#3F3D97#3F3D97

#3F3D97 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.6% C 0.143 H 279.2°. Best body text is #FFFFFF at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#3F3D97
RGB	rgb(63, 61, 151)
HSL	hsl(241, 42%, 42%)
HSV	hsv(241, 60%, 59%)
CMYK	cmyk(58.3%, 59.6%, 0%, 40.8%)
CIE-LAB	lab(30.94, 28.08, -49.29)
CIE-LCH	lch(30.94, 56.73, 299.67°)
OKLab	oklab(41.61% 0.0228 -0.1415)
OKLCH	oklch(41.61% 0.143 279.2)
XYZ	xyz(9.3028, 6.6280, 30.0613)
Luminance	0.0663 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3D97 #95973D

analogous

#3D6897 #3F3D97 #6C3D97

triadic

#3F3D97 #973F3D #3D973F

tetradic

#3F3D97 #973D68 #95973D #3D976C

square

#3F3D97 #973D68 #95973D #3D976C

split-complementary

#3F3D97 #976C3D #68973D

monochromatic

#1B1A40 #2D2B6B #3F3D97 #5956BB #8482CC

Accessibility & contrast

On white

9.03

#3F3D97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#3F3D97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3D97

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3D97	#FFFFFF	#000000	##FFFFFF
##3F3D97	1.00	9.03	2.33	9.03
#FFFFFF	9.03	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9A

Deuteranopia (green-blind)

#004595

Tritanopia (blue-blind)

#0B5264

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3f3d97;
/* rgb */ color: rgb(63, 61, 151);
/* oklch */ color: oklch(41.6% 0.143 279.2);

Tailwind

colors: {
  custom: {
    50: '#7d72b6',
    500: '#3f3d97',
    950: '#000000',
  },
}

SCSS

$custom: #3f3d97;
$custom-light: #7d72b6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3d97",
  "rgb": {
    "r": 63,
    "g": 61,
    "b": 151
  },
  "hsl": {
    "h": 241.333,
    "s": 42.453,
    "l": 41.569
  },
  "oklch": {
    "l": 0.41609,
    "c": 0.14328,
    "h": 279.2
  },
  "luminance": 0.06629
}

Semantic roles & 50–950 ramp

primary

#3F3D97

secondary

#B5B779

accent

#D256CF

background

#F8F6FB

surface

#EFECF6

border

#CAC7D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #3F3D97

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

Preview Lab → · Contrast checker → · Palette generator →