#3828A9#3828A9

#3828A9 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 39.4% C 0.193 H 278.4°. Best body text is #FFFFFF at 10.27:1 contrast (WCAG AA passes).

Color values

HEX	#3828A9
RGB	rgb(56, 40, 169)
HSL	hsl(247, 62%, 41%)
HSV	hsv(247, 76%, 66%)
CMYK	cmyk(66.9%, 76.3%, 0%, 33.7%)
CIE-LAB	lab(27.36, 45.55, -66.10)
CIE-LCH	lch(27.36, 80.27, 304.57°)
OKLab	oklab(39.37% 0.0281 -0.1909)
OKLCH	oklch(39.37% 0.193 278.4)
XYZ	xyz(9.5488, 5.2221, 38.0332)
Luminance	0.0522 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3828A9 #99A928

analogous

#2858A9 #3828A9 #7828A9

triadic

#3828A9 #A93828 #28A938

tetradic

#3828A9 #A92858 #99A928 #28A978

square

#3828A9 #A92858 #99A928 #28A978

split-complementary

#3828A9 #A97828 #58A928

monochromatic

#171146 #281C78 #3828A9 #4F3DD1 #7C6FDD

Accessibility & contrast

On white

10.27

#3828A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#3828A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3828A9

10.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3828A9	#FFFFFF	#000000	##FFFFFF
##3828A9	1.00	10.27	2.04	10.27
#FFFFFF	10.27	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046AD

Deuteranopia (green-blind)

#003BA7

Tritanopia (blue-blind)

#004E67

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3828a9;
/* rgb */ color: rgb(56, 40, 169);
/* oklch */ color: oklch(39.4% 0.193 278.4);

Tailwind

colors: {
  custom: {
    50: '#7e65c4',
    500: '#3828a9',
    950: '#000000',
  },
}

SCSS

$custom: #3828a9;
$custom-light: #7e65c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3828a9",
  "rgb": {
    "r": 56,
    "g": 40,
    "b": 169
  },
  "hsl": {
    "h": 247.442,
    "s": 61.722,
    "l": 40.98
  },
  "oklch": {
    "l": 0.39374,
    "c": 0.19295,
    "h": 278.4
  },
  "luminance": 0.05223
}

Semantic roles & 50–950 ramp

primary

#3828A9

secondary

#B8C469

accent

#E543D1

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3828A9

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

Preview Lab → · Contrast checker → · Palette generator →