#3367CC#3367CC

#3367CC is a mid, vivid blue. Relative luminance 0.148; OKLCH L 53.5% C 0.167 H 262.0°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#3367CC
RGB	rgb(51, 103, 204)
HSL	hsl(220, 60%, 50%)
HSV	hsv(220, 75%, 80%)
CMYK	cmyk(75%, 49.5%, 0%, 20%)
CIE-LAB	lab(45.31, 18.07, -57.41)
CIE-LCH	lch(45.31, 60.19, 287.47°)
OKLab	oklab(53.46% -0.0233 -0.165)
OKLCH	oklch(53.46% 0.167 262)
XYZ	xyz(17.1107, 14.7620, 59.0626)
Luminance	0.1476 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3367CC #CC9833

analogous

#33B3CC #3367CC #4C33CC

triadic

#3367CC #CC3367 #67CC33

tetradic

#3367CC #CC33B3 #CC9833 #33CC4C

square

#3367CC #CC33B3 #CC9833 #33CC4C

split-complementary

#3367CC #CC4C33 #B3CC33

monochromatic

#1B366A #274E9B #3367CC #648BD8 #95B0E4

Accessibility & contrast

On white

5.31

#3367CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#3367CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3367CC

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3367CC	#FFFFFF	#000000	##FFFFFF
##3367CC	1.00	5.31	3.95	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B73D0

Deuteranopia (green-blind)

#0065CA

Tritanopia (blue-blind)

#007F90

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3367cc;
/* rgb */ color: rgb(51, 103, 204);
/* oklch */ color: oklch(53.5% 0.167 262.0);

Tailwind

colors: {
  custom: {
    50: '#8091dc',
    500: '#3367cc',
    950: '#000000',
  },
}

SCSS

$custom: #3367cc;
$custom-light: #8091dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3367cc",
  "rgb": {
    "r": 51,
    "g": 103,
    "b": 204
  },
  "hsl": {
    "h": 219.608,
    "s": 60,
    "l": 50
  },
  "oklch": {
    "l": 0.53458,
    "c": 0.16667,
    "h": 262
  },
  "luminance": 0.14764
}

Semantic roles & 50–950 ramp

primary

#3367CC

secondary

#D0B88B

accent

#AD45E3

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3367CC

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

Preview Lab → · Contrast checker → · Palette generator →