#3399C3#3399C3

#3399C3 is a light, moderate cyan. Relative luminance 0.274; OKLCH L 64.3% C 0.110 H 229.8°. Best body text is #000000 at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#3399C3
RGB	rgb(51, 153, 195)
HSL	hsl(198, 59%, 48%)
HSV	hsv(198, 74%, 76%)
CMYK	cmyk(73.8%, 21.5%, 0%, 23.5%)
CIE-LAB	lab(59.36, -15.07, -30.04)
CIE-LCH	lch(59.36, 33.61, 243.35°)
OKLab	oklab(64.32% -0.0712 -0.0844)
OKLCH	oklch(64.32% 0.11 229.8)
XYZ	xyz(22.6028, 27.4238, 55.7212)
Luminance	0.2743 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3399C3 #C35D33

analogous

#33C3A5 #3399C3 #3351C3

triadic

#3399C3 #C33399 #99C333

tetradic

#3399C3 #A533C3 #C35D33 #51C333

square

#3399C3 #A533C3 #C35D33 #51C333

split-complementary

#3399C3 #C33351 #C3A533

monochromatic

#1A4D62 #267392 #3399C3 #5EB2D5 #8FC9E2

Accessibility & contrast

On white

3.24

#3399C3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.49

#3399C3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3399C3

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3399C3	#FFFFFF	#000000	##000000
##3399C3	1.00	3.24	6.49	6.49
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.49	21.00	1.00	1.00
##000000	6.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8397C5

Deuteranopia (green-blind)

#7089C2

Tritanopia (blue-blind)

#00A5A7

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #3399c3;
/* rgb */ color: rgb(51, 153, 195);
/* oklch */ color: oklch(64.3% 0.110 229.8);

Tailwind

colors: {
  custom: {
    50: '#7eb7d5',
    500: '#3399c3',
    950: '#000000',
  },
}

SCSS

$custom: #3399c3;
$custom-light: #7eb7d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3399c3",
  "rgb": {
    "r": 51,
    "g": 153,
    "b": 195
  },
  "hsl": {
    "h": 197.5,
    "s": 58.537,
    "l": 48.235
  },
  "oklch": {
    "l": 0.64322,
    "c": 0.11038,
    "h": 229.8
  },
  "luminance": 0.27426
}

Semantic roles & 50–950 ramp

primary

#3399C3

secondary

#CC9A86

accent

#7346E2

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0B1114

muted

#7C8083

Preview Lab

Preview with #3399C3

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

Preview Lab → · Contrast checker → · Palette generator →