#3F348E#3F348E

#3F348E is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.2% C 0.143 H 283.2°. Best body text is #FFFFFF at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#3F348E
RGB	rgb(63, 52, 142)
HSL	hsl(247, 46%, 38%)
HSV	hsv(247, 63%, 56%)
CMYK	cmyk(55.6%, 63.4%, 0%, 44.3%)
CIE-LAB	lab(28.02, 30.82, -48.52)
CIE-LCH	lch(28.02, 57.48, 302.42°)
OKLab	oklab(39.24% 0.0325 -0.1392)
OKLCH	oklch(39.24% 0.143 283.2)
XYZ	xyz(8.1589, 5.4653, 26.2109)
Luminance	0.0547 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F348E #838E34

analogous

#34568E #3F348E #6C348E

triadic

#3F348E #8E3F34 #348E3F

tetradic

#3F348E #8E3456 #838E34 #348E6C

square

#3F348E #8E3456 #838E34 #348E6C

split-complementary

#3F348E #8E6C34 #568E34

monochromatic

#171334 #2B2461 #3F348E #5344BB #7C71CB

Accessibility & contrast

On white

10.03

#3F348E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#3F348E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F348E

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F348E	#FFFFFF	#000000	##FFFFFF
##3F348E	1.00	10.03	2.09	10.03
#FFFFFF	10.03	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004591

Deuteranopia (green-blind)

#003F8C

Tritanopia (blue-blind)

#1C4A5C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3f348e;
/* rgb */ color: rgb(63, 52, 142);
/* oklch */ color: oklch(39.2% 0.143 283.2);

Tailwind

colors: {
  custom: {
    50: '#7c6cb0',
    500: '#3f348e',
    950: '#000000',
  },
}

SCSS

$custom: #3f348e;
$custom-light: #7c6cb0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f348e",
  "rgb": {
    "r": 63,
    "g": 52,
    "b": 142
  },
  "hsl": {
    "h": 247.333,
    "s": 46.392,
    "l": 38.039
  },
  "oklch": {
    "l": 0.39236,
    "c": 0.14297,
    "h": 283.2
  },
  "luminance": 0.05466
}

Semantic roles & 50–950 ramp

primary

#3F348E

secondary

#AAB36A

accent

#D652C6

background

#F7F6FA

surface

#EEEBF5

border

#C9C6CF

text

#0A0710

muted

#7C7A7F

Preview Lab

Preview with #3F348E

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

Preview Lab → · Contrast checker → · Palette generator →