#3345B5#3345B5

#3345B5 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.9% C 0.177 H 270.4°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#3345B5
RGB	rgb(51, 69, 181)
HSL	hsl(232, 56%, 45%)
HSV	hsv(232, 72%, 71%)
CMYK	cmyk(71.8%, 61.9%, 0%, 29%)
CIE-LAB	lab(34.59, 31.59, -61.40)
CIE-LCH	lch(34.59, 69.05, 297.22°)
OKLab	oklab(44.85% 0.0014 -0.1773)
OKLCH	oklch(44.85% 0.177 270.4)
XYZ	xyz(11.8310, 8.2950, 44.6847)
Luminance	0.0830 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3345B5 #B5A333

analogous

#3386B5 #3345B5 #6233B5

triadic

#3345B5 #B53345 #45B533

tetradic

#3345B5 #B53386 #B5A333 #33B562

square

#3345B5 #B53386 #B5A333 #33B562

split-complementary

#3345B5 #B56233 #86B533

monochromatic

#182156 #263385 #3345B5 #5667CF #8692DD

Accessibility & contrast

On white

7.90

#3345B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#3345B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3345B5

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3345B5	#FFFFFF	#000000	##FFFFFF
##3345B5	1.00	7.90	2.66	7.90
#FFFFFF	7.90	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B9

Deuteranopia (green-blind)

#004BB3

Tritanopia (blue-blind)

#006276

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3345b5;
/* rgb */ color: rgb(51, 69, 181);
/* oklch */ color: oklch(44.9% 0.177 270.4);

Tailwind

colors: {
  custom: {
    50: '#7d78cc',
    500: '#3345b5',
    950: '#000000',
  },
}

SCSS

$custom: #3345b5;
$custom-light: #7d78cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3345b5",
  "rgb": {
    "r": 51,
    "g": 69,
    "b": 181
  },
  "hsl": {
    "h": 231.692,
    "s": 56.034,
    "l": 45.49
  },
  "oklch": {
    "l": 0.44853,
    "c": 0.17729,
    "h": 270.4
  },
  "luminance": 0.08296
}

Semantic roles & 50–950 ramp

primary

#3345B5

secondary

#C6BC7D

accent

#CA48DF

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3345B5

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

Preview Lab → · Contrast checker → · Palette generator →