#3399BE#3399BE

#3399BE is a light, moderate cyan. Relative luminance 0.272; OKLCH L 64.1% C 0.106 H 226.6°. Best body text is #000000 at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#3399BE
RGB	rgb(51, 153, 190)
HSL	hsl(196, 58%, 47%)
HSV	hsv(196, 73%, 75%)
CMYK	cmyk(73.2%, 19.5%, 0%, 25.5%)
CIE-LAB	lab(59.16, -16.75, -27.54)
CIE-LCH	lch(59.16, 32.23, 238.68°)
OKLab	oklab(64.09% -0.073 -0.0772)
OKLCH	oklch(64.09% 0.106 226.6)
XYZ	xyz(22.0469, 27.2014, 52.7937)
Luminance	0.2720 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3399BE #BE5833

analogous

#33BE9D #3399BE #3354BE

triadic

#3399BE #BE3399 #99BE33

tetradic

#3399BE #9D33BE #BE5833 #54BE33

square

#3399BE #9D33BE #BE5833 #54BE33

split-complementary

#3399BE #BE3354 #BE9D33

monochromatic

#194B5E #26728E #3399BE #5BB3D3 #8BC9E0

Accessibility & contrast

On white

3.26

#3399BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.44

#3399BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3399BE

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3399BE	#FFFFFF	#000000	##000000
##3399BE	1.00	3.26	6.44	6.44
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.44	21.00	1.00	1.00
##000000	6.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8596C0

Deuteranopia (green-blind)

#7288BE

Tritanopia (blue-blind)

#00A4A5

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #3399be;
/* rgb */ color: rgb(51, 153, 190);
/* oklch */ color: oklch(64.1% 0.106 226.6);

Tailwind

colors: {
  custom: {
    50: '#7eb7d1',
    500: '#3399be',
    950: '#000000',
  },
}

SCSS

$custom: #3399be;
$custom-light: #7eb7d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3399be",
  "rgb": {
    "r": 51,
    "g": 153,
    "b": 190
  },
  "hsl": {
    "h": 195.971,
    "s": 57.676,
    "l": 47.255
  },
  "oklch": {
    "l": 0.64091,
    "c": 0.10625,
    "h": 226.6
  },
  "luminance": 0.27204
}

Semantic roles & 50–950 ramp

primary

#3399BE

secondary

#CA9683

accent

#7047E1

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #3399BE

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

Preview Lab → · Contrast checker → · Palette generator →