#339CC4#339CC4

#339CC4 is a light, moderate cyan. Relative luminance 0.285; OKLCH L 65.1% C 0.110 H 228.0°. Best body text is #000000 at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#339CC4
RGB	rgb(51, 156, 196)
HSL	hsl(197, 59%, 48%)
HSV	hsv(197, 74%, 77%)
CMYK	cmyk(74%, 20.4%, 0%, 23.1%)
CIE-LAB	lab(60.31, -16.36, -29.14)
CIE-LCH	lch(60.31, 33.42, 240.69°)
OKLab	oklab(65.09% -0.0737 -0.0818)
OKLCH	oklch(65.09% 0.11 228)
XYZ	xyz(23.2135, 28.4635, 56.4844)
Luminance	0.2847 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#339CC4 #C45B33

analogous

#33C4A3 #339CC4 #3353C4

triadic

#339CC4 #C4339C #9CC433

tetradic

#339CC4 #A333C4 #C45B33 #53C433

square

#339CC4 #A333C4 #C45B33 #53C433

split-complementary

#339CC4 #C43353 #C4A333

monochromatic

#1A4F63 #267593 #339CC4 #5FB5D5 #8FCBE2

Accessibility & contrast

On white

3.14

#339CC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.69

#339CC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #339CC4

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##339CC4	#FFFFFF	#000000	##000000
##339CC4	1.00	3.14	6.69	6.69
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.69	21.00	1.00	1.00
##000000	6.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8799C6

Deuteranopia (green-blind)

#738BC3

Tritanopia (blue-blind)

#00A7A9

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #339cc4;
/* rgb */ color: rgb(51, 156, 196);
/* oklch */ color: oklch(65.1% 0.110 228.0);

Tailwind

colors: {
  custom: {
    50: '#7fb9d6',
    500: '#339cc4',
    950: '#000000',
  },
}

SCSS

$custom: #339cc4;
$custom-light: #7fb9d6;
$custom-dark: #000000;

JSON

{
  "hex": "#339cc4",
  "rgb": {
    "r": 51,
    "g": 156,
    "b": 196
  },
  "hsl": {
    "h": 196.552,
    "s": 58.704,
    "l": 48.431
  },
  "oklch": {
    "l": 0.65088,
    "c": 0.11012,
    "h": 228
  },
  "luminance": 0.28466
}

Semantic roles & 50–950 ramp

primary

#339CC4

secondary

#CD9A86

accent

#7146E2

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0B1114

muted

#7C8083

Preview Lab

Preview with #339CC4

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

Preview Lab → · Contrast checker → · Palette generator →