
OKLCH	oklch(64.51% 0.101 218.7)
XYZ	xyz(21.7974, 27.8971, 49.0265)
Luminance	0.2790 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#339CB7 #B74E33

analogous

#33B790 #339CB7 #335AB7

triadic

#339CB7 #B7339C #9CB733

tetradic

#339CB7 #9033B7 #B74E33 #5AB733

square

#339CB7 #9033B7 #B74E33 #5AB733

split-complementary

#339CB7 #B7335A #B79033

monochromatic

#184A57 #267387 #339CB7 #57B7D0 #87CCDE

Accessibility & contrast

On white

3.19

#339CB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.58

#339CB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #339CB7

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##339CB7	#FFFFFF	#000000	##000000
##339CB7	1.00	3.19	6.58	6.58
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.58	21.00	1.00	1.00
##000000	6.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B98B8

Deuteranopia (green-blind)

#798AB7

Tritanopia (blue-blind)

#00A5A5

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #339cb7;
/* rgb */ color: rgb(51, 156, 183);
/* oklch */ color: oklch(64.5% 0.101 218.7);

Tailwind

colors: {
  custom: {
    50: '#7db9cc',
    500: '#339cb7',
    950: '#000000',
  },
}

SCSS

$custom: #339cb7;
$custom-light: #7db9cc;
$custom-dark: #000000;

JSON

{
  "hex": "#339cb7",
  "rgb": {
    "r": 51,
    "g": 156,
    "b": 183
  },
  "hsl": {
    "h": 192.273,
    "s": 56.41,
    "l": 45.882
  },
  "oklch": {
    "l": 0.64511,
    "c": 0.10089,
    "h": 218.7
  },
  "luminance": 0.279
}

Semantic roles & 50–950 ramp

primary

#339CB7

secondary

#C78D7F

accent

#6748E0

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #339CB7

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

Preview Lab → · Contrast checker → · Palette generator →