#3F358F#3F358F

#3F358F is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.5% C 0.143 H 282.7°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#3F358F
RGB	rgb(63, 53, 143)
HSL	hsl(247, 46%, 38%)
HSV	hsv(247, 63%, 56%)
CMYK	cmyk(55.9%, 62.9%, 0%, 43.9%)
CIE-LAB	lab(28.34, 30.52, -48.61)
CIE-LCH	lch(28.34, 57.40, 302.12°)
OKLab	oklab(39.5% 0.0314 -0.1395)
OKLCH	oklch(39.5% 0.143 282.7)
XYZ	xyz(8.2794, 5.5856, 26.6231)
Luminance	0.0559 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F358F #858F35

analogous

#35588F #3F358F #6C358F

triadic

#3F358F #8F3F35 #358F3F

tetradic

#3F358F #8F3558 #858F35 #358F6C

square

#3F358F #8F3558 #858F35 #358F6C

split-complementary

#3F358F #8F6C35 #588F35

monochromatic

#181436 #2B2462 #3F358F #5347BB #7D73CB

Accessibility & contrast

On white

9.92

#3F358F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#3F358F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F358F

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F358F	#FFFFFF	#000000	##FFFFFF
##3F358F	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004692

Deuteranopia (green-blind)

#00408D

Tritanopia (blue-blind)

#1A4B5D

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3f358f;
/* rgb */ color: rgb(63, 53, 143);
/* oklch */ color: oklch(39.5% 0.143 282.7);

Tailwind

colors: {
  custom: {
    50: '#7c6db0',
    500: '#3f358f',
    950: '#000000',
  },
}

SCSS

$custom: #3f358f;
$custom-light: #7c6db0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f358f",
  "rgb": {
    "r": 63,
    "g": 53,
    "b": 143
  },
  "hsl": {
    "h": 246.667,
    "s": 45.918,
    "l": 38.431
  },
  "oklch": {
    "l": 0.39496,
    "c": 0.14299,
    "h": 282.7
  },
  "luminance": 0.05586
}

Semantic roles & 50–950 ramp

primary

#3F358F

secondary

#ACB46C

accent

#D652C7

background

#F7F6FA

surface

#EEEBF5

border

#C9C6CF

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #3F358F

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

Preview Lab → · Contrast checker → · Palette generator →