#3347A8#3347A8

#3347A8 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.1% C 0.157 H 269.9°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#3347A8
RGB	rgb(51, 71, 168)
HSL	hsl(230, 53%, 43%)
HSV	hsv(230, 70%, 66%)
CMYK	cmyk(69.6%, 57.7%, 0%, 34.1%)
CIE-LAB	lab(34.06, 25.54, -54.54)
CIE-LCH	lch(34.06, 60.22, 295.09°)
OKLab	oklab(44.13% -0.0002 -0.1571)
OKLCH	oklch(44.13% 0.157 269.9)
XYZ	xyz(10.6840, 8.0364, 38.0263)
Luminance	0.0804 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3347A8 #A89433

analogous

#3381A8 #3347A8 #5A33A8

triadic

#3347A8 #A83347 #47A833

tetradic

#3347A8 #A83381 #A89433 #33A85A

square

#3347A8 #A83381 #A89433 #33A85A

split-complementary

#3347A8 #A85A33 #81A833

monochromatic

#161F4A #253379 #3347A8 #4F64C9 #7E8DD8

Accessibility & contrast

On white

8.05

#3347A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#3347A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3347A8

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3347A8	#FFFFFF	#000000	##FFFFFF
##3347A8	1.00	8.05	2.61	8.05
#FFFFFF	8.05	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056AB

Deuteranopia (green-blind)

#004BA6

Tritanopia (blue-blind)

#005F70

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3347a8;
/* rgb */ color: rgb(51, 71, 168);
/* oklch */ color: oklch(44.1% 0.157 269.9);

Tailwind

colors: {
  custom: {
    50: '#7a7ac3',
    500: '#3347a8',
    950: '#000000',
  },
}

SCSS

$custom: #3347a8;
$custom-light: #7a7ac3;
$custom-dark: #000000;

JSON

{
  "hex": "#3347a8",
  "rgb": {
    "r": 51,
    "g": 71,
    "b": 168
  },
  "hsl": {
    "h": 229.744,
    "s": 53.425,
    "l": 42.941
  },
  "oklch": {
    "l": 0.44132,
    "c": 0.15709,
    "h": 269.9
  },
  "luminance": 0.08037
}

Semantic roles & 50–950 ramp

primary

#3347A8

secondary

#C1B476

accent

#C44BDD

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #3347A8

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

Preview Lab → · Contrast checker → · Palette generator →