#3B31BA#3B31BA

#3B31BA is a dark, highly saturated blue. Relative luminance 0.067; OKLCH L 42.6% C 0.204 H 276.5°. Best body text is #FFFFFF at 9.00:1 contrast (WCAG AA passes).

Color values

HEX	#3B31BA
RGB	rgb(59, 49, 186)
HSL	hsl(244, 58%, 46%)
HSV	hsv(244, 74%, 73%)
CMYK	cmyk(68.3%, 73.7%, 0%, 27.1%)
CIE-LAB	lab(31.04, 46.38, -70.16)
CIE-LCH	lch(31.04, 84.11, 303.47°)
OKLab	oklab(42.55% 0.0232 -0.2027)
OKLCH	oklch(42.55% 0.204 276.5)
XYZ	xyz(11.7620, 6.6705, 47.1125)
Luminance	0.0667 (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

#3B31BA #B0BA31

analogous

#316BBA #3B31BA #7F31BA

triadic

#3B31BA #BA3B31 #31BA3B

tetradic

#3B31BA #BA316B #B0BA31 #31BA7F

square

#3B31BA #BA316B #B0BA31 #31BA7F

split-complementary

#3B31BA #BA7F31 #6BBA31

monochromatic

#1C1759 #2C248A #3B31BA #5F56D2 #8D86DF

Accessibility & contrast

On white

9.00

#3B31BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#3B31BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B31BA

9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B31BA	#FFFFFF	#000000	##FFFFFF
##3B31BA	1.00	9.00	2.33	9.00
#FFFFFF	9.00	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FBE

Deuteranopia (green-blind)

#0043B8

Tritanopia (blue-blind)

#005873

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3b31ba;
/* rgb */ color: rgb(59, 49, 186);
/* oklch */ color: oklch(42.6% 0.204 276.5);

Tailwind

colors: {
  custom: {
    50: '#836bd0',
    500: '#3b31ba',
    950: '#000000',
  },
}

SCSS

$custom: #3b31ba;
$custom-light: #836bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b31ba",
  "rgb": {
    "r": 59,
    "g": 49,
    "b": 186
  },
  "hsl": {
    "h": 244.38,
    "s": 58.298,
    "l": 46.078
  },
  "oklch": {
    "l": 0.42554,
    "c": 0.20406,
    "h": 276.5
  },
  "luminance": 0.06672
}

Semantic roles & 50–950 ramp

primary

#3B31BA

secondary

#C3C97E

accent

#E246D6

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3B31BA

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

Preview Lab → · Contrast checker → · Palette generator →