#3345AD#3345AD

#3345AD is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.2% C 0.166 H 270.5°. Best body text is #FFFFFF at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#3345AD
RGB	rgb(51, 69, 173)
HSL	hsl(231, 54%, 44%)
HSV	hsv(231, 71%, 68%)
CMYK	cmyk(70.5%, 60.1%, 0%, 32.2%)
CIE-LAB	lab(33.93, 28.68, -57.72)
CIE-LCH	lch(33.93, 64.46, 296.42°)
OKLab	oklab(44.16% 0.0015 -0.1665)
OKLCH	oklch(44.16% 0.166 270.5)
XYZ	xyz(11.0336, 7.9761, 40.4851)
Luminance	0.0798 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3345AD #AD9B33

analogous

#3382AD #3345AD #5E33AD

triadic

#3345AD #AD3345 #45AD33

tetradic

#3345AD #AD3382 #AD9B33 #33AD5E

square

#3345AD #AD3382 #AD9B33 #33AD5E

split-complementary

#3345AD #AD5E33 #82AD33

monochromatic

#171F4E #25327E #3345AD #5163CC #818EDA

Accessibility & contrast

On white

8.09

#3345AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#3345AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3345AD

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3345AD	#FFFFFF	#000000	##FFFFFF
##3345AD	1.00	8.09	2.60	8.09
#FFFFFF	8.09	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B0

Deuteranopia (green-blind)

#004AAB

Tritanopia (blue-blind)

#005F72

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3345ad;
/* rgb */ color: rgb(51, 69, 173);
/* oklch */ color: oklch(44.2% 0.166 270.5);

Tailwind

colors: {
  custom: {
    50: '#7b78c6',
    500: '#3345ad',
    950: '#000000',
  },
}

SCSS

$custom: #3345ad;
$custom-light: #7b78c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3345ad",
  "rgb": {
    "r": 51,
    "g": 69,
    "b": 173
  },
  "hsl": {
    "h": 231.148,
    "s": 54.464,
    "l": 43.922
  },
  "oklch": {
    "l": 0.44162,
    "c": 0.16649,
    "h": 270.5
  },
  "luminance": 0.07977
}

Semantic roles & 50–950 ramp

primary

#3345AD

secondary

#C3B879

accent

#C84ADE

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3345AD

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

Preview Lab → · Contrast checker → · Palette generator →