#339FB8#339FB8

#339FB8 is a light, moderate cyan. Relative luminance 0.290; OKLCH L 65.3% C 0.101 H 216.7°. Best body text is #000000 at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#339FB8
RGB	rgb(51, 159, 184)
HSL	hsl(191, 57%, 46%)
HSV	hsv(191, 72%, 72%)
CMYK	cmyk(72.3%, 13.6%, 0%, 27.8%)
CIE-LAB	lab(60.74, -21.90, -21.72)
CIE-LCH	lch(60.74, 30.84, 224.77°)
OKLab	oklab(65.29% -0.0813 -0.0606)
OKLCH	oklch(65.29% 0.101 216.7)
XYZ	xyz(22.4115, 28.9582, 49.7464)
Luminance	0.2896 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#339FB8 #B84C33

analogous

#33B88E #339FB8 #335CB8

triadic

#339FB8 #B8339F #9FB833

tetradic

#339FB8 #8E33B8 #B84C33 #5CB833

square

#339FB8 #8E33B8 #B84C33 #5CB833

split-complementary

#339FB8 #B8335C #B88E33

monochromatic

#184C58 #267688 #339FB8 #58BAD1 #88CEDE

Accessibility & contrast

On white

3.09

#339FB8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.79

#339FB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #339FB8

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##339FB8	#FFFFFF	#000000	##000000
##339FB8	1.00	3.09	6.79	6.79
#FFFFFF	3.09	1.00	21.00	21.00
#000000	6.79	21.00	1.00	1.00
##000000	6.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E9AB9

Deuteranopia (green-blind)

#7C8DB8

Tritanopia (blue-blind)

#00A8A7

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #339fb8;
/* rgb */ color: rgb(51, 159, 184);
/* oklch */ color: oklch(65.3% 0.101 216.7);

Tailwind

colors: {
  custom: {
    50: '#7dbbcd',
    500: '#339fb8',
    950: '#000000',
  },
}

SCSS

$custom: #339fb8;
$custom-light: #7dbbcd;
$custom-dark: #000000;

JSON

{
  "hex": "#339fb8",
  "rgb": {
    "r": 51,
    "g": 159,
    "b": 184
  },
  "hsl": {
    "h": 191.278,
    "s": 56.596,
    "l": 46.078
  },
  "oklch": {
    "l": 0.65286,
    "c": 0.10142,
    "h": 216.7
  },
  "luminance": 0.28961
}

Semantic roles & 50–950 ramp

primary

#339FB8

secondary

#C88D7F

accent

#6448E0

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1213

muted

#7C8182

Preview Lab

Preview with #339FB8

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

Preview Lab → · Contrast checker → · Palette generator →