#3345B3#3345B3

#3345B3 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.7% C 0.175 H 270.5°. Best body text is #FFFFFF at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#3345B3
RGB	rgb(51, 69, 179)
HSL	hsl(232, 56%, 45%)
HSV	hsv(232, 72%, 70%)
CMYK	cmyk(71.5%, 61.5%, 0%, 29.8%)
CIE-LAB	lab(34.42, 30.86, -60.49)
CIE-LCH	lch(34.42, 67.91, 297.03°)
OKLab	oklab(44.68% 0.0014 -0.1746)
OKLCH	oklch(44.68% 0.175 270.5)
XYZ	xyz(11.6273, 8.2136, 43.6117)
Luminance	0.0822 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3345B3 #B3A133

analogous

#3385B3 #3345B3 #6133B3

triadic

#3345B3 #B33345 #45B333

tetradic

#3345B3 #B33385 #B3A133 #33B361

square

#3345B3 #B33385 #B3A133 #33B361

split-complementary

#3345B3 #B36133 #85B333

monochromatic

#182054 #253383 #3345B3 #5566CE #8491DC

Accessibility & contrast

On white

7.95

#3345B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#3345B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3345B3

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3345B3	#FFFFFF	#000000	##FFFFFF
##3345B3	1.00	7.95	2.64	7.95
#FFFFFF	7.95	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B7

Deuteranopia (green-blind)

#004BB1

Tritanopia (blue-blind)

#006175

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3345b3;
/* rgb */ color: rgb(51, 69, 179);
/* oklch */ color: oklch(44.7% 0.175 270.5);

Tailwind

colors: {
  custom: {
    50: '#7c78cb',
    500: '#3345b3',
    950: '#000000',
  },
}

SCSS

$custom: #3345b3;
$custom-light: #7c78cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3345b3",
  "rgb": {
    "r": 51,
    "g": 69,
    "b": 179
  },
  "hsl": {
    "h": 231.563,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.44679,
    "c": 0.17461,
    "h": 270.5
  },
  "luminance": 0.08215
}

Semantic roles & 50–950 ramp

primary

#3345B3

secondary

#C6BB7C

accent

#CA49DF

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3345B3

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

Preview Lab → · Contrast checker → · Palette generator →