#3828AC#3828AC

#3828AC is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.7% C 0.197 H 278.0°. Best body text is #FFFFFF at 10.16:1 contrast (WCAG AA passes).

Color values

HEX	#3828AC
RGB	rgb(56, 40, 172)
HSL	hsl(247, 62%, 42%)
HSV	hsv(247, 77%, 67%)
CMYK	cmyk(67.4%, 76.7%, 0%, 32.5%)
CIE-LAB	lab(27.67, 46.49, -67.39)
CIE-LCH	lch(27.67, 81.87, 304.60°)
OKLab	oklab(39.69% 0.0273 -0.1947)
OKLCH	oklch(39.69% 0.197 278)
XYZ	xyz(9.8337, 5.3360, 39.5335)
Luminance	0.0534 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3828AC #9CAC28

analogous

#285AAC #3828AC #7A28AC

triadic

#3828AC #AC3828 #28AC38

tetradic

#3828AC #AC285A #9CAC28 #28AC7A

square

#3828AC #AC285A #9CAC28 #28AC7A

split-complementary

#3828AC #AC7A28 #5AAC28

monochromatic

#181149 #281C7A #3828AC #513FD2 #7E71DE

Accessibility & contrast

On white

10.16

#3828AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#3828AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3828AC

10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3828AC	#FFFFFF	#000000	##FFFFFF
##3828AC	1.00	10.16	2.07	10.16
#FFFFFF	10.16	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B0

Deuteranopia (green-blind)

#003CAA

Tritanopia (blue-blind)

#004F69

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3828ac;
/* rgb */ color: rgb(56, 40, 172);
/* oklch */ color: oklch(39.7% 0.197 278.0);

Tailwind

colors: {
  custom: {
    50: '#7f65c6',
    500: '#3828ac',
    950: '#000000',
  },
}

SCSS

$custom: #3828ac;
$custom-light: #7f65c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3828ac",
  "rgb": {
    "r": 56,
    "g": 40,
    "b": 172
  },
  "hsl": {
    "h": 247.273,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.39687,
    "c": 0.19657,
    "h": 278
  },
  "luminance": 0.05337
}

Semantic roles & 50–950 ramp

primary

#3828AC

secondary

#BAC56B

accent

#E542D2

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3828AC

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

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