#3399C5#3399C5

#3399C5 is a light, moderate cyan. Relative luminance 0.275; OKLCH L 64.4% C 0.112 H 231.1°. Best body text is #000000 at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#3399C5
RGB	rgb(51, 153, 197)
HSL	hsl(198, 59%, 49%)
HSV	hsv(198, 74%, 77%)
CMYK	cmyk(74.1%, 22.3%, 0%, 22.7%)
CIE-LAB	lab(59.45, -14.40, -31.03)
CIE-LCH	lch(59.45, 34.21, 245.11°)
OKLab	oklab(64.42% -0.0705 -0.0872)
OKLCH	oklch(64.42% 0.112 231.1)
XYZ	xyz(22.8305, 27.5148, 56.9201)
Luminance	0.2752 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3399C5 #C55F33

analogous

#33C5A8 #3399C5 #3350C5

triadic

#3399C5 #C53399 #99C533

tetradic

#3399C5 #A833C5 #C55F33 #50C533

square

#3399C5 #A833C5 #C55F33 #50C533

split-complementary

#3399C5 #C53350 #C5A833

monochromatic

#1A4D64 #267394 #3399C5 #5FB2D6 #90CAE2

Accessibility & contrast

On white

3.23

#3399C5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.50

#3399C5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3399C5

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3399C5	#FFFFFF	#000000	##000000
##3399C5	1.00	3.23	6.50	6.50
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.50	21.00	1.00	1.00
##000000	6.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8397C7

Deuteranopia (green-blind)

#6F89C4

Tritanopia (blue-blind)

#00A5A8

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #3399c5;
/* rgb */ color: rgb(51, 153, 197);
/* oklch */ color: oklch(64.4% 0.112 231.1);

Tailwind

colors: {
  custom: {
    50: '#7fb7d6',
    500: '#3399c5',
    950: '#000000',
  },
}

SCSS

$custom: #3399c5;
$custom-light: #7fb7d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3399c5",
  "rgb": {
    "r": 51,
    "g": 153,
    "b": 197
  },
  "hsl": {
    "h": 198.082,
    "s": 58.871,
    "l": 48.627
  },
  "oklch": {
    "l": 0.64416,
    "c": 0.11213,
    "h": 231.1
  },
  "luminance": 0.27517
}

Semantic roles & 50–950 ramp

primary

#3399C5

secondary

#CD9C87

accent

#7546E2

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0B1114

muted

#7C8083

Preview Lab

Preview with #3399C5

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

Preview Lab → · Contrast checker → · Palette generator →