#3F348F#3F348F

#3F348F is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.3% C 0.144 H 283.0°. Best body text is #FFFFFF at 10.00:1 contrast (WCAG AA passes).

Color values

HEX	#3F348F
RGB	rgb(63, 52, 143)
HSL	hsl(247, 47%, 38%)
HSV	hsv(247, 64%, 56%)
CMYK	cmyk(55.9%, 63.6%, 0%, 43.9%)
CIE-LAB	lab(28.10, 31.15, -49.00)
CIE-LCH	lch(28.10, 58.06, 302.44°)
OKLab	oklab(39.32% 0.0325 -0.1406)
OKLCH	oklch(39.32% 0.144 283)
XYZ	xyz(8.2343, 5.4954, 26.6081)
Luminance	0.0550 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F348F #848F34

analogous

#34568F #3F348F #6C348F

triadic

#3F348F #8F3F34 #348F3F

tetradic

#3F348F #8F3456 #848F34 #348F6C

square

#3F348F #8F3456 #848F34 #348F6C

split-complementary

#3F348F #8F6C34 #568F34

monochromatic

#171335 #2B2462 #3F348F #5345BB #7D72CC

Accessibility & contrast

On white

10.00

#3F348F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#3F348F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F348F

10.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F348F	#FFFFFF	#000000	##FFFFFF
##3F348F	1.00	10.00	2.10	10.00
#FFFFFF	10.00	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004592

Deuteranopia (green-blind)

#003F8D

Tritanopia (blue-blind)

#1B4A5C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3f348f;
/* rgb */ color: rgb(63, 52, 143);
/* oklch */ color: oklch(39.3% 0.144 283.0);

Tailwind

colors: {
  custom: {
    50: '#7c6cb1',
    500: '#3f348f',
    950: '#000000',
  },
}

SCSS

$custom: #3f348f;
$custom-light: #7c6cb1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f348f",
  "rgb": {
    "r": 63,
    "g": 52,
    "b": 143
  },
  "hsl": {
    "h": 247.253,
    "s": 46.667,
    "l": 38.235
  },
  "oklch": {
    "l": 0.39321,
    "c": 0.14435,
    "h": 283
  },
  "luminance": 0.05496
}

Semantic roles & 50–950 ramp

primary

#3F348F

secondary

#ABB46B

accent

#D651C6

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #3F348F

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

Preview Lab → · Contrast checker → · Palette generator →