#3F34AD#3F34AD

#3F34AD is a dark, vivid blue. Relative luminance 0.065; OKLCH L 42.0% C 0.184 H 279.0°. Best body text is #FFFFFF at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#3F34AD
RGB	rgb(63, 52, 173)
HSL	hsl(245, 54%, 44%)
HSV	hsv(245, 70%, 68%)
CMYK	cmyk(63.6%, 69.9%, 0%, 32.2%)
CIE-LAB	lab(30.71, 40.98, -62.96)
CIE-LCH	lch(30.71, 75.12, 303.06°)
OKLab	oklab(42.01% 0.0288 -0.1816)
OKLCH	oklch(42.01% 0.184 279)
XYZ	xyz(10.8183, 6.5290, 40.2172)
Luminance	0.0653 (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

#3F34AD #A2AD34

analogous

#3465AD #3F34AD #7C34AD

triadic

#3F34AD #AD3F34 #34AD3F

tetradic

#3F34AD #AD3465 #A2AD34 #34AD7C

square

#3F34AD #AD3465 #A2AD34 #34AD7C

split-complementary

#3F34AD #AD7C34 #65AD34

monochromatic

#1D184F #2E267E #3F34AD #5E53CB #8A82D9

Accessibility & contrast

On white

9.11

#3F34AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#3F34AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F34AD

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F34AD	#FFFFFF	#000000	##FFFFFF
##3F34AD	1.00	9.11	2.31	9.11
#FFFFFF	9.11	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB1

Deuteranopia (green-blind)

#0043AB

Tritanopia (blue-blind)

#00556C

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3f34ad;
/* rgb */ color: rgb(63, 52, 173);
/* oklch */ color: oklch(42.0% 0.184 279.0);

Tailwind

colors: {
  custom: {
    50: '#826dc7',
    500: '#3f34ad',
    950: '#000000',
  },
}

SCSS

$custom: #3f34ad;
$custom-light: #826dc7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f34ad",
  "rgb": {
    "r": 63,
    "g": 52,
    "b": 173
  },
  "hsl": {
    "h": 245.455,
    "s": 53.778,
    "l": 44.118
  },
  "oklch": {
    "l": 0.42014,
    "c": 0.18389,
    "h": 279
  },
  "luminance": 0.0653
}

Semantic roles & 50–950 ramp

primary

#3F34AD

secondary

#BCC37A

accent

#DD4BD0

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #3F34AD

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

Preview Lab → · Contrast checker → · Palette generator →