#3831BE#3831BE

#3831BE is a dark, highly saturated blue. Relative luminance 0.068; OKLCH L 42.8% C 0.210 H 275.1°. Best body text is #FFFFFF at 8.93:1 contrast (WCAG AA passes).

Color values

HEX	#3831BE
RGB	rgb(56, 49, 190)
HSL	hsl(243, 59%, 47%)
HSV	hsv(243, 74%, 75%)
CMYK	cmyk(70.5%, 74.2%, 0%, 25.5%)
CIE-LAB	lab(31.24, 47.35, -72.21)
CIE-LCH	lch(31.24, 86.35, 303.26°)
OKLab	oklab(42.76% 0.0185 -0.2088)
OKLCH	oklch(42.76% 0.21 275.1)
XYZ	xyz(12.0204, 6.7539, 49.3754)
Luminance	0.0675 (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

#3831BE #B7BE31

analogous

#3170BE #3831BE #7F31BE

triadic

#3831BE #BE3831 #31BE38

tetradic

#3831BE #BE3170 #B7BE31 #31BE7F

square

#3831BE #BE3170 #B7BE31 #31BE7F

split-complementary

#3831BE #BE7F31 #70BE31

monochromatic

#1B185D #2A248D #3831BE #5E58D4 #8D89E1

Accessibility & contrast

On white

8.93

#3831BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#3831BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3831BE

8.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3831BE	#FFFFFF	#000000	##FFFFFF
##3831BE	1.00	8.93	2.35	8.93
#FFFFFF	8.93	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050C2

Deuteranopia (green-blind)

#0043BB

Tritanopia (blue-blind)

#005A75

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3831be;
/* rgb */ color: rgb(56, 49, 190);
/* oklch */ color: oklch(42.8% 0.210 275.1);

Tailwind

colors: {
  custom: {
    50: '#826bd3',
    500: '#3831be',
    950: '#000000',
  },
}

SCSS

$custom: #3831be;
$custom-light: #826bd3;
$custom-dark: #000000;

JSON

{
  "hex": "#3831be",
  "rgb": {
    "r": 56,
    "g": 49,
    "b": 190
  },
  "hsl": {
    "h": 242.979,
    "s": 58.996,
    "l": 46.863
  },
  "oklch": {
    "l": 0.42759,
    "c": 0.2096,
    "h": 275.1
  },
  "luminance": 0.06755
}

Semantic roles & 50–950 ramp

primary

#3831BE

secondary

#C7CA80

accent

#E246DA

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3831BE

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

Preview Lab → · Contrast checker → · Palette generator →