#3345BC#3345BC

#3345BC is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.5% C 0.187 H 270.4°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#3345BC
RGB	rgb(51, 69, 188)
HSL	hsl(232, 57%, 47%)
HSV	hsv(232, 73%, 74%)
CMYK	cmyk(72.9%, 63.3%, 0%, 26.3%)
CIE-LAB	lab(35.18, 34.11, -64.56)
CIE-LCH	lch(35.18, 73.02, 297.85°)
OKLab	oklab(45.47% 0.0012 -0.1865)
OKLCH	oklch(45.47% 0.187 270.4)
XYZ	xyz(12.5674, 8.5896, 48.5628)
Luminance	0.0859 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.55

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3345BC #BCAA33

analogous

#338ABC #3345BC #6633BC

triadic

#3345BC #BC3345 #45BC33

tetradic

#3345BC #BC338A #BCAA33 #33BC66

square

#3345BC #BC338A #BCAA33 #33BC66

split-complementary

#3345BC #BC6633 #8ABC33

monochromatic

#19225C #26338C #3345BC #5A6AD2 #8A95DF

Accessibility & contrast

On white

7.73

#3345BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#3345BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3345BC

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3345BC	#FFFFFF	#000000	##FFFFFF
##3345BC	1.00	7.73	2.72	7.73
#FFFFFF	7.73	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C0

Deuteranopia (green-blind)

#004CBA

Tritanopia (blue-blind)

#00647A

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3345bc;
/* rgb */ color: rgb(51, 69, 188);
/* oklch */ color: oklch(45.5% 0.187 270.4);

Tailwind

colors: {
  custom: {
    50: '#7e78d1',
    500: '#3345bc',
    950: '#000000',
  },
}

SCSS

$custom: #3345bc;
$custom-light: #7e78d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3345bc",
  "rgb": {
    "r": 51,
    "g": 69,
    "b": 188
  },
  "hsl": {
    "h": 232.117,
    "s": 57.322,
    "l": 46.863
  },
  "oklch": {
    "l": 0.45473,
    "c": 0.18655,
    "h": 270.4
  },
  "luminance": 0.08591
}

Semantic roles & 50–950 ramp

primary

#3345BC

secondary

#C9C081

accent

#CC47E1

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0B0914

muted

#7C7B83

Preview Lab

Preview with #3345BC

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

Preview Lab → · Contrast checker → · Palette generator →