#3827A3#3827A3

#3827A3 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.6% C 0.187 H 279.3°. Best body text is #FFFFFF at 10.57:1 contrast (WCAG AA passes).

Color values

HEX	#3827A3
RGB	rgb(56, 39, 163)
HSL	hsl(248, 61%, 40%)
HSV	hsv(248, 76%, 64%)
CMYK	cmyk(65.6%, 76.1%, 0%, 36.1%)
CIE-LAB	lab(26.55, 44.20, -63.80)
CIE-LCH	lch(26.55, 77.62, 304.71°)
OKLab	oklab(38.62% 0.0301 -0.1842)
OKLCH	oklch(38.62% 0.187 279.3)
XYZ	xyz(8.9652, 4.9354, 35.1234)
Luminance	0.0494 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3827A3 #92A327

analogous

#2754A3 #3827A3 #7627A3

triadic

#3827A3 #A33827 #27A338

tetradic

#3827A3 #A32754 #92A327 #27A376

square

#3827A3 #A32754 #92A327 #27A376

split-complementary

#3827A3 #A37627 #54A327

monochromatic

#160F40 #271B72 #3827A3 #4D38CF #7969DB

Accessibility & contrast

On white

10.57

#3827A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#3827A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3827A3

10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3827A3	#FFFFFF	#000000	##FFFFFF
##3827A3	1.00	10.57	1.99	10.57
#FFFFFF	10.57	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A7

Deuteranopia (green-blind)

#003AA1

Tritanopia (blue-blind)

#004B63

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #3827a3;
/* rgb */ color: rgb(56, 39, 163);
/* oklch */ color: oklch(38.6% 0.187 279.3);

Tailwind

colors: {
  custom: {
    50: '#7d64bf',
    500: '#3827a3',
    950: '#000000',
  },
}

SCSS

$custom: #3827a3;
$custom-light: #7d64bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3827a3",
  "rgb": {
    "r": 56,
    "g": 39,
    "b": 163
  },
  "hsl": {
    "h": 248.226,
    "s": 61.386,
    "l": 39.608
  },
  "oklch": {
    "l": 0.38619,
    "c": 0.18664,
    "h": 279.3
  },
  "luminance": 0.04936
}

Semantic roles & 50–950 ramp

primary

#3827A3

secondary

#B5C164

accent

#E443CE

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0512

muted

#7C7A81

Preview Lab

Preview with #3827A3

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

Preview Lab → · Contrast checker → · Palette generator →