#3447BF#3447BF

#3447BF is a mid, vivid blue. Relative luminance 0.090; OKLCH L 46.2% C 0.188 H 270.2°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#3447BF
RGB	rgb(52, 71, 191)
HSL	hsl(232, 57%, 48%)
HSV	hsv(232, 73%, 75%)
CMYK	cmyk(72.8%, 62.8%, 0%, 25.1%)
CIE-LAB	lab(35.98, 34.03, -65.02)
CIE-LCH	lch(35.98, 73.39, 297.63°)
OKLab	oklab(46.15% 0.0007 -0.1878)
OKLCH	oklch(46.15% 0.188 270.2)
XYZ	xyz(13.0702, 8.9968, 50.3278)
Luminance	0.0900 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.67

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3447BF #BFAC34

analogous

#348CBF #3447BF #6734BF

triadic

#3447BF #BF3447 #47BF34

tetradic

#3447BF #BF348C #BFAC34 #34BF67

square

#3447BF #BF348C #BFAC34 #34BF67

split-complementary

#3447BF #BF6734 #8CBF34

monochromatic

#1A235F #27358F #3447BF #5D6DD3 #8D99E0

Accessibility & contrast

On white

7.50

#3447BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#3447BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3447BF

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3447BF	#FFFFFF	#000000	##FFFFFF
##3447BF	1.00	7.50	2.80	7.50
#FFFFFF	7.50	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC3

Deuteranopia (green-blind)

#004EBD

Tritanopia (blue-blind)

#00667C

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3447bf;
/* rgb */ color: rgb(52, 71, 191);
/* oklch */ color: oklch(46.2% 0.188 270.2);

Tailwind

colors: {
  custom: {
    50: '#7f7ad3',
    500: '#3447bf',
    950: '#000000',
  },
}

SCSS

$custom: #3447bf;
$custom-light: #7f7ad3;
$custom-dark: #000000;

JSON

{
  "hex": "#3447bf",
  "rgb": {
    "r": 52,
    "g": 71,
    "b": 191
  },
  "hsl": {
    "h": 231.799,
    "s": 57.202,
    "l": 47.647
  },
  "oklch": {
    "l": 0.46152,
    "c": 0.18785,
    "h": 270.2
  },
  "luminance": 0.08998
}

Semantic roles & 50–950 ramp

primary

#3447BF

secondary

#CAC184

accent

#CC47E0

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3447BF

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

Preview Lab → · Contrast checker → · Palette generator →