#3345B2#3345B2

#3345B2 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.6% C 0.173 H 270.5°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#3345B2
RGB	rgb(51, 69, 178)
HSL	hsl(231, 55%, 45%)
HSV	hsv(231, 71%, 70%)
CMYK	cmyk(71.3%, 61.2%, 0%, 30.2%)
CIE-LAB	lab(34.34, 30.50, -60.03)
CIE-LCH	lch(34.34, 67.34, 296.94°)
OKLab	oklab(44.59% 0.0014 -0.1733)
OKLCH	oklch(44.59% 0.173 270.5)
XYZ	xyz(11.5265, 8.1732, 43.0810)
Luminance	0.0817 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3345B2 #B2A033

analogous

#3385B2 #3345B2 #6033B2

triadic

#3345B2 #B23345 #45B233

tetradic

#3345B2 #B23385 #B2A033 #33B260

square

#3345B2 #B23385 #B2A033 #33B260

split-complementary

#3345B2 #B26033 #85B233

monochromatic

#182053 #253382 #3345B2 #5465CE #8490DC

Accessibility & contrast

On white

7.97

#3345B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#3345B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3345B2

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3345B2	#FFFFFF	#000000	##FFFFFF
##3345B2	1.00	7.97	2.63	7.97
#FFFFFF	7.97	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B6

Deuteranopia (green-blind)

#004BB0

Tritanopia (blue-blind)

#006175

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3345b2;
/* rgb */ color: rgb(51, 69, 178);
/* oklch */ color: oklch(44.6% 0.173 270.5);

Tailwind

colors: {
  custom: {
    50: '#7c78ca',
    500: '#3345b2',
    950: '#000000',
  },
}

SCSS

$custom: #3345b2;
$custom-light: #7c78ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3345b2",
  "rgb": {
    "r": 51,
    "g": 69,
    "b": 178
  },
  "hsl": {
    "h": 231.496,
    "s": 55.459,
    "l": 44.902
  },
  "oklch": {
    "l": 0.44592,
    "c": 0.17327,
    "h": 270.5
  },
  "luminance": 0.08174
}

Semantic roles & 50–950 ramp

primary

#3345B2

secondary

#C5BB7C

accent

#CA49DF

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3345B2

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

Preview Lab → · Contrast checker → · Palette generator →