#3367BB#3367BB

#3367BB is a mid, vivid blue. Relative luminance 0.140; OKLCH L 52.3% C 0.144 H 259.6°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#3367BB
RGB	rgb(51, 103, 187)
HSL	hsl(217, 57%, 47%)
HSV	hsv(217, 73%, 73%)
CMYK	cmyk(72.7%, 44.9%, 0%, 26.7%)
CIE-LAB	lab(44.22, 11.72, -49.34)
CIE-LCH	lch(44.22, 50.71, 283.37°)
OKLab	oklab(52.28% -0.026 -0.1413)
OKLCH	oklch(52.28% 0.144 259.6)
XYZ	xyz(15.1819, 13.9905, 48.9044)
Luminance	0.1399 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3367BB #BB8733

analogous

#33ABBB #3367BB #4333BB

triadic

#3367BB #BB3367 #67BB33

tetradic

#3367BB #BB33AB #BB8733 #33BB43

square

#3367BB #BB33AB #BB8733 #33BB43

split-complementary

#3367BB #BB4333 #ABBB33

monochromatic

#19325B #264D8B #3367BB #5987D2 #89AADF

Accessibility & contrast

On white

5.53

#3367BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#3367BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3367BB

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3367BB	#FFFFFF	#000000	##FFFFFF
##3367BB	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D6FBE

Deuteranopia (green-blind)

#2263B9

Tritanopia (blue-blind)

#007B88

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3367bb;
/* rgb */ color: rgb(51, 103, 187);
/* oklch */ color: oklch(52.3% 0.144 259.6);

Tailwind

colors: {
  custom: {
    50: '#7c91d0',
    500: '#3367bb',
    950: '#000000',
  },
}

SCSS

$custom: #3367bb;
$custom-light: #7c91d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3367bb",
  "rgb": {
    "r": 51,
    "g": 103,
    "b": 187
  },
  "hsl": {
    "h": 217.059,
    "s": 57.143,
    "l": 46.667
  },
  "oklch": {
    "l": 0.52275,
    "c": 0.14365,
    "h": 259.6
  },
  "luminance": 0.13992
}

Semantic roles & 50–950 ramp

primary

#3367BB

secondary

#C9AD81

accent

#A647E0

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3367BB

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

Preview Lab → · Contrast checker → · Palette generator →