#3B31AF#3B31AF

#3B31AF is a dark, vivid blue. Relative luminance 0.062; OKLCH L 41.5% C 0.191 H 277.6°. Best body text is #FFFFFF at 9.36:1 contrast (WCAG AA passes).

Color values

HEX	#3B31AF
RGB	rgb(59, 49, 175)
HSL	hsl(245, 56%, 44%)
HSV	hsv(245, 72%, 69%)
CMYK	cmyk(66.3%, 72%, 0%, 31.4%)
CIE-LAB	lab(29.96, 42.84, -65.40)
CIE-LCH	lch(29.96, 78.18, 303.23°)
OKLab	oklab(41.46% 0.0253 -0.1888)
OKLCH	oklch(41.46% 0.191 277.6)
XYZ	xyz(10.6373, 6.2207, 41.1893)
Luminance	0.0622 (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

#3B31AF #A5AF31

analogous

#3166AF #3B31AF #7A31AF

triadic

#3B31AF #AF3B31 #31AF3B

tetradic

#3B31AF #AF3166 #A5AF31 #31AF7A

square

#3B31AF #AF3166 #A5AF31 #31AF7A

split-complementary

#3B31AF #AF7A31 #66AF31

monochromatic

#1B164F #2B247F #3B31AF #594FCE #867FDB

Accessibility & contrast

On white

9.36

#3B31AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#3B31AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B31AF

9.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B31AF	#FFFFFF	#000000	##FFFFFF
##3B31AF	1.00	9.36	2.24	9.36
#FFFFFF	9.36	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB3

Deuteranopia (green-blind)

#0041AD

Tritanopia (blue-blind)

#00546D

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3b31af;
/* rgb */ color: rgb(59, 49, 175);
/* oklch */ color: oklch(41.5% 0.191 277.6);

Tailwind

colors: {
  custom: {
    50: '#806bc8',
    500: '#3b31af',
    950: '#000000',
  },
}

SCSS

$custom: #3b31af;
$custom-light: #806bc8;
$custom-dark: #000000;

JSON

{
  "hex": "#3b31af",
  "rgb": {
    "r": 59,
    "g": 49,
    "b": 175
  },
  "hsl": {
    "h": 244.762,
    "s": 56.25,
    "l": 43.922
  },
  "oklch": {
    "l": 0.41459,
    "c": 0.19052,
    "h": 277.6
  },
  "luminance": 0.06222
}

Semantic roles & 50–950 ramp

primary

#3B31AF

secondary

#BEC478

accent

#E048D4

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #3B31AF

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

Preview Lab → · Contrast checker → · Palette generator →