#3F3ACC#3F3ACC

#3F3ACC is a mid, highly saturated blue. Relative luminance 0.084; OKLCH L 45.9% C 0.216 H 275.2°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#3F3ACC
RGB	rgb(63, 58, 204)
HSL	hsl(242, 59%, 51%)
HSV	hsv(242, 72%, 80%)
CMYK	cmyk(69.1%, 71.6%, 0%, 20%)
CIE-LAB	lab(34.89, 47.58, -74.38)
CIE-LCH	lch(34.89, 88.29, 302.61°)
OKLab	oklab(45.89% 0.0197 -0.215)
OKLCH	oklch(45.89% 0.216 275.2)
XYZ	xyz(14.4584, 8.4412, 57.9824)
Luminance	0.0844 (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

#3F3ACC #C7CC3A

analogous

#3A7ECC #3F3ACC #883ACC

triadic

#3F3ACC #CC3F3A #3ACC3F

tetradic

#3F3ACC #CC3A7E #C7CC3A #3ACC88

square

#3F3ACC #CC3A7E #C7CC3A #3ACC88

split-complementary

#3F3ACC #CC883A #7ECC3A

monochromatic

#201D6F #2D29A0 #3F3ACC #6E6BD9 #9E9BE5

Accessibility & contrast

On white

7.81

#3F3ACC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#3F3ACC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3ACC

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3ACC	#FFFFFF	#000000	##FFFFFF
##3F3ACC	1.00	7.81	2.69	7.81
#FFFFFF	7.81	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059D0

Deuteranopia (green-blind)

#004BC9

Tritanopia (blue-blind)

#00637F

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3f3acc;
/* rgb */ color: rgb(63, 58, 204);
/* oklch */ color: oklch(45.9% 0.216 275.2);

Tailwind

colors: {
  custom: {
    50: '#8772dd',
    500: '#3f3acc',
    950: '#000000',
  },
}

SCSS

$custom: #3f3acc;
$custom-light: #8772dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3acc",
  "rgb": {
    "r": 63,
    "g": 58,
    "b": 204
  },
  "hsl": {
    "h": 242.055,
    "s": 58.871,
    "l": 51.373
  },
  "oklch": {
    "l": 0.45889,
    "c": 0.21588,
    "h": 275.2
  },
  "luminance": 0.08443
}

Semantic roles & 50–950 ramp

primary

#3F3ACC

secondary

#CFD191

accent

#E246DD

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #3F3ACC

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

Preview Lab → · Contrast checker → · Palette generator →