#339EB8#339EB8

#339EB8 is a light, moderate cyan. Relative luminance 0.286; OKLCH L 65.0% C 0.101 H 217.6°. Best body text is #000000 at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#339EB8
RGB	rgb(51, 158, 184)
HSL	hsl(192, 57%, 46%)
HSV	hsv(192, 72%, 72%)
CMYK	cmyk(72.3%, 14.1%, 0%, 27.8%)
CIE-LAB	lab(60.44, -21.38, -22.19)
CIE-LCH	lch(60.44, 30.81, 226.06°)
OKLab	oklab(65.04% -0.0803 -0.0619)
OKLCH	oklch(65.04% 0.101 217.6)
XYZ	xyz(22.2402, 28.6156, 49.6893)
Luminance	0.2862 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#339EB8 #B84D33

analogous

#33B88F #339EB8 #335BB8

triadic

#339EB8 #B8339E #9EB833

tetradic

#339EB8 #8F33B8 #B84D33 #5BB833

square

#339EB8 #8F33B8 #B84D33 #5BB833

split-complementary

#339EB8 #B8335B #B88F33

monochromatic

#184C58 #267588 #339EB8 #58B9D1 #88CDDE

Accessibility & contrast

On white

3.12

#339EB8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.72

#339EB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #339EB8

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##339EB8	#FFFFFF	#000000	##000000
##339EB8	1.00	3.12	6.72	6.72
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.72	21.00	1.00	1.00
##000000	6.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D99B9

Deuteranopia (green-blind)

#7B8CB8

Tritanopia (blue-blind)

#00A7A6

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #339eb8;
/* rgb */ color: rgb(51, 158, 184);
/* oklch */ color: oklch(65.0% 0.101 217.6);

Tailwind

colors: {
  custom: {
    50: '#7dbbcd',
    500: '#339eb8',
    950: '#000000',
  },
}

SCSS

$custom: #339eb8;
$custom-light: #7dbbcd;
$custom-dark: #000000;

JSON

{
  "hex": "#339eb8",
  "rgb": {
    "r": 51,
    "g": 158,
    "b": 184
  },
  "hsl": {
    "h": 191.729,
    "s": 56.596,
    "l": 46.078
  },
  "oklch": {
    "l": 0.65042,
    "c": 0.10141,
    "h": 217.6
  },
  "luminance": 0.28618
}

Semantic roles & 50–950 ramp

primary

#339EB8

secondary

#C88D7F

accent

#6648E0

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #339EB8

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

Preview Lab → · Contrast checker → · Palette generator →