#3F47AE#3F47AE

#3F47AE is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.3% C 0.162 H 274.6°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#3F47AE
RGB	rgb(63, 71, 174)
HSL	hsl(236, 47%, 46%)
HSV	hsv(236, 64%, 68%)
CMYK	cmyk(63.8%, 59.2%, 0%, 31.8%)
CIE-LAB	lab(35.24, 29.56, -56.16)
CIE-LCH	lch(35.24, 63.47, 297.76°)
OKLab	oklab(45.35% 0.0129 -0.1616)
OKLCH	oklch(45.35% 0.162 274.6)
XYZ	xyz(11.9406, 8.6182, 41.0704)
Luminance	0.0862 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.97

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F47AE #AEA63F

analogous

#3F7FAE #3F47AE #6F3FAE

triadic

#3F47AE #AE3F47 #47AE3F

tetradic

#3F47AE #AE3F7F #AEA63F #3FAE6F

square

#3F47AE #AE3F7F #AEA63F #3FAE6F

split-complementary

#3F47AE #AE6F3F #7FAE3F

monochromatic

#1E2254 #2F3581 #3F47AE #646BC7 #9096D7

Accessibility & contrast

On white

7.71

#3F47AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#3F47AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F47AE

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F47AE	#FFFFFF	#000000	##FFFFFF
##3F47AE	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B1

Deuteranopia (green-blind)

#004EAC

Tritanopia (blue-blind)

#006073

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3f47ae;
/* rgb */ color: rgb(63, 71, 174);
/* oklch */ color: oklch(45.3% 0.162 274.6);

Tailwind

colors: {
  custom: {
    50: '#807ac7',
    500: '#3f47ae',
    950: '#000000',
  },
}

SCSS

$custom: #3f47ae;
$custom-light: #807ac7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f47ae",
  "rgb": {
    "r": 63,
    "g": 71,
    "b": 174
  },
  "hsl": {
    "h": 235.676,
    "s": 46.835,
    "l": 46.471
  },
  "oklch": {
    "l": 0.45346,
    "c": 0.16209,
    "h": 274.6
  },
  "luminance": 0.08619
}

Semantic roles & 50–950 ramp

primary

#3F47AE

secondary

#C2BE87

accent

#CD51D6

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3F47AE

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

Preview Lab → · Contrast checker → · Palette generator →