#3827AC#3827AC

#3827AC is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.6% C 0.198 H 278.1°. Best body text is #FFFFFF at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#3827AC
RGB	rgb(56, 39, 172)
HSL	hsl(248, 63%, 41%)
HSV	hsv(248, 77%, 67%)
CMYK	cmyk(67.4%, 77.3%, 0%, 32.5%)
CIE-LAB	lab(27.49, 47.01, -67.69)
CIE-LCH	lch(27.49, 82.41, 304.78°)
OKLab	oklab(39.56% 0.0279 -0.1955)
OKLCH	oklch(39.56% 0.198 278.1)
XYZ	xyz(9.8004, 5.2695, 39.5224)
Luminance	0.0527 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3827AC #9BAC27

analogous

#2759AC #3827AC #7B27AC

triadic

#3827AC #AC3827 #27AC38

tetradic

#3827AC #AC2759 #9BAC27 #27AC7B

square

#3827AC #AC2759 #9BAC27 #27AC7B

split-complementary

#3827AC #AC7B27 #59AC27

monochromatic

#181048 #281C7A #3827AC #503DD3 #7D6FDE

Accessibility & contrast

On white

10.22

#3827AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#3827AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3827AC

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3827AC	#FFFFFF	#000000	##FFFFFF
##3827AC	1.00	10.22	2.05	10.22
#FFFFFF	10.22	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046B0

Deuteranopia (green-blind)

#003BAA

Tritanopia (blue-blind)

#004E68

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3827ac;
/* rgb */ color: rgb(56, 39, 172);
/* oklch */ color: oklch(39.6% 0.198 278.1);

Tailwind

colors: {
  custom: {
    50: '#7f64c6',
    500: '#3827ac',
    950: '#000000',
  },
}

SCSS

$custom: #3827ac;
$custom-light: #7f64c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3827ac",
  "rgb": {
    "r": 56,
    "g": 39,
    "b": 172
  },
  "hsl": {
    "h": 247.669,
    "s": 63.033,
    "l": 41.373
  },
  "oklch": {
    "l": 0.39559,
    "c": 0.1975,
    "h": 278.1
  },
  "luminance": 0.0527
}

Semantic roles & 50–950 ramp

primary

#3827AC

secondary

#B9C56A

accent

#E642D1

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3827AC

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

Preview Lab → · Contrast checker → · Palette generator →