#339CB8#339CB8

#339CB8 is a light, moderate cyan. Relative luminance 0.279; OKLCH L 64.6% C 0.101 H 219.5°. Best body text is #000000 at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#339CB8
RGB	rgb(51, 156, 184)
HSL	hsl(193, 57%, 46%)
HSV	hsv(193, 72%, 72%)
CMYK	cmyk(72.3%, 15.2%, 0%, 27.8%)
CIE-LAB	lab(59.83, -20.33, -23.12)
CIE-LCH	lch(59.83, 30.78, 228.67°)
OKLab	oklab(64.55% -0.0783 -0.0645)
OKLCH	oklch(64.55% 0.101 219.5)
XYZ	xyz(21.9018, 27.9389, 49.5766)
Luminance	0.2794 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#339CB8 #B84F33

analogous

#33B891 #339CB8 #3359B8

triadic

#339CB8 #B8339C #9CB833

tetradic

#339CB8 #9133B8 #B84F33 #59B833

square

#339CB8 #9133B8 #B84F33 #59B833

split-complementary

#339CB8 #B83359 #B89133

monochromatic

#184B58 #267388 #339CB8 #58B7D1 #88CCDE

Accessibility & contrast

On white

3.19

#339CB8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.59

#339CB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #339CB8

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##339CB8	#FFFFFF	#000000	##000000
##339CB8	1.00	3.19	6.59	6.59
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.59	21.00	1.00	1.00
##000000	6.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B98BA

Deuteranopia (green-blind)

#788AB8

Tritanopia (blue-blind)

#00A5A5

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #339cb8;
/* rgb */ color: rgb(51, 156, 184);
/* oklch */ color: oklch(64.6% 0.101 219.5);

Tailwind

colors: {
  custom: {
    50: '#7db9cd',
    500: '#339cb8',
    950: '#000000',
  },
}

SCSS

$custom: #339cb8;
$custom-light: #7db9cd;
$custom-dark: #000000;

JSON

{
  "hex": "#339cb8",
  "rgb": {
    "r": 51,
    "g": 156,
    "b": 184
  },
  "hsl": {
    "h": 192.632,
    "s": 56.596,
    "l": 46.078
  },
  "oklch": {
    "l": 0.64554,
    "c": 0.10149,
    "h": 219.5
  },
  "luminance": 0.27941
}

Semantic roles & 50–950 ramp

primary

#339CB8

secondary

#C88E7F

accent

#6848E0

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #339CB8

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

Preview Lab → · Contrast checker → · Palette generator →