#336CC3#336CC3

#336CC3 is a mid, vivid blue. Relative luminance 0.154; OKLCH L 53.9% C 0.149 H 258.8°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#336CC3
RGB	rgb(51, 108, 195)
HSL	hsl(216, 59%, 48%)
HSV	hsv(216, 74%, 76%)
CMYK	cmyk(73.8%, 44.6%, 0%, 23.5%)
CIE-LAB	lab(46.13, 11.53, -50.90)
CIE-LCH	lch(46.13, 52.19, 282.76°)
OKLab	oklab(53.91% -0.0289 -0.1458)
OKLCH	oklch(53.91% 0.149 258.8)
XYZ	xyz(16.5745, 15.3672, 53.7118)
Luminance	0.1537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#336CC3 #C38A33

analogous

#33B4C3 #336CC3 #4233C3

triadic

#336CC3 #C3336C #6CC333

tetradic

#336CC3 #C333B4 #C38A33 #33C342

square

#336CC3 #C333B4 #C38A33 #33C342

split-complementary

#336CC3 #C34233 #B4C333

monochromatic

#1A3662 #265192 #336CC3 #5E8DD5 #8FB0E2

Accessibility & contrast

On white

5.15

#336CC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#336CC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #336CC3

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##336CC3	#FFFFFF	#000000	##FFFFFF
##336CC3	1.00	5.15	4.07	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4074C6

Deuteranopia (green-blind)

#2367C1

Tritanopia (blue-blind)

#00808E

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #336cc3;
/* rgb */ color: rgb(51, 108, 195);
/* oklch */ color: oklch(53.9% 0.149 258.8);

Tailwind

colors: {
  custom: {
    50: '#7e95d6',
    500: '#336cc3',
    950: '#000000',
  },
}

SCSS

$custom: #336cc3;
$custom-light: #7e95d6;
$custom-dark: #000000;

JSON

{
  "hex": "#336cc3",
  "rgb": {
    "r": 51,
    "g": 108,
    "b": 195
  },
  "hsl": {
    "h": 216.25,
    "s": 58.537,
    "l": 48.235
  },
  "oklch": {
    "l": 0.5391,
    "c": 0.14863,
    "h": 258.8
  },
  "luminance": 0.15369
}

Semantic roles & 50–950 ramp

primary

#336CC3

secondary

#CCB086

accent

#A446E2

background

#F8F9FD

surface

#EFF1FA

border

#CACBD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #336CC3

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

Preview Lab → · Contrast checker → · Palette generator →