#3399C4#3399C4

#3399C4 is a light, moderate cyan. Relative luminance 0.275; OKLCH L 64.4% C 0.111 H 230.5°. Best body text is #000000 at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#3399C4
RGB	rgb(51, 153, 196)
HSL	hsl(198, 59%, 48%)
HSV	hsv(198, 74%, 77%)
CMYK	cmyk(74%, 21.9%, 0%, 23.1%)
CIE-LAB	lab(59.41, -14.73, -30.53)
CIE-LCH	lch(59.41, 33.90, 244.24°)
OKLab	oklab(64.37% -0.0708 -0.0858)
OKLCH	oklch(64.37% 0.111 230.5)
XYZ	xyz(22.7163, 27.4691, 56.3187)
Luminance	0.2747 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3399C4 #C45E33

analogous

#33C4A6 #3399C4 #3350C4

triadic

#3399C4 #C43399 #99C433

tetradic

#3399C4 #A633C4 #C45E33 #50C433

square

#3399C4 #A633C4 #C45E33 #50C433

split-complementary

#3399C4 #C43350 #C4A633

monochromatic

#1A4D63 #267393 #3399C4 #5FB2D5 #8FC9E2

Accessibility & contrast

On white

3.23

#3399C4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.49

#3399C4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3399C4

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3399C4	#FFFFFF	#000000	##000000
##3399C4	1.00	3.23	6.49	6.49
#FFFFFF	3.23	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)

#8397C6

Deuteranopia (green-blind)

#6F89C3

Tritanopia (blue-blind)

#00A5A7

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #3399c4;
/* rgb */ color: rgb(51, 153, 196);
/* oklch */ color: oklch(64.4% 0.111 230.5);

Tailwind

colors: {
  custom: {
    50: '#7fb7d6',
    500: '#3399c4',
    950: '#000000',
  },
}

SCSS

$custom: #3399c4;
$custom-light: #7fb7d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3399c4",
  "rgb": {
    "r": 51,
    "g": 153,
    "b": 196
  },
  "hsl": {
    "h": 197.793,
    "s": 58.704,
    "l": 48.431
  },
  "oklch": {
    "l": 0.64369,
    "c": 0.11125,
    "h": 230.5
  },
  "luminance": 0.27472
}

Semantic roles & 50–950 ramp

primary

#3399C4

secondary

#CD9B86

accent

#7446E2

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0B1114

muted

#7C8083

Preview Lab

Preview with #3399C4

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

Preview Lab → · Contrast checker → · Palette generator →