#3447B4#3447B4

#3447B4 is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.2% C 0.173 H 270.3°. Best body text is #FFFFFF at 7.76:1 contrast (WCAG AA passes).

Color values

HEX	#3447B4
RGB	rgb(52, 71, 180)
HSL	hsl(231, 55%, 45%)
HSV	hsv(231, 71%, 71%)
CMYK	cmyk(71.1%, 60.6%, 0%, 29.4%)
CIE-LAB	lab(35.06, 30.06, -60.03)
CIE-LCH	lch(35.06, 67.14, 296.60°)
OKLab	oklab(45.19% 0.0009 -0.1732)
OKLCH	oklch(45.19% 0.173 270.3)
XYZ	xyz(11.9048, 8.5306, 44.1903)
Luminance	0.0853 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3447B4 #B4A134

analogous

#3487B4 #3447B4 #6134B4

triadic

#3447B4 #B43447 #47B434

tetradic

#3447B4 #B43487 #B4A134 #34B461

square

#3447B4 #B43487 #B4A134 #34B461

split-complementary

#3447B4 #B46134 #87B434

monochromatic

#192255 #263485 #3447B4 #5769CE #8693DC

Accessibility & contrast

On white

7.76

#3447B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#3447B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3447B4

7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3447B4	#FFFFFF	#000000	##FFFFFF
##3447B4	1.00	7.76	2.71	7.76
#FFFFFF	7.76	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059B8

Deuteranopia (green-blind)

#004DB2

Tritanopia (blue-blind)

#006276

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3447b4;
/* rgb */ color: rgb(52, 71, 180);
/* oklch */ color: oklch(45.2% 0.173 270.3);

Tailwind

colors: {
  custom: {
    50: '#7d7acb',
    500: '#3447b4',
    950: '#000000',
  },
}

SCSS

$custom: #3447b4;
$custom-light: #7d7acb;
$custom-dark: #000000;

JSON

{
  "hex": "#3447b4",
  "rgb": {
    "r": 52,
    "g": 71,
    "b": 180
  },
  "hsl": {
    "h": 231.094,
    "s": 55.172,
    "l": 45.49
  },
  "oklch": {
    "l": 0.45193,
    "c": 0.17322,
    "h": 270.3
  },
  "luminance": 0.08532
}

Semantic roles & 50–950 ramp

primary

#3447B4

secondary

#C6BB7E

accent

#C849DF

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3447B4

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

Preview Lab → · Contrast checker → · Palette generator →