#339BB7#339BB7

#339BB7 is a light, moderate cyan. Relative luminance 0.276; OKLCH L 64.3% C 0.101 H 219.7°. Best body text is #000000 at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#339BB7
RGB	rgb(51, 155, 183)
HSL	hsl(193, 56%, 46%)
HSV	hsv(193, 72%, 72%)
CMYK	cmyk(72.1%, 15.3%, 0%, 28.2%)
CIE-LAB	lab(59.49, -20.13, -23.08)
CIE-LCH	lch(59.49, 30.62, 228.90°)
OKLab	oklab(64.27% -0.0777 -0.0644)
OKLCH	oklch(64.27% 0.101 219.7)
XYZ	xyz(21.6303, 27.5629, 48.9707)
Luminance	0.2757 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#339BB7 #B74F33

analogous

#33B791 #339BB7 #3359B7

triadic

#339BB7 #B7339B #9BB733

tetradic

#339BB7 #9133B7 #B74F33 #59B733

square

#339BB7 #9133B7 #B74F33 #59B733

split-complementary

#339BB7 #B73359 #B79133

monochromatic

#184A57 #267287 #339BB7 #57B6D0 #87CBDE

Accessibility & contrast

On white

3.22

#339BB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.51

#339BB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #339BB7

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##339BB7	#FFFFFF	#000000	##000000
##339BB7	1.00	3.22	6.51	6.51
#FFFFFF	3.22	1.00	21.00	21.00
#000000	6.51	21.00	1.00	1.00
##000000	6.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A97B9

Deuteranopia (green-blind)

#788AB7

Tritanopia (blue-blind)

#00A4A4

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #339bb7;
/* rgb */ color: rgb(51, 155, 183);
/* oklch */ color: oklch(64.3% 0.101 219.7);

Tailwind

colors: {
  custom: {
    50: '#7db8cc',
    500: '#339bb7',
    950: '#000000',
  },
}

SCSS

$custom: #339bb7;
$custom-light: #7db8cc;
$custom-dark: #000000;

JSON

{
  "hex": "#339bb7",
  "rgb": {
    "r": 51,
    "g": 155,
    "b": 183
  },
  "hsl": {
    "h": 192.727,
    "s": 56.41,
    "l": 45.882
  },
  "oklch": {
    "l": 0.64267,
    "c": 0.10095,
    "h": 219.7
  },
  "luminance": 0.27565
}

Semantic roles & 50–950 ramp

primary

#339BB7

secondary

#C78E7F

accent

#6848E0

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #339BB7

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

Preview Lab → · Contrast checker → · Palette generator →