#339BBC#339BBC

#339BBC is a light, moderate cyan. Relative luminance 0.278; OKLCH L 64.5% C 0.104 H 223.4°. Best body text is #000000 at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#339BBC
RGB	rgb(51, 155, 188)
HSL	hsl(194, 57%, 47%)
HSV	hsv(194, 73%, 74%)
CMYK	cmyk(72.9%, 17.6%, 0%, 26.3%)
CIE-LAB	lab(59.68, -18.49, -25.60)
CIE-LCH	lch(59.68, 31.58, 234.16°)
OKLab	oklab(64.49% -0.0758 -0.0716)
OKLCH	oklch(64.49% 0.104 223.4)
XYZ	xyz(22.1599, 27.7748, 51.7604)
Luminance	0.2778 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#339BBC #BC5433

analogous

#33BC99 #339BBC #3356BC

triadic

#339BBC #BC339B #9BBC33

tetradic

#339BBC #9933BC #BC5433 #56BC33

square

#339BBC #9933BC #BC5433 #56BC33

split-complementary

#339BBC #BC3356 #BC9933

monochromatic

#194C5C #26738C #339BBC #5AB5D2 #8ACBDF

Accessibility & contrast

On white

3.20

#339BBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.56

#339BBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #339BBC

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##339BBC	#FFFFFF	#000000	##000000
##339BBC	1.00	3.20	6.56	6.56
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.56	21.00	1.00	1.00
##000000	6.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8897BE

Deuteranopia (green-blind)

#768ABC

Tritanopia (blue-blind)

#00A5A6

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #339bbc;
/* rgb */ color: rgb(51, 155, 188);
/* oklch */ color: oklch(64.5% 0.104 223.4);

Tailwind

colors: {
  custom: {
    50: '#7eb8d0',
    500: '#339bbc',
    950: '#000000',
  },
}

SCSS

$custom: #339bbc;
$custom-light: #7eb8d0;
$custom-dark: #000000;

JSON

{
  "hex": "#339bbc",
  "rgb": {
    "r": 51,
    "g": 155,
    "b": 188
  },
  "hsl": {
    "h": 194.453,
    "s": 57.322,
    "l": 46.863
  },
  "oklch": {
    "l": 0.64485,
    "c": 0.10426,
    "h": 223.4
  },
  "luminance": 0.27777
}

Semantic roles & 50–950 ramp

primary

#339BBC

secondary

#C99381

accent

#6C47E1

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #339BBC

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

Preview Lab → · Contrast checker → · Palette generator →