#3347AF#3347AF

#3347AF is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.7% C 0.167 H 270.0°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#3347AF
RGB	rgb(51, 71, 175)
HSL	hsl(230, 55%, 44%)
HSV	hsv(230, 71%, 69%)
CMYK	cmyk(70.9%, 59.4%, 0%, 31.4%)
CIE-LAB	lab(34.61, 28.11, -57.81)
CIE-LCH	lch(34.61, 64.28, 295.93°)
OKLab	oklab(44.72% -0.0001 -0.1667)
OKLCH	oklch(44.72% 0.167 270)
XYZ	xyz(11.3537, 8.3043, 41.5537)
Luminance	0.0830 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3347AF #AF9B33

analogous

#3385AF #3347AF #5D33AF

triadic

#3347AF #AF3347 #47AF33

tetradic

#3347AF #AF3385 #AF9B33 #33AF5D

square

#3347AF #AF3385 #AF9B33 #33AF5D

split-complementary

#3347AF #AF5D33 #85AF33

monochromatic

#172150 #253480 #3347AF #5266CD #8290DB

Accessibility & contrast

On white

7.89

#3347AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#3347AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3347AF

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3347AF	#FFFFFF	#000000	##FFFFFF
##3347AF	1.00	7.89	2.66	7.89
#FFFFFF	7.89	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B2

Deuteranopia (green-blind)

#004CAD

Tritanopia (blue-blind)

#006174

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3347af;
/* rgb */ color: rgb(51, 71, 175);
/* oklch */ color: oklch(44.7% 0.167 270.0);

Tailwind

colors: {
  custom: {
    50: '#7b7ac8',
    500: '#3347af',
    950: '#000000',
  },
}

SCSS

$custom: #3347af;
$custom-light: #7b7ac8;
$custom-dark: #000000;

JSON

{
  "hex": "#3347af",
  "rgb": {
    "r": 51,
    "g": 71,
    "b": 175
  },
  "hsl": {
    "h": 230.323,
    "s": 54.867,
    "l": 44.314
  },
  "oklch": {
    "l": 0.44715,
    "c": 0.16672,
    "h": 270
  },
  "luminance": 0.08305
}

Semantic roles & 50–950 ramp

primary

#3347AF

secondary

#C4B87A

accent

#C64ADE

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3347AF

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

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