#3F3897#3F3897

#3F3897 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.7% C 0.150 H 280.7°. Best body text is #FFFFFF at 9.44:1 contrast (WCAG AA passes).

Color values

HEX	#3F3897
RGB	rgb(63, 56, 151)
HSL	hsl(244, 46%, 41%)
HSV	hsv(244, 63%, 59%)
CMYK	cmyk(58.3%, 62.9%, 0%, 40.8%)
CIE-LAB	lab(29.71, 31.27, -51.30)
CIE-LCH	lch(29.71, 60.08, 301.37°)
OKLab	oklab(40.7% 0.0279 -0.1474)
OKLCH	oklch(40.7% 0.15 280.7)
XYZ	xyz(9.0482, 6.1189, 29.9764)
Luminance	0.0612 (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

#3F3897 #909738

analogous

#386097 #3F3897 #6E3897

triadic

#3F3897 #973F38 #38973F

tetradic

#3F3897 #973860 #909738 #38976E

square

#3F3897 #973860 #909738 #38976E

split-complementary

#3F3897 #976E38 #609738

monochromatic

#1A173E #2C276A #3F3897 #574FBE #817BCE

Accessibility & contrast

On white

9.44

#3F3897 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#3F3897 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3897

9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3897	#FFFFFF	#000000	##FFFFFF
##3F3897	1.00	9.44	2.22	9.44
#FFFFFF	9.44	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499A

Deuteranopia (green-blind)

#004295

Tritanopia (blue-blind)

#0D4F62

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3f3897;
/* rgb */ color: rgb(63, 56, 151);
/* oklch */ color: oklch(40.7% 0.150 280.7);

Tailwind

colors: {
  custom: {
    50: '#7d6fb6',
    500: '#3f3897',
    950: '#000000',
  },
}

SCSS

$custom: #3f3897;
$custom-light: #7d6fb6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3897",
  "rgb": {
    "r": 63,
    "g": 56,
    "b": 151
  },
  "hsl": {
    "h": 244.421,
    "s": 45.894,
    "l": 40.588
  },
  "oklch": {
    "l": 0.407,
    "c": 0.14999,
    "h": 280.7
  },
  "luminance": 0.06119
}

Semantic roles & 50–950 ramp

primary

#3F3897

secondary

#B2B773

accent

#D652CC

background

#F8F6FB

surface

#EFECF6

border

#CAC7D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #3F3897

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

Preview Lab → · Contrast checker → · Palette generator →