#3831AE#3831AE

#3831AE is a dark, vivid blue. Relative luminance 0.061; OKLCH L 41.1% C 0.190 H 276.5°. Best body text is #FFFFFF at 9.47:1 contrast (WCAG AA passes).

Color values

HEX	#3831AE
RGB	rgb(56, 49, 174)
HSL	hsl(243, 56%, 44%)
HSV	hsv(243, 72%, 68%)
CMYK	cmyk(67.8%, 71.8%, 0%, 31.8%)
CIE-LAB	lab(29.64, 42.15, -65.33)
CIE-LCH	lch(29.64, 77.75, 302.83°)
OKLab	oklab(41.15% 0.0215 -0.1887)
OKLCH	oklch(41.15% 0.19 276.5)
XYZ	xyz(10.3667, 6.0925, 40.6658)
Luminance	0.0609 (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

#3831AE #A7AE31

analogous

#3168AE #3831AE #7631AE

triadic

#3831AE #AE3831 #31AE38

tetradic

#3831AE #AE3168 #A7AE31 #31AE76

square

#3831AE #AE3168 #A7AE31 #31AE76

split-complementary

#3831AE #AE7631 #68AE31

monochromatic

#19164E #29247E #3831AE #564FCD #847FDB

Accessibility & contrast

On white

9.47

#3831AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#3831AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3831AE

9.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3831AE	#FFFFFF	#000000	##FFFFFF
##3831AE	1.00	9.47	2.22	9.47
#FFFFFF	9.47	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB2

Deuteranopia (green-blind)

#0040AC

Tritanopia (blue-blind)

#00546C

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3831ae;
/* rgb */ color: rgb(56, 49, 174);
/* oklch */ color: oklch(41.1% 0.190 276.5);

Tailwind

colors: {
  custom: {
    50: '#7f6bc7',
    500: '#3831ae',
    950: '#000000',
  },
}

SCSS

$custom: #3831ae;
$custom-light: #7f6bc7;
$custom-dark: #000000;

JSON

{
  "hex": "#3831ae",
  "rgb": {
    "r": 56,
    "g": 49,
    "b": 174
  },
  "hsl": {
    "h": 243.36,
    "s": 56.054,
    "l": 43.725
  },
  "oklch": {
    "l": 0.41146,
    "c": 0.18995,
    "h": 276.5
  },
  "luminance": 0.06093
}

Semantic roles & 50–950 ramp

primary

#3831AE

secondary

#BFC477

accent

#DF48D7

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3831AE

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

Preview Lab → · Contrast checker → · Palette generator →