#339FB9#339FB9

#339FB9 is a light, moderate cyan. Relative luminance 0.290; OKLCH L 65.3% C 0.102 H 217.5°. Best body text is #000000 at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#339FB9
RGB	rgb(51, 159, 185)
HSL	hsl(192, 57%, 46%)
HSV	hsv(192, 72%, 73%)
CMYK	cmyk(72.4%, 14.1%, 0%, 27.5%)
CIE-LAB	lab(60.78, -21.58, -22.23)
CIE-LCH	lch(60.78, 30.98, 225.85°)
OKLab	oklab(65.33% -0.0809 -0.062)
OKLCH	oklch(65.33% 0.102 217.5)
XYZ	xyz(22.5167, 29.0002, 50.3004)
Luminance	0.2900 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#339FB9 #B94D33

analogous

#33B990 #339FB9 #335CB9

triadic

#339FB9 #B9339F #9FB933

tetradic

#339FB9 #9033B9 #B94D33 #5CB933

square

#339FB9 #9033B9 #B94D33 #5CB933

split-complementary

#339FB9 #B9335C #B99033

monochromatic

#194D59 #267689 #339FB9 #58BAD1 #88CEDE

Accessibility & contrast

On white

3.09

#339FB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.80

#339FB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #339FB9

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##339FB9	#FFFFFF	#000000	##000000
##339FB9	1.00	3.09	6.80	6.80
#FFFFFF	3.09	1.00	21.00	21.00
#000000	6.80	21.00	1.00	1.00
##000000	6.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E9ABA

Deuteranopia (green-blind)

#7C8DB9

Tritanopia (blue-blind)

#00A8A7

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #339fb9;
/* rgb */ color: rgb(51, 159, 185);
/* oklch */ color: oklch(65.3% 0.102 217.5);

Tailwind

colors: {
  custom: {
    50: '#7ebbce',
    500: '#339fb9',
    950: '#000000',
  },
}

SCSS

$custom: #339fb9;
$custom-light: #7ebbce;
$custom-dark: #000000;

JSON

{
  "hex": "#339fb9",
  "rgb": {
    "r": 51,
    "g": 159,
    "b": 185
  },
  "hsl": {
    "h": 191.642,
    "s": 56.78,
    "l": 46.275
  },
  "oklch": {
    "l": 0.65328,
    "c": 0.10196,
    "h": 217.5
  },
  "luminance": 0.29003
}

Semantic roles & 50–950 ramp

primary

#339FB9

secondary

#C88E80

accent

#6548E0

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1213

muted

#7C8182

Preview Lab

Preview with #339FB9

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

Preview Lab → · Contrast checker → · Palette generator →