#3447B5#3447B5

#3447B5 is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.3% C 0.175 H 270.3°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#3447B5
RGB	rgb(52, 71, 181)
HSL	hsl(231, 55%, 46%)
HSV	hsv(231, 71%, 71%)
CMYK	cmyk(71.3%, 60.8%, 0%, 29%)
CIE-LAB	lab(35.15, 30.43, -60.49)
CIE-LCH	lch(35.15, 67.71, 296.70°)
OKLab	oklab(45.28% 0.0009 -0.1746)
OKLCH	oklch(45.28% 0.175 270.3)
XYZ	xyz(12.0071, 8.5715, 44.7288)
Luminance	0.0857 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3447B5 #B5A234

analogous

#3487B5 #3447B5 #6134B5

triadic

#3447B5 #B53447 #47B534

tetradic

#3447B5 #B53487 #B5A234 #34B561

square

#3447B5 #B53487 #B5A234 #34B561

split-complementary

#3447B5 #B56134 #87B534

monochromatic

#192256 #263485 #3447B5 #5769CF #8794DC

Accessibility & contrast

On white

7.74

#3447B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#3447B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3447B5

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3447B5	#FFFFFF	#000000	##FFFFFF
##3447B5	1.00	7.74	2.71	7.74
#FFFFFF	7.74	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059B9

Deuteranopia (green-blind)

#004DB3

Tritanopia (blue-blind)

#006377

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3447b5;
/* rgb */ color: rgb(52, 71, 181);
/* oklch */ color: oklch(45.3% 0.175 270.3);

Tailwind

colors: {
  custom: {
    50: '#7d7acc',
    500: '#3447b5',
    950: '#000000',
  },
}

SCSS

$custom: #3447b5;
$custom-light: #7d7acc;
$custom-dark: #000000;

JSON

{
  "hex": "#3447b5",
  "rgb": {
    "r": 52,
    "g": 71,
    "b": 181
  },
  "hsl": {
    "h": 231.163,
    "s": 55.365,
    "l": 45.686
  },
  "oklch": {
    "l": 0.45279,
    "c": 0.17457,
    "h": 270.3
  },
  "luminance": 0.08573
}

Semantic roles & 50–950 ramp

primary

#3447B5

secondary

#C6BC7F

accent

#C949DF

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3447B5

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

Preview Lab → · Contrast checker → · Palette generator →