#3447B0#3447B0

#3447B0 is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.9% C 0.168 H 270.3°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#3447B0
RGB	rgb(52, 71, 176)
HSL	hsl(231, 54%, 45%)
HSV	hsv(231, 70%, 69%)
CMYK	cmyk(70.5%, 59.7%, 0%, 31%)
CIE-LAB	lab(34.74, 28.61, -58.19)
CIE-LCH	lch(34.74, 64.84, 296.18°)
OKLab	oklab(44.85% 0.0009 -0.1678)
OKLCH	oklch(44.85% 0.168 270.3)
XYZ	xyz(11.5032, 8.3700, 42.0752)
Luminance	0.0837 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3447B0 #B09D34

analogous

#3485B0 #3447B0 #5F34B0

triadic

#3447B0 #B03447 #47B034

tetradic

#3447B0 #B03485 #B09D34 #34B05F

square

#3447B0 #B03485 #B09D34 #34B05F

split-complementary

#3447B0 #B05F34 #85B034

monochromatic

#182152 #263481 #3447B0 #5567CD #8491DB

Accessibility & contrast

On white

7.85

#3447B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#3447B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3447B0

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3447B0	#FFFFFF	#000000	##FFFFFF
##3447B0	1.00	7.85	2.67	7.85
#FFFFFF	7.85	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B3

Deuteranopia (green-blind)

#004CAE

Tritanopia (blue-blind)

#006174

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3447b0;
/* rgb */ color: rgb(52, 71, 176);
/* oklch */ color: oklch(44.9% 0.168 270.3);

Tailwind

colors: {
  custom: {
    50: '#7c7ac8',
    500: '#3447b0',
    950: '#000000',
  },
}

SCSS

$custom: #3447b0;
$custom-light: #7c7ac8;
$custom-dark: #000000;

JSON

{
  "hex": "#3447b0",
  "rgb": {
    "r": 52,
    "g": 71,
    "b": 176
  },
  "hsl": {
    "h": 230.806,
    "s": 54.386,
    "l": 44.706
  },
  "oklch": {
    "l": 0.44853,
    "c": 0.1678,
    "h": 270.3
  },
  "luminance": 0.08371
}

Semantic roles & 50–950 ramp

primary

#3447B0

secondary

#C4B97C

accent

#C74ADE

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3447B0

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

Preview Lab → · Contrast checker → · Palette generator →