#3F4EAA#3F4EAA

#3F4EAA is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.4% C 0.147 H 272.4°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#3F4EAA
RGB	rgb(63, 78, 170)
HSL	hsl(232, 46%, 46%)
HSV	hsv(232, 63%, 67%)
CMYK	cmyk(62.9%, 54.1%, 0%, 33.3%)
CIE-LAB	lab(36.76, 23.63, -51.32)
CIE-LCH	lch(36.76, 56.50, 294.72°)
OKLab	oklab(46.39% 0.0061 -0.1473)
OKLCH	oklch(46.39% 0.147 272.4)
XYZ	xyz(12.0276, 9.4068, 39.2043)
Luminance	0.0941 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4EAA #AA9B3F

analogous

#3F83AA #3F4EAA #653FAA

triadic

#3F4EAA #AA3F4E #4EAA3F

tetradic

#3F4EAA #AA3F83 #AA9B3F #3FAA65

square

#3F4EAA #AA3F83 #AA9B3F #3FAA65

split-complementary

#3F4EAA #AA653F #83AA3F

monochromatic

#1E2551 #2E3A7D #3F4EAA #626FC5 #8E98D5

Accessibility & contrast

On white

7.29

#3F4EAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#3F4EAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4EAA

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4EAA	#FFFFFF	#000000	##FFFFFF
##3F4EAA	1.00	7.29	2.88	7.29
#FFFFFF	7.29	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#115BAD

Deuteranopia (green-blind)

#0052A8

Tritanopia (blue-blind)

#006474

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3f4eaa;
/* rgb */ color: rgb(63, 78, 170);
/* oklch */ color: oklch(46.4% 0.147 272.4);

Tailwind

colors: {
  custom: {
    50: '#7f7fc4',
    500: '#3f4eaa',
    950: '#000000',
  },
}

SCSS

$custom: #3f4eaa;
$custom-light: #7f7fc4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4eaa",
  "rgb": {
    "r": 63,
    "g": 78,
    "b": 170
  },
  "hsl": {
    "h": 231.589,
    "s": 45.923,
    "l": 45.686
  },
  "oklch": {
    "l": 0.46386,
    "c": 0.1474,
    "h": 272.4
  },
  "luminance": 0.09408
}

Semantic roles & 50–950 ramp

primary

#3F4EAA

secondary

#C0B885

accent

#C352D6

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3F4EAA

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

Preview Lab → · Contrast checker → · Palette generator →