#339DB8#339DB8

#339DB8 is a light, moderate cyan. Relative luminance 0.283; OKLCH L 64.8% C 0.101 H 218.6°. Best body text is #000000 at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#339DB8
RGB	rgb(51, 157, 184)
HSL	hsl(192, 57%, 46%)
HSV	hsv(192, 72%, 72%)
CMYK	cmyk(72.3%, 14.7%, 0%, 27.8%)
CIE-LAB	lab(60.14, -20.86, -22.65)
CIE-LCH	lch(60.14, 30.79, 227.36°)
OKLab	oklab(64.8% -0.0793 -0.0632)
OKLCH	oklch(64.8% 0.101 218.6)
XYZ	xyz(22.0703, 28.2759, 49.6327)
Luminance	0.2828 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#339DB8 #B84E33

analogous

#33B890 #339DB8 #335BB8

triadic

#339DB8 #B8339D #9DB833

tetradic

#339DB8 #9033B8 #B84E33 #5BB833

square

#339DB8 #9033B8 #B84E33 #5BB833

split-complementary

#339DB8 #B8335B #B89033

monochromatic

#184B58 #267488 #339DB8 #58B8D1 #88CCDE

Accessibility & contrast

On white

3.16

#339DB8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.66

#339DB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #339DB8

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##339DB8	#FFFFFF	#000000	##000000
##339DB8	1.00	3.16	6.66	6.66
#FFFFFF	3.16	1.00	21.00	21.00
#000000	6.66	21.00	1.00	1.00
##000000	6.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C99B9

Deuteranopia (green-blind)

#7A8BB8

Tritanopia (blue-blind)

#00A6A6

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #339db8;
/* rgb */ color: rgb(51, 157, 184);
/* oklch */ color: oklch(64.8% 0.101 218.6);

Tailwind

colors: {
  custom: {
    50: '#7dbacd',
    500: '#339db8',
    950: '#000000',
  },
}

SCSS

$custom: #339db8;
$custom-light: #7dbacd;
$custom-dark: #000000;

JSON

{
  "hex": "#339db8",
  "rgb": {
    "r": 51,
    "g": 157,
    "b": 184
  },
  "hsl": {
    "h": 192.18,
    "s": 56.596,
    "l": 46.078
  },
  "oklch": {
    "l": 0.64797,
    "c": 0.10143,
    "h": 218.6
  },
  "luminance": 0.28278
}

Semantic roles & 50–950 ramp

primary

#339DB8

secondary

#C88E7F

accent

#6748E0

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #339DB8

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

Preview Lab → · Contrast checker → · Palette generator →