#3447B8#3447B8

#3447B8 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.5% C 0.179 H 270.3°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#3447B8
RGB	rgb(52, 71, 184)
HSL	hsl(231, 56%, 46%)
HSV	hsv(231, 72%, 72%)
CMYK	cmyk(71.7%, 61.4%, 0%, 27.8%)
CIE-LAB	lab(35.39, 31.51, -61.86)
CIE-LCH	lch(35.39, 69.43, 296.99°)
OKLab	oklab(45.54% 0.0009 -0.1786)
OKLCH	oklch(45.54% 0.179 270.3)
XYZ	xyz(12.3182, 8.6960, 46.3674)
Luminance	0.0870 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3447B8 #B8A534

analogous

#3489B8 #3447B8 #6334B8

triadic

#3447B8 #B83447 #47B834

tetradic

#3447B8 #B83489 #B8A534 #34B863

square

#3447B8 #B83489 #B8A534 #34B863

split-complementary

#3447B8 #B86334 #89B834

monochromatic

#192259 #273588 #3447B8 #596AD0 #8995DE

Accessibility & contrast

On white

7.67

#3447B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#3447B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3447B8

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3447B8	#FFFFFF	#000000	##FFFFFF
##3447B8	1.00	7.67	2.74	7.67
#FFFFFF	7.67	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059BC

Deuteranopia (green-blind)

#004DB6

Tritanopia (blue-blind)

#006478

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3447b8;
/* rgb */ color: rgb(52, 71, 184);
/* oklch */ color: oklch(45.5% 0.179 270.3);

Tailwind

colors: {
  custom: {
    50: '#7d7ace',
    500: '#3447b8',
    950: '#000000',
  },
}

SCSS

$custom: #3447b8;
$custom-light: #7d7ace;
$custom-dark: #000000;

JSON

{
  "hex": "#3447b8",
  "rgb": {
    "r": 52,
    "g": 71,
    "b": 184
  },
  "hsl": {
    "h": 231.364,
    "s": 55.932,
    "l": 46.275
  },
  "oklch": {
    "l": 0.45538,
    "c": 0.17858,
    "h": 270.3
  },
  "luminance": 0.08697
}

Semantic roles & 50–950 ramp

primary

#3447B8

secondary

#C8BD80

accent

#CA49DF

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #3447B8

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

Preview Lab → · Contrast checker → · Palette generator →