#3831AF#3831AF

#3831AF is a dark, vivid blue. Relative luminance 0.061; OKLCH L 41.2% C 0.191 H 276.4°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#3831AF
RGB	rgb(56, 49, 175)
HSL	hsl(243, 56%, 44%)
HSV	hsv(243, 72%, 69%)
CMYK	cmyk(68%, 72%, 0%, 31.4%)
CIE-LAB	lab(29.74, 42.48, -65.77)
CIE-LCH	lch(29.74, 78.30, 302.86°)
OKLab	oklab(41.25% 0.0213 -0.19)
OKLCH	oklch(41.25% 0.191 276.4)
XYZ	xyz(10.4645, 6.1316, 41.1812)
Luminance	0.0613 (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

#3831AF #A8AF31

analogous

#3169AF #3831AF #7731AF

triadic

#3831AF #AF3831 #31AF38

tetradic

#3831AF #AF3169 #A8AF31 #31AF77

square

#3831AF #AF3169 #A8AF31 #31AF77

split-complementary

#3831AF #AF7731 #69AF31

monochromatic

#19164F #29247F #3831AF #564FCE #847FDB

Accessibility & contrast

On white

9.43

#3831AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#3831AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3831AF

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3831AF	#FFFFFF	#000000	##FFFFFF
##3831AF	1.00	9.43	2.23	9.43
#FFFFFF	9.43	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB3

Deuteranopia (green-blind)

#0040AD

Tritanopia (blue-blind)

#00546D

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3831af;
/* rgb */ color: rgb(56, 49, 175);
/* oklch */ color: oklch(41.2% 0.191 276.4);

Tailwind

colors: {
  custom: {
    50: '#7f6bc8',
    500: '#3831af',
    950: '#000000',
  },
}

SCSS

$custom: #3831af;
$custom-light: #7f6bc8;
$custom-dark: #000000;

JSON

{
  "hex": "#3831af",
  "rgb": {
    "r": 56,
    "g": 49,
    "b": 175
  },
  "hsl": {
    "h": 243.333,
    "s": 56.25,
    "l": 43.922
  },
  "oklch": {
    "l": 0.41245,
    "c": 0.1912,
    "h": 276.4
  },
  "luminance": 0.06133
}

Semantic roles & 50–950 ramp

primary

#3831AF

secondary

#C0C478

accent

#E048D7

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3831AF

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

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