#3827A4#3827A4

#3827A4 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.7% C 0.188 H 279.1°. Best body text is #FFFFFF at 10.53:1 contrast (WCAG AA passes).

Color values

HEX	#3827A4
RGB	rgb(56, 39, 164)
HSL	hsl(248, 62%, 40%)
HSV	hsv(248, 76%, 64%)
CMYK	cmyk(65.9%, 76.2%, 0%, 35.7%)
CIE-LAB	lab(26.65, 44.51, -64.24)
CIE-LCH	lch(26.65, 78.15, 304.72°)
OKLab	oklab(38.72% 0.0299 -0.1855)
OKLCH	oklch(38.72% 0.188 279.1)
XYZ	xyz(9.0551, 4.9714, 35.5972)
Luminance	0.0497 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3827A4 #93A427

analogous

#2755A4 #3827A4 #7727A4

triadic

#3827A4 #A43827 #27A438

tetradic

#3827A4 #A42755 #93A427 #27A477

square

#3827A4 #A42755 #93A427 #27A477

split-complementary

#3827A4 #A47727 #55A427

monochromatic

#160F41 #271B73 #3827A4 #4D38D0 #796ADC

Accessibility & contrast

On white

10.53

#3827A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#3827A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3827A4

10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3827A4	#FFFFFF	#000000	##FFFFFF
##3827A4	1.00	10.53	1.99	10.53
#FFFFFF	10.53	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A8

Deuteranopia (green-blind)

#003AA2

Tritanopia (blue-blind)

#004B64

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #3827a4;
/* rgb */ color: rgb(56, 39, 164);
/* oklch */ color: oklch(38.7% 0.188 279.1);

Tailwind

colors: {
  custom: {
    50: '#7e64c0',
    500: '#3827a4',
    950: '#000000',
  },
}

SCSS

$custom: #3827a4;
$custom-light: #7e64c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3827a4",
  "rgb": {
    "r": 56,
    "g": 39,
    "b": 164
  },
  "hsl": {
    "h": 248.16,
    "s": 61.576,
    "l": 39.804
  },
  "oklch": {
    "l": 0.38723,
    "c": 0.18787,
    "h": 279.1
  },
  "luminance": 0.04972
}

Semantic roles & 50–950 ramp

primary

#3827A4

secondary

#B5C265

accent

#E543CF

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0512

muted

#7C7A81

Preview Lab

Preview with #3827A4

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

Preview Lab → · Contrast checker → · Palette generator →