#339DB7#339DB7

#339DB7 is a light, moderate cyan. Relative luminance 0.282; OKLCH L 64.8% C 0.101 H 217.8°. Best body text is #000000 at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#339DB7
RGB	rgb(51, 157, 183)
HSL	hsl(192, 56%, 46%)
HSV	hsv(192, 72%, 72%)
CMYK	cmyk(72.1%, 14.2%, 0%, 28.2%)
CIE-LAB	lab(60.10, -21.18, -22.14)
CIE-LCH	lch(60.10, 30.64, 226.28°)
OKLab	oklab(64.76% -0.0797 -0.0618)
OKLCH	oklch(64.76% 0.101 217.8)
XYZ	xyz(21.9659, 28.2341, 49.0826)
Luminance	0.2824 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#339DB7 #B74D33

analogous

#33B78F #339DB7 #335BB7

triadic

#339DB7 #B7339D #9DB733

tetradic

#339DB7 #8F33B7 #B74D33 #5BB733

square

#339DB7 #8F33B7 #B74D33 #5BB733

split-complementary

#339DB7 #B7335B #B78F33

monochromatic

#184B57 #267487 #339DB7 #57B8D0 #87CCDE

Accessibility & contrast

On white

3.16

#339DB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.65

#339DB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #339DB7

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##339DB7	#FFFFFF	#000000	##000000
##339DB7	1.00	3.16	6.65	6.65
#FFFFFF	3.16	1.00	21.00	21.00
#000000	6.65	21.00	1.00	1.00
##000000	6.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C98B8

Deuteranopia (green-blind)

#7A8BB7

Tritanopia (blue-blind)

#00A6A5

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #339db7;
/* rgb */ color: rgb(51, 157, 183);
/* oklch */ color: oklch(64.8% 0.101 217.8);

Tailwind

colors: {
  custom: {
    50: '#7dbacc',
    500: '#339db7',
    950: '#000000',
  },
}

SCSS

$custom: #339db7;
$custom-light: #7dbacc;
$custom-dark: #000000;

JSON

{
  "hex": "#339db7",
  "rgb": {
    "r": 51,
    "g": 157,
    "b": 183
  },
  "hsl": {
    "h": 191.818,
    "s": 56.41,
    "l": 45.882
  },
  "oklch": {
    "l": 0.64755,
    "c": 0.10086,
    "h": 217.8
  },
  "luminance": 0.28237
}

Semantic roles & 50–950 ramp

primary

#339DB7

secondary

#C78D7F

accent

#6648E0

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #339DB7

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

Preview Lab → · Contrast checker → · Palette generator →