#3F34AC#3F34AC

#3F34AC is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.9% C 0.183 H 279.1°. Best body text is #FFFFFF at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#3F34AC
RGB	rgb(63, 52, 172)
HSL	hsl(246, 54%, 44%)
HSV	hsv(246, 70%, 67%)
CMYK	cmyk(63.4%, 69.8%, 0%, 32.5%)
CIE-LAB	lab(30.62, 40.65, -62.52)
CIE-LCH	lch(30.62, 74.57, 303.03°)
OKLab	oklab(41.92% 0.029 -0.1803)
OKLCH	oklch(41.92% 0.183 279.1)
XYZ	xyz(10.7219, 6.4905, 39.7095)
Luminance	0.0649 (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

#3F34AC #A1AC34

analogous

#3465AC #3F34AC #7B34AC

triadic

#3F34AC #AC3F34 #34AC3F

tetradic

#3F34AC #AC3465 #A1AC34 #34AC7B

square

#3F34AC #AC3465 #A1AC34 #34AC7B

split-complementary

#3F34AC #AC7B34 #65AC34

monochromatic

#1D184E #2E267D #3F34AC #5D52CB #8981D9

Accessibility & contrast

On white

9.14

#3F34AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#3F34AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F34AC

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F34AC	#FFFFFF	#000000	##FFFFFF
##3F34AC	1.00	9.14	2.30	9.14
#FFFFFF	9.14	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB0

Deuteranopia (green-blind)

#0043AA

Tritanopia (blue-blind)

#00546C

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3f34ac;
/* rgb */ color: rgb(63, 52, 172);
/* oklch */ color: oklch(41.9% 0.183 279.1);

Tailwind

colors: {
  custom: {
    50: '#816dc6',
    500: '#3f34ac',
    950: '#000000',
  },
}

SCSS

$custom: #3f34ac;
$custom-light: #816dc6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f34ac",
  "rgb": {
    "r": 63,
    "g": 52,
    "b": 172
  },
  "hsl": {
    "h": 245.5,
    "s": 53.571,
    "l": 43.922
  },
  "oklch": {
    "l": 0.4192,
    "c": 0.18262,
    "h": 279.1
  },
  "luminance": 0.06491
}

Semantic roles & 50–950 ramp

primary

#3F34AC

secondary

#BCC279

accent

#DD4BD0

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #3F34AC

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

Preview Lab → · Contrast checker → · Palette generator →