#3345CB#3345CB

#3345CB is a mid, highly saturated blue. Relative luminance 0.093; OKLCH L 46.8% C 0.206 H 270.1°. Best body text is #FFFFFF at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#3345CB
RGB	rgb(51, 69, 203)
HSL	hsl(233, 60%, 50%)
HSV	hsv(233, 75%, 80%)
CMYK	cmyk(74.9%, 66%, 0%, 20.4%)
CIE-LAB	lab(36.50, 39.45, -71.17)
CIE-LCH	lch(36.50, 81.37, 299.00°)
OKLab	oklab(46.84% 0.0003 -0.2059)
OKLCH	oklch(46.84% 0.206 270.1)
XYZ	xyz(14.2692, 9.2703, 57.5257)
Luminance	0.0927 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3345CB #CBB933

analogous

#3391CB #3345CB #6D33CB

triadic

#3345CB #CB3345 #45CB33

tetradic

#3345CB #CB3391 #CBB933 #33CB6D

square

#3345CB #CB3391 #CBB933 #33CB6D

split-complementary

#3345CB #CB6D33 #91CB33

monochromatic

#1A2469 #27349A #3345CB #6371D8 #949EE4

Accessibility & contrast

On white

7.36

#3345CB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#3345CB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3345CB

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3345CB	#FFFFFF	#000000	##FFFFFF
##3345CB	1.00	7.36	2.85	7.36
#FFFFFF	7.36	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DCF

Deuteranopia (green-blind)

#004FC8

Tritanopia (blue-blind)

#006982

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3345cb;
/* rgb */ color: rgb(51, 69, 203);
/* oklch */ color: oklch(46.8% 0.206 270.1);

Tailwind

colors: {
  custom: {
    50: '#8279dc',
    500: '#3345cb',
    950: '#000000',
  },
}

SCSS

$custom: #3345cb;
$custom-light: #8279dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3345cb",
  "rgb": {
    "r": 51,
    "g": 69,
    "b": 203
  },
  "hsl": {
    "h": 232.895,
    "s": 59.843,
    "l": 49.804
  },
  "oklch": {
    "l": 0.46843,
    "c": 0.20588,
    "h": 270.1
  },
  "luminance": 0.09272
}

Semantic roles & 50–950 ramp

primary

#3345CB

secondary

#CFC78B

accent

#D045E3

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0915

muted

#7D7B83

Preview Lab

Preview with #3345CB

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

Preview Lab → · Contrast checker → · Palette generator →