#3F4AC1#3F4AC1

#3F4AC1 is a mid, vivid blue. Relative luminance 0.098; OKLCH L 47.5% C 0.184 H 273.1°. Best body text is #FFFFFF at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#3F4AC1
RGB	rgb(63, 74, 193)
HSL	hsl(235, 51%, 50%)
HSV	hsv(235, 67%, 76%)
CMYK	cmyk(67.4%, 61.7%, 0%, 24.3%)
CIE-LAB	lab(37.49, 34.27, -63.70)
CIE-LCH	lch(37.49, 72.33, 298.28°)
OKLab	oklab(47.48% 0.0099 -0.1837)
OKLCH	oklch(47.48% 0.184 273.1)
XYZ	xyz(14.1211, 9.8033, 51.5898)
Luminance	0.0980 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4AC1 #C1B63F

analogous

#3F8BC1 #3F4AC1 #753FC1

triadic

#3F4AC1 #C13F4A #4AC13F

tetradic

#3F4AC1 #C13F8B #C1B63F #3FC175

square

#3F4AC1 #C13F8B #C1B63F #3FC175

split-complementary

#3F4AC1 #C1753F #8BC13F

monochromatic

#212665 #303893 #3F4AC1 #6D76D0 #9CA1DF

Accessibility & contrast

On white

7.09

#3F4AC1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#3F4AC1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4AC1

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4AC1	#FFFFFF	#000000	##FFFFFF
##3F4AC1	1.00	7.09	2.96	7.09
#FFFFFF	7.09	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EC5

Deuteranopia (green-blind)

#0052BF

Tritanopia (blue-blind)

#00687E

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3f4ac1;
/* rgb */ color: rgb(63, 74, 193);
/* oklch */ color: oklch(47.5% 0.184 273.1);

Tailwind

colors: {
  custom: {
    50: '#847cd5',
    500: '#3f4ac1',
    950: '#000000',
  },
}

SCSS

$custom: #3f4ac1;
$custom-light: #847cd5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4ac1",
  "rgb": {
    "r": 63,
    "g": 74,
    "b": 193
  },
  "hsl": {
    "h": 234.923,
    "s": 51.181,
    "l": 50.196
  },
  "oklch": {
    "l": 0.47479,
    "c": 0.18396,
    "h": 273.1
  },
  "luminance": 0.09805
}

Semantic roles & 50–950 ramp

primary

#3F4AC1

secondary

#CBC691

accent

#CF4DDB

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3F4AC1

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

Preview Lab → · Contrast checker → · Palette generator →