#339DBC#339DBC

#339DBC is a light, moderate cyan. Relative luminance 0.284; OKLCH L 65.0% C 0.104 H 221.6°. Best body text is #000000 at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#339DBC
RGB	rgb(51, 157, 188)
HSL	hsl(194, 57%, 47%)
HSV	hsv(194, 73%, 74%)
CMYK	cmyk(72.9%, 16.5%, 0%, 26.3%)
CIE-LAB	lab(60.29, -19.55, -24.67)
CIE-LCH	lch(60.29, 31.48, 231.60°)
OKLab	oklab(64.97% -0.0778 -0.069)
OKLCH	oklch(64.97% 0.104 221.6)
XYZ	xyz(22.4955, 28.4460, 51.8722)
Luminance	0.2845 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#339DBC #BC5233

analogous

#33BC97 #339DBC #3358BC

triadic

#339DBC #BC339D #9DBC33

tetradic

#339DBC #9733BC #BC5233 #58BC33

square

#339DBC #9733BC #BC5233 #58BC33

split-complementary

#339DBC #BC3358 #BC9733

monochromatic

#194D5C #26758C #339DBC #5AB7D2 #8ACCDF

Accessibility & contrast

On white

3.14

#339DBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.69

#339DBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #339DBC

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##339DBC	#FFFFFF	#000000	##000000
##339DBC	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)

#8B99BE

Deuteranopia (green-blind)

#788BBC

Tritanopia (blue-blind)

#00A7A7

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #339dbc;
/* rgb */ color: rgb(51, 157, 188);
/* oklch */ color: oklch(65.0% 0.104 221.6);

Tailwind

colors: {
  custom: {
    50: '#7ebad0',
    500: '#339dbc',
    950: '#000000',
  },
}

SCSS

$custom: #339dbc;
$custom-light: #7ebad0;
$custom-dark: #000000;

JSON

{
  "hex": "#339dbc",
  "rgb": {
    "r": 51,
    "g": 157,
    "b": 188
  },
  "hsl": {
    "h": 193.577,
    "s": 57.322,
    "l": 46.863
  },
  "oklch": {
    "l": 0.6497,
    "c": 0.10394,
    "h": 221.6
  },
  "luminance": 0.28449
}

Semantic roles & 50–950 ramp

primary

#339DBC

secondary

#C99281

accent

#6A47E1

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #339DBC

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

Preview Lab → · Contrast checker → · Palette generator →