#339BB8#339BB8

#339BB8 is a light, moderate cyan. Relative luminance 0.276; OKLCH L 64.3% C 0.102 H 220.4°. Best body text is #000000 at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#339BB8
RGB	rgb(51, 155, 184)
HSL	hsl(193, 57%, 46%)
HSV	hsv(193, 72%, 72%)
CMYK	cmyk(72.3%, 15.8%, 0%, 27.8%)
CIE-LAB	lab(59.53, -19.80, -23.58)
CIE-LCH	lch(59.53, 30.79, 229.98°)
OKLab	oklab(64.31% -0.0773 -0.0659)
OKLCH	oklch(64.31% 0.102 220.4)
XYZ	xyz(21.7347, 27.6047, 49.5209)
Luminance	0.2761 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#339BB8 #B85033

analogous

#33B892 #339BB8 #3358B8

triadic

#339BB8 #B8339B #9BB833

tetradic

#339BB8 #9233B8 #B85033 #58B833

square

#339BB8 #9233B8 #B85033 #58B833

split-complementary

#339BB8 #B83358 #B89233

monochromatic

#184A58 #267388 #339BB8 #58B6D1 #88CBDE

Accessibility & contrast

On white

3.22

#339BB8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.52

#339BB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #339BB8

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##339BB8	#FFFFFF	#000000	##000000
##339BB8	1.00	3.22	6.52	6.52
#FFFFFF	3.22	1.00	21.00	21.00
#000000	6.52	21.00	1.00	1.00
##000000	6.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8997BA

Deuteranopia (green-blind)

#778AB8

Tritanopia (blue-blind)

#00A4A4

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #339bb8;
/* rgb */ color: rgb(51, 155, 184);
/* oklch */ color: oklch(64.3% 0.102 220.4);

Tailwind

colors: {
  custom: {
    50: '#7db8cd',
    500: '#339bb8',
    950: '#000000',
  },
}

SCSS

$custom: #339bb8;
$custom-light: #7db8cd;
$custom-dark: #000000;

JSON

{
  "hex": "#339bb8",
  "rgb": {
    "r": 51,
    "g": 155,
    "b": 184
  },
  "hsl": {
    "h": 193.083,
    "s": 56.596,
    "l": 46.078
  },
  "oklch": {
    "l": 0.6431,
    "c": 0.10157,
    "h": 220.4
  },
  "luminance": 0.27607
}

Semantic roles & 50–950 ramp

primary

#339BB8

secondary

#C88F7F

accent

#6948E0

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #339BB8

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

Preview Lab → · Contrast checker → · Palette generator →