#3364BB#3364BB

#3364BB is a mid, vivid blue. Relative luminance 0.134; OKLCH L 51.6% C 0.147 H 260.9°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#3364BB
RGB	rgb(51, 100, 187)
HSL	hsl(218, 57%, 47%)
HSV	hsv(218, 73%, 73%)
CMYK	cmyk(72.7%, 46.5%, 0%, 26.7%)
CIE-LAB	lab(43.37, 13.64, -50.71)
CIE-LCH	lch(43.37, 52.51, 285.06°)
OKLab	oklab(51.62% -0.0233 -0.1454)
OKLCH	oklch(51.62% 0.147 260.9)
XYZ	xyz(14.8888, 13.4044, 48.8067)
Luminance	0.1341 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3364BB #BB8A33

analogous

#33A8BB #3364BB #4633BB

triadic

#3364BB #BB3364 #64BB33

tetradic

#3364BB #BB33A8 #BB8A33 #33BB46

square

#3364BB #BB33A8 #BB8A33 #33BB46

split-complementary

#3364BB #BB4633 #A8BB33

monochromatic

#19315B #264A8B #3364BB #5985D2 #89A8DF

Accessibility & contrast

On white

5.70

#3364BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#3364BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3364BB

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3364BB	#FFFFFF	#000000	##FFFFFF
##3364BB	1.00	5.70	3.68	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#366DBE

Deuteranopia (green-blind)

#1761B9

Tritanopia (blue-blind)

#007886

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3364bb;
/* rgb */ color: rgb(51, 100, 187);
/* oklch */ color: oklch(51.6% 0.147 260.9);

Tailwind

colors: {
  custom: {
    50: '#7c8fd0',
    500: '#3364bb',
    950: '#000000',
  },
}

SCSS

$custom: #3364bb;
$custom-light: #7c8fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3364bb",
  "rgb": {
    "r": 51,
    "g": 100,
    "b": 187
  },
  "hsl": {
    "h": 218.382,
    "s": 57.143,
    "l": 46.667
  },
  "oklch": {
    "l": 0.51618,
    "c": 0.14722,
    "h": 260.9
  },
  "luminance": 0.13406
}

Semantic roles & 50–950 ramp

primary

#3364BB

secondary

#C9AF81

accent

#A947E0

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3364BB

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

Preview Lab → · Contrast checker → · Palette generator →