#339DC8#339DC8

#339DC8 is a light, moderate cyan. Relative luminance 0.290; OKLCH L 65.5% C 0.113 H 229.6°. Best body text is #000000 at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#339DC8
RGB	rgb(51, 157, 200)
HSL	hsl(197, 59%, 49%)
HSV	hsv(197, 75%, 78%)
CMYK	cmyk(74.5%, 21.5%, 0%, 21.6%)
CIE-LAB	lab(60.77, -15.56, -30.67)
CIE-LCH	lch(60.77, 34.39, 243.10°)
OKLab	oklab(65.51% -0.0733 -0.0861)
OKLCH	oklch(65.51% 0.113 229.6)
XYZ	xyz(23.8433, 28.9851, 58.9704)
Luminance	0.2899 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#339DC8 #C85E33

analogous

#33C8A9 #339DC8 #3353C8

triadic

#339DC8 #C8339D #9DC833

tetradic

#339DC8 #A933C8 #C85E33 #53C833

square

#339DC8 #A933C8 #C85E33 #53C833

split-complementary

#339DC8 #C83353 #C8A933

monochromatic

#1A5066 #277797 #339DC8 #61B5D7 #92CCE3

Accessibility & contrast

On white

3.09

#339DC8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.80

#339DC8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #339DC8

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##339DC8	#FFFFFF	#000000	##000000
##339DC8	1.00	3.09	6.80	6.80
#FFFFFF	3.09	1.00	21.00	21.00
#000000	6.80	21.00	1.00	1.00
##000000	6.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#879BCA

Deuteranopia (green-blind)

#738CC7

Tritanopia (blue-blind)

#00A9AB

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #339dc8;
/* rgb */ color: rgb(51, 157, 200);
/* oklch */ color: oklch(65.5% 0.113 229.6);

Tailwind

colors: {
  custom: {
    50: '#7fbad9',
    500: '#339dc8',
    950: '#000000',
  },
}

SCSS

$custom: #339dc8;
$custom-light: #7fbad9;
$custom-dark: #000000;

JSON

{
  "hex": "#339dc8",
  "rgb": {
    "r": 51,
    "g": 157,
    "b": 200
  },
  "hsl": {
    "h": 197.315,
    "s": 59.363,
    "l": 49.216
  },
  "oklch": {
    "l": 0.65512,
    "c": 0.11309,
    "h": 229.6
  },
  "luminance": 0.28988
}

Semantic roles & 50–950 ramp

primary

#339DC8

secondary

#CE9D89

accent

#7345E3

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #339DC8

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

Preview Lab → · Contrast checker → · Palette generator →