#336CC9#336CC9

#336CC9 is a mid, vivid blue. Relative luminance 0.156; OKLCH L 54.3% C 0.157 H 259.8°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#336CC9
RGB	rgb(51, 108, 201)
HSL	hsl(217, 60%, 49%)
HSV	hsv(217, 75%, 79%)
CMYK	cmyk(74.6%, 46.3%, 0%, 21.2%)
CIE-LAB	lab(46.50, 13.76, -53.76)
CIE-LCH	lch(46.50, 55.49, 284.36°)
OKLab	oklab(54.32% -0.0279 -0.1542)
OKLCH	oklch(54.32% 0.157 259.8)
XYZ	xyz(17.2666, 15.6440, 57.3566)
Luminance	0.1565 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#336CC9 #C99033

analogous

#33B7C9 #336CC9 #4533C9

triadic

#336CC9 #C9336C #6CC933

tetradic

#336CC9 #C933B7 #C99033 #33C945

square

#336CC9 #C933B7 #C99033 #33C945

split-complementary

#336CC9 #C94533 #B7C933

monochromatic

#1A3867 #275298 #336CC9 #628FD7 #93B2E4

Accessibility & contrast

On white

5.09

#336CC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#336CC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #336CC9

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##336CC9	#FFFFFF	#000000	##FFFFFF
##336CC9	1.00	5.09	4.13	5.09
#FFFFFF	5.09	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B76CC

Deuteranopia (green-blind)

#1668C7

Tritanopia (blue-blind)

#008291

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #336cc9;
/* rgb */ color: rgb(51, 108, 201);
/* oklch */ color: oklch(54.3% 0.157 259.8);

Tailwind

colors: {
  custom: {
    50: '#7f95da',
    500: '#336cc9',
    950: '#000000',
  },
}

SCSS

$custom: #336cc9;
$custom-light: #7f95da;
$custom-dark: #000000;

JSON

{
  "hex": "#336cc9",
  "rgb": {
    "r": 51,
    "g": 108,
    "b": 201
  },
  "hsl": {
    "h": 217.2,
    "s": 59.524,
    "l": 49.412
  },
  "oklch": {
    "l": 0.54315,
    "c": 0.15669,
    "h": 259.8
  },
  "luminance": 0.15646
}

Semantic roles & 50–950 ramp

primary

#336CC9

secondary

#CFB489

accent

#A745E3

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0B0D15

muted

#7C7E83

Preview Lab

Preview with #336CC9

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

Preview Lab → · Contrast checker → · Palette generator →