#3F4DAC#3F4DAC

#3F4DAC is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.3% C 0.152 H 272.7°. Best body text is #FFFFFF at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#3F4DAC
RGB	rgb(63, 77, 172)
HSL	hsl(232, 46%, 46%)
HSV	hsv(232, 63%, 67%)
CMYK	cmyk(63.4%, 55.2%, 0%, 32.5%)
CIE-LAB	lab(36.63, 24.98, -52.71)
CIE-LCH	lch(36.63, 58.33, 295.36°)
OKLab	oklab(46.34% 0.0072 -0.1514)
OKLCH	oklch(46.34% 0.152 272.7)
XYZ	xyz(12.1477, 9.3420, 40.1848)
Luminance	0.0934 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4DAC #AC9E3F

analogous

#3F83AC #3F4DAC #673FAC

triadic

#3F4DAC #AC3F4D #4DAC3F

tetradic

#3F4DAC #AC3F83 #AC9E3F #3FAC67

square

#3F4DAC #AC3F83 #AC9E3F #3FAC67

split-complementary

#3F4DAC #AC673F #83AC3F

monochromatic

#1E2552 #2F397F #3F4DAC #636FC6 #8F98D6

Accessibility & contrast

On white

7.32

#3F4DAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#3F4DAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4DAC

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4DAC	#FFFFFF	#000000	##FFFFFF
##3F4DAC	1.00	7.32	2.87	7.32
#FFFFFF	7.32	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#045BAF

Deuteranopia (green-blind)

#0052AA

Tritanopia (blue-blind)

#006375

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3f4dac;
/* rgb */ color: rgb(63, 77, 172);
/* oklch */ color: oklch(46.3% 0.152 272.7);

Tailwind

colors: {
  custom: {
    50: '#7f7ec5',
    500: '#3f4dac',
    950: '#000000',
  },
}

SCSS

$custom: #3f4dac;
$custom-light: #7f7ec5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4dac",
  "rgb": {
    "r": 63,
    "g": 77,
    "b": 172
  },
  "hsl": {
    "h": 232.294,
    "s": 46.383,
    "l": 46.078
  },
  "oklch": {
    "l": 0.4634,
    "c": 0.15153,
    "h": 272.7
  },
  "luminance": 0.09343
}

Semantic roles & 50–950 ramp

primary

#3F4DAC

secondary

#C1BA86

accent

#C552D6

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3F4DAC

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

Preview Lab → · Contrast checker → · Palette generator →