#3399C9#3399C9

#3399C9 is a light, moderate cyan. Relative luminance 0.277; OKLCH L 64.6% C 0.116 H 233.4°. Best body text is #000000 at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#3399C9
RGB	rgb(51, 153, 201)
HSL	hsl(199, 60%, 49%)
HSV	hsv(199, 75%, 79%)
CMYK	cmyk(74.6%, 23.9%, 0%, 21.2%)
CIE-LAB	lab(59.62, -13.03, -33.01)
CIE-LCH	lch(59.62, 35.49, 248.46°)
OKLab	oklab(64.61% -0.069 -0.0929)
OKLCH	oklch(64.61% 0.116 233.4)
XYZ	xyz(23.2949, 27.7006, 59.3660)
Luminance	0.2770 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3399C9 #C96333

analogous

#33C9AE #3399C9 #334EC9

triadic

#3399C9 #C93399 #99C933

tetradic

#3399C9 #AE33C9 #C96333 #4EC933

square

#3399C9 #AE33C9 #C96333 #4EC933

split-complementary

#3399C9 #C9334E #C9AE33

monochromatic

#1A4F67 #277498 #3399C9 #62B2D7 #93CAE4

Accessibility & contrast

On white

3.21

#3399C9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.54

#3399C9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3399C9

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3399C9	#FFFFFF	#000000	##000000
##3399C9	1.00	3.21	6.54	6.54
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.54	21.00	1.00	1.00
##000000	6.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8198CB

Deuteranopia (green-blind)

#6D89C8

Tritanopia (blue-blind)

#00A6A9

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #3399c9;
/* rgb */ color: rgb(51, 153, 201);
/* oklch */ color: oklch(64.6% 0.116 233.4);

Tailwind

colors: {
  custom: {
    50: '#7fb7d9',
    500: '#3399c9',
    950: '#000000',
  },
}

SCSS

$custom: #3399c9;
$custom-light: #7fb7d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3399c9",
  "rgb": {
    "r": 51,
    "g": 153,
    "b": 201
  },
  "hsl": {
    "h": 199.2,
    "s": 59.524,
    "l": 49.412
  },
  "oklch": {
    "l": 0.64607,
    "c": 0.11579,
    "h": 233.4
  },
  "luminance": 0.27703
}

Semantic roles & 50–950 ramp

primary

#3399C9

secondary

#CF9F89

accent

#7845E3

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #3399C9

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

Preview Lab → · Contrast checker → · Palette generator →