#339FB7#339FB7

#339FB7 is a light, moderate cyan. Relative luminance 0.289; OKLCH L 65.2% C 0.101 H 215.9°. Best body text is #000000 at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#339FB7
RGB	rgb(51, 159, 183)
HSL	hsl(191, 56%, 46%)
HSV	hsv(191, 72%, 72%)
CMYK	cmyk(72.1%, 13.1%, 0%, 28.2%)
CIE-LAB	lab(60.71, -22.22, -21.21)
CIE-LCH	lch(60.71, 30.72, 223.67°)
OKLab	oklab(65.24% -0.0817 -0.0591)
OKLCH	oklch(65.24% 0.101 215.9)
XYZ	xyz(22.3070, 28.9164, 49.1963)
Luminance	0.2892 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#339FB7 #B74B33

analogous

#33B78D #339FB7 #335DB7

triadic

#339FB7 #B7339F #9FB733

tetradic

#339FB7 #8D33B7 #B74B33 #5DB733

square

#339FB7 #8D33B7 #B74B33 #5DB733

split-complementary

#339FB7 #B7335D #B78D33

monochromatic

#184C57 #267587 #339FB7 #57BAD0 #87CEDE

Accessibility & contrast

On white

3.10

#339FB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.78

#339FB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #339FB7

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##339FB7	#FFFFFF	#000000	##000000
##339FB7	1.00	3.10	6.78	6.78
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.78	21.00	1.00	1.00
##000000	6.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F9AB8

Deuteranopia (green-blind)

#7C8DB7

Tritanopia (blue-blind)

#00A8A6

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #339fb7;
/* rgb */ color: rgb(51, 159, 183);
/* oklch */ color: oklch(65.2% 0.101 215.9);

Tailwind

colors: {
  custom: {
    50: '#7dbbcc',
    500: '#339fb7',
    950: '#000000',
  },
}

SCSS

$custom: #339fb7;
$custom-light: #7dbbcc;
$custom-dark: #000000;

JSON

{
  "hex": "#339fb7",
  "rgb": {
    "r": 51,
    "g": 159,
    "b": 183
  },
  "hsl": {
    "h": 190.909,
    "s": 56.41,
    "l": 45.882
  },
  "oklch": {
    "l": 0.65244,
    "c": 0.10089,
    "h": 215.9
  },
  "luminance": 0.28919
}

Semantic roles & 50–950 ramp

primary

#339FB7

secondary

#C78C7F

accent

#6448E0

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1213

muted

#7C8182

Preview Lab

Preview with #339FB7

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

Preview Lab → · Contrast checker → · Palette generator →