#3827AE#3827AE

#3827AE is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.8% C 0.200 H 277.9°. Best body text is #FFFFFF at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#3827AE
RGB	rgb(56, 39, 174)
HSL	hsl(248, 63%, 42%)
HSV	hsv(248, 78%, 68%)
CMYK	cmyk(67.8%, 77.6%, 0%, 31.8%)
CIE-LAB	lab(27.70, 47.63, -68.54)
CIE-LCH	lch(27.70, 83.46, 304.80°)
OKLab	oklab(39.77% 0.0274 -0.198)
OKLCH	oklch(39.77% 0.2 277.9)
XYZ	xyz(9.9939, 5.3469, 40.5416)
Luminance	0.0535 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3827AE #9DAE27

analogous

#2759AE #3827AE #7C27AE

triadic

#3827AE #AE3827 #27AE38

tetradic

#3827AE #AE2759 #9DAE27 #27AE7C

square

#3827AE #AE2759 #9DAE27 #27AE7C

split-complementary

#3827AE #AE7C27 #59AE27

monochromatic

#18114A #281C7C #3827AE #513ED4 #7E70DF

Accessibility & contrast

On white

10.15

#3827AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#3827AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3827AE

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3827AE	#FFFFFF	#000000	##FFFFFF
##3827AE	1.00	10.15	2.07	10.15
#FFFFFF	10.15	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B2

Deuteranopia (green-blind)

#003CAC

Tritanopia (blue-blind)

#004F6A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3827ae;
/* rgb */ color: rgb(56, 39, 174);
/* oklch */ color: oklch(39.8% 0.200 277.9);

Tailwind

colors: {
  custom: {
    50: '#8064c7',
    500: '#3827ae',
    950: '#000000',
  },
}

SCSS

$custom: #3827ae;
$custom-light: #8064c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3827ae",
  "rgb": {
    "r": 56,
    "g": 39,
    "b": 174
  },
  "hsl": {
    "h": 247.556,
    "s": 63.38,
    "l": 41.765
  },
  "oklch": {
    "l": 0.39771,
    "c": 0.19988,
    "h": 277.9
  },
  "luminance": 0.05348
}

Semantic roles & 50–950 ramp

primary

#3827AE

secondary

#BAC66B

accent

#E641D2

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3827AE

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

Preview Lab → · Contrast checker → · Palette generator →