#339CC3#339CC3

#339CC3 is a light, moderate cyan. Relative luminance 0.284; OKLCH L 65.0% C 0.109 H 227.3°. Best body text is #000000 at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#339CC3
RGB	rgb(51, 156, 195)
HSL	hsl(196, 59%, 48%)
HSV	hsv(196, 74%, 76%)
CMYK	cmyk(73.8%, 20%, 0%, 23.5%)
CIE-LAB	lab(60.26, -16.70, -28.64)
CIE-LCH	lch(60.26, 33.15, 239.76°)
OKLab	oklab(65.04% -0.0741 -0.0803)
OKLCH	oklch(65.04% 0.109 227.3)
XYZ	xyz(23.1000, 28.4182, 55.8870)
Luminance	0.2842 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#339CC3 #C35A33

analogous

#33C3A2 #339CC3 #3354C3

triadic

#339CC3 #C3339C #9CC333

tetradic

#339CC3 #A233C3 #C35A33 #54C333

square

#339CC3 #A233C3 #C35A33 #54C333

split-complementary

#339CC3 #C33354 #C3A233

monochromatic

#1A4E62 #267592 #339CC3 #5EB5D5 #8FCBE2

Accessibility & contrast

On white

3.14

#339CC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.68

#339CC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #339CC3

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##339CC3	#FFFFFF	#000000	##000000
##339CC3	1.00	3.14	6.68	6.68
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.68	21.00	1.00	1.00
##000000	6.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8799C5

Deuteranopia (green-blind)

#748BC3

Tritanopia (blue-blind)

#00A7A9

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #339cc3;
/* rgb */ color: rgb(51, 156, 195);
/* oklch */ color: oklch(65.0% 0.109 227.3);

Tailwind

colors: {
  custom: {
    50: '#7fb9d5',
    500: '#339cc3',
    950: '#000000',
  },
}

SCSS

$custom: #339cc3;
$custom-light: #7fb9d5;
$custom-dark: #000000;

JSON

{
  "hex": "#339cc3",
  "rgb": {
    "r": 51,
    "g": 156,
    "b": 195
  },
  "hsl": {
    "h": 196.25,
    "s": 58.537,
    "l": 48.235
  },
  "oklch": {
    "l": 0.65042,
    "c": 0.1093,
    "h": 227.3
  },
  "luminance": 0.28421
}

Semantic roles & 50–950 ramp

primary

#339CC3

secondary

#CC9986

accent

#7046E2

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0B1114

muted

#7C8083

Preview Lab

Preview with #339CC3

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

Preview Lab → · Contrast checker → · Palette generator →