#3399E2#3399E2

#3399E2 is a light, vivid cyan. Relative luminance 0.290; OKLCH L 65.9% C 0.142 H 244.5°. Best body text is #000000 at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#3399E2
RGB	rgb(51, 153, 226)
HSL	hsl(205, 75%, 54%)
HSV	hsv(205, 77%, 89%)
CMYK	cmyk(77.4%, 32.3%, 0%, 11.4%)
CIE-LAB	lab(60.76, -4.30, -45.17)
CIE-LCH	lch(60.76, 45.38, 264.56°)
OKLab	oklab(65.89% -0.0611 -0.1283)
OKLCH	oklch(65.89% 0.142 244.5)
XYZ	xyz(26.4786, 28.9741, 76.1338)
Luminance	0.2898 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3399E2 #E27C33

analogous

#33E2D4 #3399E2 #3342E2

triadic

#3399E2 #E23399 #99E233

tetradic

#3399E2 #D433E2 #E27C33 #42E233

square

#3399E2 #D433E2 #E27C33 #42E233

split-complementary

#3399E2 #E23342 #E2D433

monochromatic

#135787 #1B79BD #3399E2 #69B4EA #9ECFF1

Accessibility & contrast

On white

3.09

#3399E2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.80

#3399E2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3399E2

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3399E2	#FFFFFF	#000000	##000000
##3399E2	1.00	3.09	6.80	6.80
#FFFFFF	3.09	1.00	21.00	21.00
#000000	6.80	21.00	1.00	1.00
##000000	6.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#779BE5

Deuteranopia (green-blind)

#5E8BE1

Tritanopia (blue-blind)

#00ABB3

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #3399e2;
/* rgb */ color: rgb(51, 153, 226);
/* oklch */ color: oklch(65.9% 0.142 244.5);

Tailwind

colors: {
  custom: {
    50: '#84b6eb',
    500: '#3399e2',
    950: '#000000',
  },
}

SCSS

$custom: #3399e2;
$custom-light: #84b6eb;
$custom-dark: #000000;

JSON

{
  "hex": "#3399e2",
  "rgb": {
    "r": 51,
    "g": 153,
    "b": 226
  },
  "hsl": {
    "h": 205.029,
    "s": 75.107,
    "l": 54.314
  },
  "oklch": {
    "l": 0.65888,
    "c": 0.14208,
    "h": 244.5
  },
  "luminance": 0.28977
}

Semantic roles & 50–950 ramp

primary

#3399E2

secondary

#DEB293

accent

#8436F2

background

#F8FBFE

surface

#F0F6FD

border

#CBD0D5

text

#0D1116

muted

#7D8084

Preview Lab

Preview with #3399E2

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

Preview Lab → · Contrast checker → · Palette generator →