#339BE2#339BE2

#339BE2 is a light, vivid cyan. Relative luminance 0.296; OKLCH L 66.3% C 0.140 H 243.4°. Best body text is #000000 at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#339BE2
RGB	rgb(51, 155, 226)
HSL	hsl(204, 75%, 54%)
HSV	hsv(204, 77%, 89%)
CMYK	cmyk(77.4%, 31.4%, 0%, 11.4%)
CIE-LAB	lab(61.34, -5.45, -44.26)
CIE-LCH	lch(61.34, 44.59, 262.99°)
OKLab	oklab(66.35% -0.0629 -0.1256)
OKLCH	oklch(66.35% 0.14 243.4)
XYZ	xyz(26.8087, 29.6343, 76.2438)
Luminance	0.2964 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#339BE2 #E27A33

analogous

#33E2D2 #339BE2 #3344E2

triadic

#339BE2 #E2339B #9BE233

tetradic

#339BE2 #D233E2 #E27A33 #44E233

square

#339BE2 #D233E2 #E27A33 #44E233

split-complementary

#339BE2 #E23344 #E2D233

monochromatic

#135887 #1B7BBD #339BE2 #69B5EA #9ED0F1

Accessibility & contrast

On white

3.03

#339BE2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.93

#339BE2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #339BE2

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##339BE2	#FFFFFF	#000000	##000000
##339BE2	1.00	3.03	6.93	6.93
#FFFFFF	3.03	1.00	21.00	21.00
#000000	6.93	21.00	1.00	1.00
##000000	6.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A9DE5

Deuteranopia (green-blind)

#628DE1

Tritanopia (blue-blind)

#00ACB4

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #339be2;
/* rgb */ color: rgb(51, 155, 226);
/* oklch */ color: oklch(66.3% 0.140 243.4);

Tailwind

colors: {
  custom: {
    50: '#84b8eb',
    500: '#339be2',
    950: '#000000',
  },
}

SCSS

$custom: #339be2;
$custom-light: #84b8eb;
$custom-dark: #000000;

JSON

{
  "hex": "#339be2",
  "rgb": {
    "r": 51,
    "g": 155,
    "b": 226
  },
  "hsl": {
    "h": 204.343,
    "s": 75.107,
    "l": 54.314
  },
  "oklch": {
    "l": 0.66345,
    "c": 0.14044,
    "h": 243.4
  },
  "luminance": 0.29637
}

Semantic roles & 50–950 ramp

primary

#339BE2

secondary

#DEB193

accent

#8236F2

background

#F8FBFE

surface

#F0F6FD

border

#CBD0D5

text

#0D1116

muted

#7D8084

Preview Lab

Preview with #339BE2

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

Preview Lab → · Contrast checker → · Palette generator →