#339CB2#339CB2

#339CB2 is a light, moderate cyan. Relative luminance 0.277; OKLCH L 64.3% C 0.098 H 214.7°. Best body text is #000000 at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#339CB2
RGB	rgb(51, 156, 178)
HSL	hsl(190, 55%, 45%)
HSV	hsv(190, 71%, 70%)
CMYK	cmyk(71.3%, 12.4%, 0%, 30.2%)
CIE-LAB	lab(59.61, -22.27, -20.07)
CIE-LCH	lch(59.61, 29.98, 222.03°)
OKLab	oklab(64.3% -0.0807 -0.0559)
OKLCH	oklch(64.3% 0.098 214.7)
XYZ	xyz(21.2862, 27.6926, 46.3342)
Luminance	0.2769 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#339CB2 #B24933

analogous

#33B289 #339CB2 #335CB2

triadic

#339CB2 #B2339C #9CB233

tetradic

#339CB2 #8933B2 #B24933 #5CB233

square

#339CB2 #8933B2 #B24933 #5CB233

split-complementary

#339CB2 #B2335C #B28933

monochromatic

#184953 #257282 #339CB2 #54B9CE #84CCDC

Accessibility & contrast

On white

3.21

#339CB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.54

#339CB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #339CB2

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##339CB2	#FFFFFF	#000000	##000000
##339CB2	1.00	3.21	6.54	6.54
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.54	21.00	1.00	1.00
##000000	6.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C97B3

Deuteranopia (green-blind)

#7B8AB2

Tritanopia (blue-blind)

#00A4A3

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #339cb2;
/* rgb */ color: rgb(51, 156, 178);
/* oklch */ color: oklch(64.3% 0.098 214.7);

Tailwind

colors: {
  custom: {
    50: '#7cb9c9',
    500: '#339cb2',
    950: '#000000',
  },
}

SCSS

$custom: #339cb2;
$custom-light: #7cb9c9;
$custom-dark: #000000;

JSON

{
  "hex": "#339cb2",
  "rgb": {
    "r": 51,
    "g": 156,
    "b": 178
  },
  "hsl": {
    "h": 190.394,
    "s": 55.459,
    "l": 44.902
  },
  "oklch": {
    "l": 0.643,
    "c": 0.09819,
    "h": 214.7
  },
  "luminance": 0.27695
}

Semantic roles & 50–950 ramp

primary

#339CB2

secondary

#C5887C

accent

#6349DF

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #339CB2

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

Preview Lab → · Contrast checker → · Palette generator →