#3B31C5#3B31C5

#3B31C5 is a dark, highly saturated blue. Relative luminance 0.072; OKLCH L 43.7% C 0.217 H 275.5°. Best body text is #FFFFFF at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#3B31C5
RGB	rgb(59, 49, 197)
HSL	hsl(244, 60%, 48%)
HSV	hsv(244, 75%, 77%)
CMYK	cmyk(70.1%, 75.1%, 0%, 22.7%)
CIE-LAB	lab(32.16, 49.87, -74.79)
CIE-LCH	lch(32.16, 89.90, 303.70°)
OKLab	oklab(43.68% 0.0209 -0.2162)
OKLCH	oklch(43.68% 0.217 275.5)
XYZ	xyz(12.9767, 7.1564, 53.5100)
Luminance	0.0716 (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

#3B31C5 #BBC531

analogous

#3171C5 #3B31C5 #8531C5

triadic

#3B31C5 #C53B31 #31C53B

tetradic

#3B31C5 #C53171 #BBC531 #31C585

square

#3B31C5 #C53171 #BBC531 #31C585

split-complementary

#3B31C5 #C58531 #71C531

monochromatic

#1E1963 #2C2594 #3B31C5 #655DD7 #938EE3

Accessibility & contrast

On white

8.64

#3B31C5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#3B31C5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B31C5

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B31C5	#FFFFFF	#000000	##FFFFFF
##3B31C5	1.00	8.64	2.43	8.64
#FFFFFF	8.64	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052C9

Deuteranopia (green-blind)

#0045C2

Tritanopia (blue-blind)

#005C79

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3b31c5;
/* rgb */ color: rgb(59, 49, 197);
/* oklch */ color: oklch(43.7% 0.217 275.5);

Tailwind

colors: {
  custom: {
    50: '#856cd8',
    500: '#3b31c5',
    950: '#000000',
  },
}

SCSS

$custom: #3b31c5;
$custom-light: #856cd8;
$custom-dark: #000000;

JSON

{
  "hex": "#3b31c5",
  "rgb": {
    "r": 59,
    "g": 49,
    "b": 197
  },
  "hsl": {
    "h": 244.054,
    "s": 60.163,
    "l": 48.235
  },
  "oklch": {
    "l": 0.43677,
    "c": 0.21725,
    "h": 275.5
  },
  "luminance": 0.07158
}

Semantic roles & 50–950 ramp

primary

#3B31C5

secondary

#C8CD85

accent

#E344D9

background

#F9F6FD

surface

#F1EBFB

border

#CBC6D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3B31C5

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

Preview Lab → · Contrast checker → · Palette generator →