#3345AF#3345AF

#3345AF is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.3% C 0.169 H 270.5°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#3345AF
RGB	rgb(51, 69, 175)
HSL	hsl(231, 55%, 44%)
HSV	hsv(231, 71%, 69%)
CMYK	cmyk(70.9%, 60.6%, 0%, 31.4%)
CIE-LAB	lab(34.10, 29.41, -58.65)
CIE-LCH	lch(34.10, 65.61, 296.63°)
OKLab	oklab(44.33% 0.0015 -0.1692)
OKLCH	oklch(44.33% 0.169 270.5)
XYZ	xyz(11.2286, 8.0541, 41.5120)
Luminance	0.0805 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3345AF #AF9D33

analogous

#3383AF #3345AF #5F33AF

triadic

#3345AF #AF3345 #45AF33

tetradic

#3345AF #AF3383 #AF9D33 #33AF5F

square

#3345AF #AF3383 #AF9D33 #33AF5F

split-complementary

#3345AF #AF5F33 #83AF33

monochromatic

#172050 #253280 #3345AF #5264CD #828FDB

Accessibility & contrast

On white

8.04

#3345AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#3345AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3345AF

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3345AF	#FFFFFF	#000000	##FFFFFF
##3345AF	1.00	8.04	2.61	8.04
#FFFFFF	8.04	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B3

Deuteranopia (green-blind)

#004BAD

Tritanopia (blue-blind)

#006073

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3345af;
/* rgb */ color: rgb(51, 69, 175);
/* oklch */ color: oklch(44.3% 0.169 270.5);

Tailwind

colors: {
  custom: {
    50: '#7b78c8',
    500: '#3345af',
    950: '#000000',
  },
}

SCSS

$custom: #3345af;
$custom-light: #7b78c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3345af",
  "rgb": {
    "r": 51,
    "g": 69,
    "b": 175
  },
  "hsl": {
    "h": 231.29,
    "s": 54.867,
    "l": 44.314
  },
  "oklch": {
    "l": 0.44333,
    "c": 0.16921,
    "h": 270.5
  },
  "luminance": 0.08055
}

Semantic roles & 50–950 ramp

primary

#3345AF

secondary

#C4B97A

accent

#C94ADE

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3345AF

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

Preview Lab → · Contrast checker → · Palette generator →