#339BD0#339BD0

#339BD0 is a light, vivid cyan. Relative luminance 0.287; OKLCH L 65.4% C 0.121 H 235.6°. Best body text is #000000 at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#339BD0
RGB	rgb(51, 155, 208)
HSL	hsl(200, 63%, 51%)
HSV	hsv(200, 75%, 82%)
CMYK	cmyk(75.5%, 25.5%, 0%, 18.4%)
CIE-LAB	lab(60.51, -11.73, -35.54)
CIE-LCH	lch(60.51, 37.42, 251.73°)
OKLab	oklab(65.42% -0.0686 -0.1002)
OKLCH	oklch(65.42% 0.121 235.6)
XYZ	xyz(24.4672, 28.6977, 63.9120)
Luminance	0.2870 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#339BD0 #D06833

analogous

#33D0B7 #339BD0 #334CD0

triadic

#339BD0 #D0339B #9BD033

tetradic

#339BD0 #B733D0 #D06833 #4CD033

square

#339BD0 #B733D0 #D06833 #4CD033

split-complementary

#339BD0 #D0334C #D0B733

monochromatic

#1A526F #2577A1 #339BD0 #65B3DB #96CCE7

Accessibility & contrast

On white

3.12

#339BD0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.74

#339BD0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #339BD0

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##339BD0	#FFFFFF	#000000	##000000
##339BD0	1.00	3.12	6.74	6.74
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.74	21.00	1.00	1.00
##000000	6.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#819AD2

Deuteranopia (green-blind)

#6C8BCF

Tritanopia (blue-blind)

#00A9AD

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #339bd0;
/* rgb */ color: rgb(51, 155, 208);
/* oklch */ color: oklch(65.4% 0.121 235.6);

Tailwind

colors: {
  custom: {
    50: '#81b8de',
    500: '#339bd0',
    950: '#000000',
  },
}

SCSS

$custom: #339bd0;
$custom-light: #81b8de;
$custom-dark: #000000;

JSON

{
  "hex": "#339bd0",
  "rgb": {
    "r": 51,
    "g": 155,
    "b": 208
  },
  "hsl": {
    "h": 200.255,
    "s": 62.55,
    "l": 50.784
  },
  "oklch": {
    "l": 0.65421,
    "c": 0.12143,
    "h": 235.6
  },
  "luminance": 0.28701
}

Semantic roles & 50–950 ramp

primary

#339BD0

secondary

#D2A48D

accent

#7942E6

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #339BD0

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

Preview Lab → · Contrast checker → · Palette generator →