#3F49AF#3F49AF

#3F49AF is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.8% C 0.161 H 273.9°. Best body text is #FFFFFF at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#3F49AF
RGB	rgb(63, 73, 175)
HSL	hsl(235, 47%, 47%)
HSV	hsv(235, 64%, 69%)
CMYK	cmyk(64%, 58.3%, 0%, 31.4%)
CIE-LAB	lab(35.82, 28.62, -55.81)
CIE-LCH	lch(35.82, 62.72, 297.15°)
OKLab	oklab(45.8% 0.0111 -0.1605)
OKLCH	oklch(45.8% 0.161 273.9)
XYZ	xyz(12.1677, 8.9160, 41.6289)
Luminance	0.0892 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F49AF #AFA53F

analogous

#3F81AF #3F49AF #6D3FAF

triadic

#3F49AF #AF3F49 #49AF3F

tetradic

#3F49AF #AF3F81 #AFA53F #3FAF6D

square

#3F49AF #AF3F81 #AFA53F #3FAF6D

split-complementary

#3F49AF #AF6D3F #81AF3F

monochromatic

#1F2355 #2F3682 #3F49AF #646DC7 #9197D7

Accessibility & contrast

On white

7.54

#3F49AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#3F49AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F49AF

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F49AF	#FFFFFF	#000000	##FFFFFF
##3F49AF	1.00	7.54	2.78	7.54
#FFFFFF	7.54	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059B2

Deuteranopia (green-blind)

#004FAD

Tritanopia (blue-blind)

#006275

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3f49af;
/* rgb */ color: rgb(63, 73, 175);
/* oklch */ color: oklch(45.8% 0.161 273.9);

Tailwind

colors: {
  custom: {
    50: '#807bc8',
    500: '#3f49af',
    950: '#000000',
  },
}

SCSS

$custom: #3f49af;
$custom-light: #807bc8;
$custom-dark: #000000;

JSON

{
  "hex": "#3f49af",
  "rgb": {
    "r": 63,
    "g": 73,
    "b": 175
  },
  "hsl": {
    "h": 234.643,
    "s": 47.059,
    "l": 46.667
  },
  "oklch": {
    "l": 0.45804,
    "c": 0.1609,
    "h": 273.9
  },
  "luminance": 0.08917
}

Semantic roles & 50–950 ramp

primary

#3F49AF

secondary

#C3BD87

accent

#CB51D7

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3F49AF

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

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