#339CBC#339CBC

#339CBC is a light, moderate cyan. Relative luminance 0.281; OKLCH L 64.7% C 0.104 H 222.5°. Best body text is #000000 at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#339CBC
RGB	rgb(51, 156, 188)
HSL	hsl(194, 57%, 47%)
HSV	hsv(194, 73%, 74%)
CMYK	cmyk(72.9%, 17%, 0%, 26.3%)
CIE-LAB	lab(59.99, -19.02, -25.13)
CIE-LCH	lch(59.99, 31.52, 232.88°)
OKLab	oklab(64.73% -0.0768 -0.0703)
OKLCH	oklch(64.73% 0.104 222.5)
XYZ	xyz(22.3271, 28.1090, 51.8161)
Luminance	0.2811 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#339CBC #BC5333

analogous

#33BC98 #339CBC #3357BC

triadic

#339CBC #BC339C #9CBC33

tetradic

#339CBC #9833BC #BC5333 #57BC33

square

#339CBC #9833BC #BC5333 #57BC33

split-complementary

#339CBC #BC3357 #BC9833

monochromatic

#194C5C #26748C #339CBC #5AB6D2 #8ACBDF

Accessibility & contrast

On white

3.17

#339CBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.62

#339CBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #339CBC

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##339CBC	#FFFFFF	#000000	##000000
##339CBC	1.00	3.17	6.62	6.62
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.62	21.00	1.00	1.00
##000000	6.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8998BE

Deuteranopia (green-blind)

#778BBC

Tritanopia (blue-blind)

#00A6A6

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #339cbc;
/* rgb */ color: rgb(51, 156, 188);
/* oklch */ color: oklch(64.7% 0.104 222.5);

Tailwind

colors: {
  custom: {
    50: '#7eb9d0',
    500: '#339cbc',
    950: '#000000',
  },
}

SCSS

$custom: #339cbc;
$custom-light: #7eb9d0;
$custom-dark: #000000;

JSON

{
  "hex": "#339cbc",
  "rgb": {
    "r": 51,
    "g": 156,
    "b": 188
  },
  "hsl": {
    "h": 194.015,
    "s": 57.322,
    "l": 46.863
  },
  "oklch": {
    "l": 0.64728,
    "c": 0.10409,
    "h": 222.5
  },
  "luminance": 0.28112
}

Semantic roles & 50–950 ramp

primary

#339CBC

secondary

#C99281

accent

#6B47E1

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #339CBC

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

Preview Lab → · Contrast checker → · Palette generator →