#3828A6#3828A6

#3828A6 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 39.1% C 0.189 H 278.7°. Best body text is #FFFFFF at 10.38:1 contrast (WCAG AA passes).

Color values

HEX	#3828A6
RGB	rgb(56, 40, 166)
HSL	hsl(248, 61%, 40%)
HSV	hsv(248, 76%, 65%)
CMYK	cmyk(66.3%, 75.9%, 0%, 34.9%)
CIE-LAB	lab(27.05, 44.61, -64.80)
CIE-LCH	lch(27.05, 78.67, 304.54°)
OKLab	oklab(39.06% 0.0288 -0.1871)
OKLCH	oklch(39.06% 0.189 278.7)
XYZ	xyz(9.2704, 5.1107, 36.5669)
Luminance	0.0511 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3828A6 #96A628

analogous

#2857A6 #3828A6 #7728A6

triadic

#3828A6 #A63828 #28A638

tetradic

#3828A6 #A62857 #96A628 #28A677

square

#3828A6 #A62857 #96A628 #28A677

split-complementary

#3828A6 #A67728 #57A628

monochromatic

#171043 #271C75 #3828A6 #4E3BD0 #7B6DDC

Accessibility & contrast

On white

10.38

#3828A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#3828A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3828A6

10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3828A6	#FFFFFF	#000000	##FFFFFF
##3828A6	1.00	10.38	2.02	10.38
#FFFFFF	10.38	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045AA

Deuteranopia (green-blind)

#003BA4

Tritanopia (blue-blind)

#004C65

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #3828a6;
/* rgb */ color: rgb(56, 40, 166);
/* oklch */ color: oklch(39.1% 0.189 278.7);

Tailwind

colors: {
  custom: {
    50: '#7e65c2',
    500: '#3828a6',
    950: '#000000',
  },
}

SCSS

$custom: #3828a6;
$custom-light: #7e65c2;
$custom-dark: #000000;

JSON

{
  "hex": "#3828a6",
  "rgb": {
    "r": 56,
    "g": 40,
    "b": 166
  },
  "hsl": {
    "h": 247.619,
    "s": 61.165,
    "l": 40.392
  },
  "oklch": {
    "l": 0.39062,
    "c": 0.18932,
    "h": 278.7
  },
  "luminance": 0.05112
}

Semantic roles & 50–950 ramp

primary

#3828A6

secondary

#B7C267

accent

#E444D0

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3828A6

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

Preview Lab → · Contrast checker → · Palette generator →