#3829AB#3829AB

#3829AB is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.7% C 0.194 H 278.0°. Best body text is #FFFFFF at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#3829AB
RGB	rgb(56, 41, 171)
HSL	hsl(247, 61%, 42%)
HSV	hsv(247, 76%, 67%)
CMYK	cmyk(67.3%, 76%, 0%, 32.9%)
CIE-LAB	lab(27.75, 45.64, -66.65)
CIE-LCH	lch(27.75, 80.78, 304.40°)
OKLab	oklab(39.71% 0.027 -0.1925)
OKLCH	oklch(39.71% 0.194 278)
XYZ	xyz(9.7721, 5.3661, 39.0410)
Luminance	0.0537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3829AB #9CAB29

analogous

#295BAB #3829AB #7929AB

triadic

#3829AB #AB3829 #29AB38

tetradic

#3829AB #AB295B #9CAB29 #29AB79

square

#3829AB #AB295B #9CAB29 #29AB79

split-complementary

#3829AB #AB7929 #5BAB29

monochromatic

#181148 #281D7A #3829AB #5140D1 #7E71DD

Accessibility & contrast

On white

10.13

#3829AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#3829AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3829AB

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3829AB	#FFFFFF	#000000	##FFFFFF
##3829AB	1.00	10.13	2.07	10.13
#FFFFFF	10.13	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047AF

Deuteranopia (green-blind)

#003CA9

Tritanopia (blue-blind)

#004F68

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3829ab;
/* rgb */ color: rgb(56, 41, 171);
/* oklch */ color: oklch(39.7% 0.194 278.0);

Tailwind

colors: {
  custom: {
    50: '#7f65c5',
    500: '#3829ab',
    950: '#000000',
  },
}

SCSS

$custom: #3829ab;
$custom-light: #7f65c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3829ab",
  "rgb": {
    "r": 56,
    "g": 41,
    "b": 171
  },
  "hsl": {
    "h": 246.923,
    "s": 61.321,
    "l": 41.569
  },
  "oklch": {
    "l": 0.39714,
    "c": 0.1944,
    "h": 278
  },
  "luminance": 0.05367
}

Semantic roles & 50–950 ramp

primary

#3829AB

secondary

#BAC46C

accent

#E443D2

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3829AB

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

Preview Lab → · Contrast checker → · Palette generator →