#339BB0#339BB0

#339BB0 is a light, moderate cyan. Relative luminance 0.273; OKLCH L 64.0% C 0.097 H 214.0°. Best body text is #000000 at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#339BB0
RGB	rgb(51, 155, 176)
HSL	hsl(190, 55%, 45%)
HSV	hsv(190, 71%, 69%)
CMYK	cmyk(71%, 11.9%, 0%, 31%)
CIE-LAB	lab(59.23, -22.39, -19.52)
CIE-LCH	lch(59.23, 29.70, 221.08°)
OKLab	oklab(63.97% -0.0805 -0.0543)
OKLCH	oklch(63.97% 0.097 214)
XYZ	xyz(20.9197, 27.2787, 45.2287)
Luminance	0.2728 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#339BB0 #B04833

analogous

#33B087 #339BB0 #335DB0

triadic

#339BB0 #B0339B #9BB033

tetradic

#339BB0 #8733B0 #B04833 #5DB033

square

#339BB0 #8733B0 #B04833 #5DB033

split-complementary

#339BB0 #B0335D #B08733

monochromatic

#184751 #257181 #339BB0 #53B9CD #82CCDB

Accessibility & contrast

On white

3.25

#339BB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.46

#339BB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #339BB0

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##339BB0	#FFFFFF	#000000	##000000
##339BB0	1.00	3.25	6.46	6.46
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.46	21.00	1.00	1.00
##000000	6.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C96B1

Deuteranopia (green-blind)

#7A89B0

Tritanopia (blue-blind)

#00A3A1

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #339bb0;
/* rgb */ color: rgb(51, 155, 176);
/* oklch */ color: oklch(64.0% 0.097 214.0);

Tailwind

colors: {
  custom: {
    50: '#7cb8c7',
    500: '#339bb0',
    950: '#000000',
  },
}

SCSS

$custom: #339bb0;
$custom-light: #7cb8c7;
$custom-dark: #000000;

JSON

{
  "hex": "#339bb0",
  "rgb": {
    "r": 51,
    "g": 155,
    "b": 176
  },
  "hsl": {
    "h": 190.08,
    "s": 55.066,
    "l": 44.51
  },
  "oklch": {
    "l": 0.63971,
    "c": 0.09715,
    "h": 214
  },
  "luminance": 0.27281
}

Semantic roles & 50–950 ramp

primary

#339BB0

secondary

#C4877B

accent

#6249DE

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #339BB0

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

Preview Lab → · Contrast checker → · Palette generator →