#3D31AB#3D31AB

#3D31AB is a dark, vivid blue. Relative luminance 0.061; OKLCH L 41.2% C 0.185 H 278.9°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#3D31AB
RGB	rgb(61, 49, 171)
HSL	hsl(246, 55%, 43%)
HSV	hsv(246, 71%, 67%)
CMYK	cmyk(64.3%, 71.3%, 0%, 32.9%)
CIE-LAB	lab(29.73, 41.80, -63.37)
CIE-LCH	lch(29.73, 75.92, 303.41°)
OKLab	oklab(41.22% 0.0287 -0.1829)
OKLCH	oklch(41.22% 0.185 278.9)
XYZ	xyz(10.3711, 6.1282, 39.1565)
Luminance	0.0613 (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

#3D31AB #9FAB31

analogous

#3162AB #3D31AB #7A31AB

triadic

#3D31AB #AB3D31 #31AB3D

tetradic

#3D31AB #AB3162 #9FAB31 #31AB7A

square

#3D31AB #AB3162 #9FAB31 #31AB7A

split-complementary

#3D31AB #AB7A31 #62AB31

monochromatic

#1B164C #2C237B #3D31AB #5A4DCC #867DDA

Accessibility & contrast

On white

9.43

#3D31AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#3D31AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D31AB

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D31AB	#FFFFFF	#000000	##FFFFFF
##3D31AB	1.00	9.43	2.23	9.43
#FFFFFF	9.43	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BAF

Deuteranopia (green-blind)

#0041A9

Tritanopia (blue-blind)

#00526A

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3d31ab;
/* rgb */ color: rgb(61, 49, 171);
/* oklch */ color: oklch(41.2% 0.185 278.9);

Tailwind

colors: {
  custom: {
    50: '#806bc5',
    500: '#3d31ab',
    950: '#000000',
  },
}

SCSS

$custom: #3d31ab;
$custom-light: #806bc5;
$custom-dark: #000000;

JSON

{
  "hex": "#3d31ab",
  "rgb": {
    "r": 61,
    "g": 49,
    "b": 171
  },
  "hsl": {
    "h": 245.902,
    "s": 55.455,
    "l": 43.137
  },
  "oklch": {
    "l": 0.41219,
    "c": 0.1851,
    "h": 278.9
  },
  "luminance": 0.06129
}

Semantic roles & 50–950 ramp

primary

#3D31AB

secondary

#BBC275

accent

#DF49D0

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #3D31AB

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

Preview Lab → · Contrast checker → · Palette generator →