#3F3ACD#3F3ACD

#3F3ACD is a mid, highly saturated blue. Relative luminance 0.085; OKLCH L 46.0% C 0.217 H 275.2°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#3F3ACD
RGB	rgb(63, 58, 205)
HSL	hsl(242, 60%, 52%)
HSV	hsv(242, 72%, 80%)
CMYK	cmyk(69.3%, 71.7%, 0%, 19.6%)
CIE-LAB	lab(34.98, 47.90, -74.80)
CIE-LCH	lch(34.98, 88.82, 302.63°)
OKLab	oklab(45.99% 0.0195 -0.2162)
OKLCH	oklch(45.99% 0.217 275.2)
XYZ	xyz(14.5788, 8.4893, 58.6161)
Luminance	0.0849 (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

#3F3ACD #C8CD3A

analogous

#3A7FCD #3F3ACD #893ACD

triadic

#3F3ACD #CD3F3A #3ACD3F

tetradic

#3F3ACD #CD3A7F #C8CD3A #3ACD89

square

#3F3ACD #CD3A7F #C8CD3A #3ACD89

split-complementary

#3F3ACD #CD893A #7FCD3A

monochromatic

#1F1C70 #2D29A1 #3F3ACD #6F6BD9 #9E9CE6

Accessibility & contrast

On white

7.78

#3F3ACD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#3F3ACD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3ACD

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3ACD	#FFFFFF	#000000	##FFFFFF
##3F3ACD	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059D1

Deuteranopia (green-blind)

#004CCA

Tritanopia (blue-blind)

#006380

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3f3acd;
/* rgb */ color: rgb(63, 58, 205);
/* oklch */ color: oklch(46.0% 0.217 275.2);

Tailwind

colors: {
  custom: {
    50: '#8872de',
    500: '#3f3acd',
    950: '#000000',
  },
}

SCSS

$custom: #3f3acd;
$custom-light: #8872de;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3acd",
  "rgb": {
    "r": 63,
    "g": 58,
    "b": 205
  },
  "hsl": {
    "h": 242.041,
    "s": 59.514,
    "l": 51.569
  },
  "oklch": {
    "l": 0.45987,
    "c": 0.21709,
    "h": 275.2
  },
  "luminance": 0.08491
}

Semantic roles & 50–950 ramp

primary

#3F3ACD

secondary

#D0D291

accent

#E345DD

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #3F3ACD

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

Preview Lab → · Contrast checker → · Palette generator →