#3447B2#3447B2

#3447B2 is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.0% C 0.171 H 270.3°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#3447B2
RGB	rgb(52, 71, 178)
HSL	hsl(231, 55%, 45%)
HSV	hsv(231, 71%, 70%)
CMYK	cmyk(70.8%, 60.1%, 0%, 30.2%)
CIE-LAB	lab(34.90, 29.34, -59.11)
CIE-LCH	lch(34.90, 65.99, 296.39°)
OKLab	oklab(45.02% 0.0009 -0.1705)
OKLCH	oklch(45.02% 0.171 270.3)
XYZ	xyz(11.7026, 8.4497, 43.1251)
Luminance	0.0845 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3447B2 #B29F34

analogous

#3486B2 #3447B2 #6034B2

triadic

#3447B2 #B23447 #47B234

tetradic

#3447B2 #B23486 #B29F34 #34B260

square

#3447B2 #B23486 #B29F34 #34B260

split-complementary

#3447B2 #B26034 #86B234

monochromatic

#182153 #263483 #3447B2 #5668CE #8592DB

Accessibility & contrast

On white

7.81

#3447B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#3447B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3447B2

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3447B2	#FFFFFF	#000000	##FFFFFF
##3447B2	1.00	7.81	2.69	7.81
#FFFFFF	7.81	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B6

Deuteranopia (green-blind)

#004CB0

Tritanopia (blue-blind)

#006275

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3447b2;
/* rgb */ color: rgb(52, 71, 178);
/* oklch */ color: oklch(45.0% 0.171 270.3);

Tailwind

colors: {
  custom: {
    50: '#7c7aca',
    500: '#3447b2',
    950: '#000000',
  },
}

SCSS

$custom: #3447b2;
$custom-light: #7c7aca;
$custom-dark: #000000;

JSON

{
  "hex": "#3447b2",
  "rgb": {
    "r": 52,
    "g": 71,
    "b": 178
  },
  "hsl": {
    "h": 230.952,
    "s": 54.783,
    "l": 45.098
  },
  "oklch": {
    "l": 0.45022,
    "c": 0.17052,
    "h": 270.3
  },
  "luminance": 0.08451
}

Semantic roles & 50–950 ramp

primary

#3447B2

secondary

#C5BA7D

accent

#C84ADE

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3447B2

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

Preview Lab → · Contrast checker → · Palette generator →