#3347AC#3347AC

#3347AC is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.5% C 0.163 H 270.0°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#3347AC
RGB	rgb(51, 71, 172)
HSL	hsl(230, 54%, 44%)
HSV	hsv(230, 70%, 67%)
CMYK	cmyk(70.3%, 58.7%, 0%, 32.5%)
CIE-LAB	lab(34.37, 27.00, -56.42)
CIE-LCH	lch(34.37, 62.55, 295.58°)
OKLab	oklab(44.46% -0.0001 -0.1626)
OKLCH	oklch(44.46% 0.163 270)
XYZ	xyz(11.0623, 8.1878, 40.0191)
Luminance	0.0819 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3347AC #AC9833

analogous

#3383AC #3347AC #5B33AC

triadic

#3347AC #AC3347 #47AC33

tetradic

#3347AC #AC3383 #AC9833 #33AC5B

square

#3347AC #AC3383 #AC9833 #33AC5B

split-complementary

#3347AC #AC5B33 #83AC33

monochromatic

#17204E #25347D #3347AC #5165CB #808FD9

Accessibility & contrast

On white

7.96

#3347AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#3347AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3347AC

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3347AC	#FFFFFF	#000000	##FFFFFF
##3347AC	1.00	7.96	2.64	7.96
#FFFFFF	7.96	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057AF

Deuteranopia (green-blind)

#004BAA

Tritanopia (blue-blind)

#006072

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3347ac;
/* rgb */ color: rgb(51, 71, 172);
/* oklch */ color: oklch(44.5% 0.163 270.0);

Tailwind

colors: {
  custom: {
    50: '#7a7ac6',
    500: '#3347ac',
    950: '#000000',
  },
}

SCSS

$custom: #3347ac;
$custom-light: #7a7ac6;
$custom-dark: #000000;

JSON

{
  "hex": "#3347ac",
  "rgb": {
    "r": 51,
    "g": 71,
    "b": 172
  },
  "hsl": {
    "h": 230.083,
    "s": 54.26,
    "l": 43.725
  },
  "oklch": {
    "l": 0.44463,
    "c": 0.16262,
    "h": 270
  },
  "luminance": 0.08189
}

Semantic roles & 50–950 ramp

primary

#3347AC

secondary

#C2B678

accent

#C54ADE

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #3347AC

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

Preview Lab → · Contrast checker → · Palette generator →