#3F368F#3F368F

#3F368F is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.7% C 0.142 H 282.4°. Best body text is #FFFFFF at 9.83:1 contrast (WCAG AA passes).

Color values

HEX	#3F368F
RGB	rgb(63, 54, 143)
HSL	hsl(246, 45%, 39%)
HSV	hsv(246, 62%, 56%)
CMYK	cmyk(55.9%, 62.2%, 0%, 43.9%)
CIE-LAB	lab(28.58, 29.88, -48.22)
CIE-LCH	lch(28.58, 56.73, 301.79°)
OKLab	oklab(39.67% 0.0304 -0.1383)
OKLCH	oklch(39.67% 0.142 282.4)
XYZ	xyz(8.3255, 5.6778, 26.6385)
Luminance	0.0568 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F368F #868F36

analogous

#36598F #3F368F #6B368F

triadic

#3F368F #8F3F36 #368F3F

tetradic

#3F368F #8F3659 #868F36 #368F6B

square

#3F368F #8F3659 #868F36 #368F6B

split-complementary

#3F368F #8F6B36 #598F36

monochromatic

#181436 #2B2563 #3F368F #5448BA #7D75CB

Accessibility & contrast

On white

9.83

#3F368F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#3F368F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F368F

9.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F368F	#FFFFFF	#000000	##FFFFFF
##3F368F	1.00	9.83	2.14	9.83
#FFFFFF	9.83	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.83	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: #3f368f;
/* rgb */ color: rgb(63, 54, 143);
/* oklch */ color: oklch(39.7% 0.142 282.4);

Tailwind

colors: {
  custom: {
    50: '#7c6db0',
    500: '#3f368f',
    950: '#000000',
  },
}

SCSS

$custom: #3f368f;
$custom-light: #7c6db0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f368f",
  "rgb": {
    "r": 63,
    "g": 54,
    "b": 143
  },
  "hsl": {
    "h": 246.067,
    "s": 45.178,
    "l": 38.627
  },
  "oklch": {
    "l": 0.39674,
    "c": 0.14163,
    "h": 282.4
  },
  "luminance": 0.05678
}

Semantic roles & 50–950 ramp

primary

#3F368F

secondary

#ACB36D

accent

#D553C8

background

#F7F6FA

surface

#EEEBF5

border

#C9C6CF

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #3F368F

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

Preview Lab → · Contrast checker → · Palette generator →