#339CC5#339CC5

#339CC5 is a light, moderate cyan. Relative luminance 0.285; OKLCH L 65.1% C 0.111 H 228.6°. Best body text is #000000 at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#339CC5
RGB	rgb(51, 156, 197)
HSL	hsl(197, 59%, 49%)
HSV	hsv(197, 74%, 77%)
CMYK	cmyk(74.1%, 20.8%, 0%, 22.7%)
CIE-LAB	lab(60.35, -16.03, -29.64)
CIE-LCH	lch(60.35, 33.69, 241.60°)
OKLab	oklab(65.13% -0.0734 -0.0832)
OKLCH	oklch(65.13% 0.111 228.6)
XYZ	xyz(23.3277, 28.5092, 57.0859)
Luminance	0.2851 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#339CC5 #C55C33

analogous

#33C5A5 #339CC5 #3353C5

triadic

#339CC5 #C5339C #9CC533

tetradic

#339CC5 #A533C5 #C55C33 #53C533

square

#339CC5 #A533C5 #C55C33 #53C533

split-complementary

#339CC5 #C53353 #C5A533

monochromatic

#1A4F64 #267694 #339CC5 #5FB5D6 #90CBE2

Accessibility & contrast

On white

3.13

#339CC5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.70

#339CC5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #339CC5

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##339CC5	#FFFFFF	#000000	##000000
##339CC5	1.00	3.13	6.70	6.70
#FFFFFF	3.13	1.00	21.00	21.00
#000000	6.70	21.00	1.00	1.00
##000000	6.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8799C7

Deuteranopia (green-blind)

#738BC4

Tritanopia (blue-blind)

#00A8AA

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #339cc5;
/* rgb */ color: rgb(51, 156, 197);
/* oklch */ color: oklch(65.1% 0.111 228.6);

Tailwind

colors: {
  custom: {
    50: '#7fb9d6',
    500: '#339cc5',
    950: '#000000',
  },
}

SCSS

$custom: #339cc5;
$custom-light: #7fb9d6;
$custom-dark: #000000;

JSON

{
  "hex": "#339cc5",
  "rgb": {
    "r": 51,
    "g": 156,
    "b": 197
  },
  "hsl": {
    "h": 196.849,
    "s": 58.871,
    "l": 48.627
  },
  "oklch": {
    "l": 0.65134,
    "c": 0.11094,
    "h": 228.6
  },
  "luminance": 0.28512
}

Semantic roles & 50–950 ramp

primary

#339CC5

secondary

#CD9B87

accent

#7246E2

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0B1114

muted

#7C8083

Preview Lab

Preview with #339CC5

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

Preview Lab → · Contrast checker → · Palette generator →