#3345AC#3345AC

#3345AC is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.1% C 0.165 H 270.5°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#3345AC
RGB	rgb(51, 69, 172)
HSL	hsl(231, 54%, 44%)
HSV	hsv(231, 70%, 67%)
CMYK	cmyk(70.3%, 59.9%, 0%, 32.5%)
CIE-LAB	lab(33.85, 28.32, -57.26)
CIE-LCH	lch(33.85, 63.88, 296.31°)
OKLab	oklab(44.08% 0.0015 -0.1651)
OKLCH	oklch(44.08% 0.165 270.5)
XYZ	xyz(10.9372, 7.9375, 39.9774)
Luminance	0.0794 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3345AC #AC9A33

analogous

#3381AC #3345AC #5D33AC

triadic

#3345AC #AC3345 #45AC33

tetradic

#3345AC #AC3381 #AC9A33 #33AC5D

square

#3345AC #AC3381 #AC9A33 #33AC5D

split-complementary

#3345AC #AC5D33 #81AC33

monochromatic

#171F4E #25327D #3345AC #5163CB #808DD9

Accessibility & contrast

On white

8.12

#3345AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#3345AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3345AC

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3345AC	#FFFFFF	#000000	##FFFFFF
##3345AC	1.00	8.12	2.59	8.12
#FFFFFF	8.12	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055AF

Deuteranopia (green-blind)

#004AAA

Tritanopia (blue-blind)

#005F71

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3345ac;
/* rgb */ color: rgb(51, 69, 172);
/* oklch */ color: oklch(44.1% 0.165 270.5);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#3345ac",
  "rgb": {
    "r": 51,
    "g": 69,
    "b": 172
  },
  "hsl": {
    "h": 231.074,
    "s": 54.26,
    "l": 43.725
  },
  "oklch": {
    "l": 0.44077,
    "c": 0.16513,
    "h": 270.5
  },
  "luminance": 0.07939
}

Semantic roles & 50–950 ramp

primary

#3345AC

secondary

#C2B778

accent

#C84ADE

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3345AC

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

Preview Lab → · Contrast checker → · Palette generator →