#3F4AC5#3F4AC5

#3F4AC5 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.8% C 0.189 H 273.0°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#3F4AC5
RGB	rgb(63, 74, 197)
HSL	hsl(235, 54%, 51%)
HSV	hsv(235, 68%, 77%)
CMYK	cmyk(68%, 62.4%, 0%, 22.7%)
CIE-LAB	lab(37.81, 35.66, -65.50)
CIE-LCH	lch(37.81, 74.58, 298.56°)
OKLab	oklab(47.82% 0.0098 -0.189)
OKLCH	oklch(47.82% 0.189 273)
XYZ	xyz(14.5733, 9.9842, 53.9716)
Luminance	0.0999 (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

#3F4AC5 #C5BA3F

analogous

#3F8DC5 #3F4AC5 #773FC5

triadic

#3F4AC5 #C53F4A #4AC53F

tetradic

#3F4AC5 #C53F8D #C5BA3F #3FC577

square

#3F4AC5 #C53F8D #C5BA3F #3FC577

split-complementary

#3F4AC5 #C5773F #8DC53F

monochromatic

#20266A #2E3799 #3F4AC5 #6E76D3 #9DA3E1

Accessibility & contrast

On white

7.01

#3F4AC5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#3F4AC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F4AC5

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4AC5	#FFFFFF	#000000	##FFFFFF
##3F4AC5	1.00	7.01	3.00	7.01
#FFFFFF	7.01	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FC9

Deuteranopia (green-blind)

#0053C3

Tritanopia (blue-blind)

#006980

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3f4ac5;
/* rgb */ color: rgb(63, 74, 197);
/* oklch */ color: oklch(47.8% 0.189 273.0);

Tailwind

colors: {
  custom: {
    50: '#857cd8',
    500: '#3f4ac5',
    950: '#000000',
  },
}

SCSS

$custom: #3f4ac5;
$custom-light: #857cd8;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4ac5",
  "rgb": {
    "r": 63,
    "g": 74,
    "b": 197
  },
  "hsl": {
    "h": 235.075,
    "s": 53.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.47821,
    "c": 0.18922,
    "h": 273
  },
  "luminance": 0.09986
}

Semantic roles & 50–950 ramp

primary

#3F4AC5

secondary

#CEC992

accent

#D14BDD

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0915

muted

#7D7B83

Preview Lab

Preview with #3F4AC5

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

Preview Lab → · Contrast checker → · Palette generator →