#3B31BE#3B31BE

#3B31BE is a dark, highly saturated blue. Relative luminance 0.068; OKLCH L 43.0% C 0.209 H 276.1°. Best body text is #FFFFFF at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#3B31BE
RGB	rgb(59, 49, 190)
HSL	hsl(244, 59%, 47%)
HSV	hsv(244, 74%, 75%)
CMYK	cmyk(68.9%, 74.2%, 0%, 25.5%)
CIE-LAB	lab(31.45, 47.66, -71.86)
CIE-LCH	lch(31.45, 86.23, 303.55°)
OKLab	oklab(42.96% 0.0223 -0.2077)
OKLCH	oklch(42.96% 0.209 276.1)
XYZ	xyz(12.1932, 6.8430, 49.3835)
Luminance	0.0684 (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

#3B31BE #B4BE31

analogous

#316EBE #3B31BE #8131BE

triadic

#3B31BE #BE3B31 #31BE3B

tetradic

#3B31BE #BE316E #B4BE31 #31BE81

square

#3B31BE #BE316E #B4BE31 #31BE81

split-complementary

#3B31BE #BE8131 #6EBE31

monochromatic

#1D185D #2C248D #3B31BE #6158D4 #8F89E1

Accessibility & contrast

On white

8.87

#3B31BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#3B31BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B31BE

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B31BE	#FFFFFF	#000000	##FFFFFF
##3B31BE	1.00	8.87	2.37	8.87
#FFFFFF	8.87	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050C2

Deuteranopia (green-blind)

#0044BB

Tritanopia (blue-blind)

#005A75

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3b31be;
/* rgb */ color: rgb(59, 49, 190);
/* oklch */ color: oklch(43.0% 0.209 276.1);

Tailwind

colors: {
  custom: {
    50: '#836bd3',
    500: '#3b31be',
    950: '#000000',
  },
}

SCSS

$custom: #3b31be;
$custom-light: #836bd3;
$custom-dark: #000000;

JSON

{
  "hex": "#3b31be",
  "rgb": {
    "r": 59,
    "g": 49,
    "b": 190
  },
  "hsl": {
    "h": 244.255,
    "s": 58.996,
    "l": 46.863
  },
  "oklch": {
    "l": 0.4296,
    "c": 0.20889,
    "h": 276.1
  },
  "luminance": 0.06844
}

Semantic roles & 50–950 ramp

primary

#3B31BE

secondary

#C5CA80

accent

#E246D7

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3B31BE

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

Preview Lab → · Contrast checker → · Palette generator →