#339FB5#339FB5

#339FB5 is a light, moderate cyan. Relative luminance 0.288; OKLCH L 65.2% C 0.100 H 214.3°. Best body text is #000000 at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#339FB5
RGB	rgb(51, 159, 181)
HSL	hsl(190, 56%, 45%)
HSV	hsv(190, 72%, 71%)
CMYK	cmyk(71.8%, 12.2%, 0%, 29%)
CIE-LAB	lab(60.63, -22.86, -20.20)
CIE-LCH	lch(60.63, 30.51, 221.46°)
OKLab	oklab(65.16% -0.0825 -0.0563)
OKLCH	oklch(65.16% 0.1 214.3)
XYZ	xyz(22.1003, 28.8337, 48.1078)
Luminance	0.2884 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#339FB5 #B54933

analogous

#33B58A #339FB5 #335EB5

triadic

#339FB5 #B5339F #9FB533

tetradic

#339FB5 #8A33B5 #B54933 #5EB533

square

#339FB5 #8A33B5 #B54933 #5EB533

split-complementary

#339FB5 #B5335E #B58A33

monochromatic

#184B56 #267585 #339FB5 #56BBCF #86CEDD

Accessibility & contrast

On white

3.10

#339FB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.77

#339FB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #339FB5

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##339FB5	#FFFFFF	#000000	##000000
##339FB5	1.00	3.10	6.77	6.77
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.77	21.00	1.00	1.00
##000000	6.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F9AB6

Deuteranopia (green-blind)

#7D8DB5

Tritanopia (blue-blind)

#00A7A6

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #339fb5;
/* rgb */ color: rgb(51, 159, 181);
/* oklch */ color: oklch(65.2% 0.100 214.3);

Tailwind

colors: {
  custom: {
    50: '#7dbbcb',
    500: '#339fb5',
    950: '#000000',
  },
}

SCSS

$custom: #339fb5;
$custom-light: #7dbbcb;
$custom-dark: #000000;

JSON

{
  "hex": "#339fb5",
  "rgb": {
    "r": 51,
    "g": 159,
    "b": 181
  },
  "hsl": {
    "h": 190.154,
    "s": 56.034,
    "l": 45.49
  },
  "oklch": {
    "l": 0.65161,
    "c": 0.0999,
    "h": 214.3
  },
  "luminance": 0.28836
}

Semantic roles & 50–950 ramp

primary

#339FB5

secondary

#C68A7D

accent

#6248DF

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1213

muted

#7C8182

Preview Lab

Preview with #339FB5

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

Preview Lab → · Contrast checker → · Palette generator →