#3447BB#3447BB

#3447BB is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.8% C 0.183 H 270.3°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#3447BB
RGB	rgb(52, 71, 187)
HSL	hsl(232, 56%, 47%)
HSV	hsv(232, 72%, 73%)
CMYK	cmyk(72.2%, 62%, 0%, 26.7%)
CIE-LAB	lab(35.64, 32.60, -63.22)
CIE-LCH	lch(35.64, 71.13, 297.27°)
OKLab	oklab(45.8% 0.0008 -0.1826)
OKLCH	oklch(45.8% 0.183 270.3)
XYZ	xyz(12.6360, 8.8231, 48.0412)
Luminance	0.0882 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3447BB #BBA834

analogous

#348ABB #3447BB #6534BB

triadic

#3447BB #BB3447 #47BB34

tetradic

#3447BB #BB348A #BBA834 #34BB65

square

#3447BB #BB348A #BBA834 #34BB65

split-complementary

#3447BB #BB6534 #8ABB34

monochromatic

#19235B #27358B #3447BB #5B6CD1 #8B97DF

Accessibility & contrast

On white

7.60

#3447BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#3447BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3447BB

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3447BB	#FFFFFF	#000000	##FFFFFF
##3447BB	1.00	7.60	2.76	7.60
#FFFFFF	7.60	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ABF

Deuteranopia (green-blind)

#004EB9

Tritanopia (blue-blind)

#00657A

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3447bb;
/* rgb */ color: rgb(52, 71, 187);
/* oklch */ color: oklch(45.8% 0.183 270.3);

Tailwind

colors: {
  custom: {
    50: '#7e7ad0',
    500: '#3447bb',
    950: '#000000',
  },
}

SCSS

$custom: #3447bb;
$custom-light: #7e7ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#3447bb",
  "rgb": {
    "r": 52,
    "g": 71,
    "b": 187
  },
  "hsl": {
    "h": 231.556,
    "s": 56.485,
    "l": 46.863
  },
  "oklch": {
    "l": 0.45799,
    "c": 0.18257,
    "h": 270.3
  },
  "luminance": 0.08824
}

Semantic roles & 50–950 ramp

primary

#3447BB

secondary

#C9BF82

accent

#CA48E0

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #3447BB

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

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