#3F4EAC#3F4EAC

#3F4EAC is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.5% C 0.150 H 272.4°. Best body text is #FFFFFF at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#3F4EAC
RGB	rgb(63, 78, 172)
HSL	hsl(232, 46%, 46%)
HSV	hsv(232, 63%, 67%)
CMYK	cmyk(63.4%, 54.7%, 0%, 32.5%)
CIE-LAB	lab(36.90, 24.33, -52.28)
CIE-LCH	lch(36.90, 57.67, 294.96°)
OKLab	oklab(46.54% 0.0063 -0.1501)
OKLCH	oklch(46.54% 0.15 272.4)
XYZ	xyz(12.2182, 9.4831, 40.2083)
Luminance	0.0948 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4EAC #AC9D3F

analogous

#3F84AC #3F4EAC #663FAC

triadic

#3F4EAC #AC3F4E #4EAC3F

tetradic

#3F4EAC #AC3F84 #AC9D3F #3FAC66

square

#3F4EAC #AC3F84 #AC9D3F #3FAC66

split-complementary

#3F4EAC #AC663F #84AC3F

monochromatic

#1E2552 #2F3A7F #3F4EAC #6370C6 #8F99D6

Accessibility & contrast

On white

7.25

#3F4EAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#3F4EAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4EAC

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4EAC	#FFFFFF	#000000	##FFFFFF
##3F4EAC	1.00	7.25	2.90	7.25
#FFFFFF	7.25	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B5CAF

Deuteranopia (green-blind)

#0052AA

Tritanopia (blue-blind)

#006475

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #3f4eac;
/* rgb */ color: rgb(63, 78, 172);
/* oklch */ color: oklch(46.5% 0.150 272.4);

Tailwind

colors: {
  custom: {
    50: '#7f7fc5',
    500: '#3f4eac',
    950: '#000000',
  },
}

SCSS

$custom: #3f4eac;
$custom-light: #7f7fc5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4eac",
  "rgb": {
    "r": 63,
    "g": 78,
    "b": 172
  },
  "hsl": {
    "h": 231.743,
    "s": 46.383,
    "l": 46.078
  },
  "oklch": {
    "l": 0.46537,
    "c": 0.15022,
    "h": 272.4
  },
  "luminance": 0.09484
}

Semantic roles & 50–950 ramp

primary

#3F4EAC

secondary

#C1B986

accent

#C452D6

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3F4EAC

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

Preview Lab → · Contrast checker → · Palette generator →