#3827AA#3827AA

#3827AA is a dark, vivid blue. Relative luminance 0.052; OKLCH L 39.3% C 0.195 H 278.4°. Best body text is #FFFFFF at 10.30:1 contrast (WCAG AA passes).

Color values

HEX	#3827AA
RGB	rgb(56, 39, 170)
HSL	hsl(248, 63%, 41%)
HSV	hsv(248, 77%, 67%)
CMYK	cmyk(67.1%, 77.1%, 0%, 33.3%)
CIE-LAB	lab(27.28, 46.39, -66.83)
CIE-LCH	lch(27.28, 81.35, 304.76°)
OKLab	oklab(39.35% 0.0284 -0.193)
OKLCH	oklch(39.35% 0.195 278.4)
XYZ	xyz(9.6098, 5.1933, 38.5184)
Luminance	0.0519 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3827AA #99AA27

analogous

#2757AA #3827AA #7927AA

triadic

#3827AA #AA3827 #27AA38

tetradic

#3827AA #AA2757 #99AA27 #27AA79

square

#3827AA #AA2757 #99AA27 #27AA79

split-complementary

#3827AA #AA7927 #57AA27

monochromatic

#171046 #281C78 #3827AA #4F3CD2 #7C6EDE

Accessibility & contrast

On white

10.30

#3827AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#3827AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3827AA

10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3827AA	#FFFFFF	#000000	##FFFFFF
##3827AA	1.00	10.30	2.04	10.30
#FFFFFF	10.30	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045AE

Deuteranopia (green-blind)

#003BA8

Tritanopia (blue-blind)

#004D67

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #3827aa;
/* rgb */ color: rgb(56, 39, 170);
/* oklch */ color: oklch(39.3% 0.195 278.4);

Tailwind

colors: {
  custom: {
    50: '#7f64c5',
    500: '#3827aa',
    950: '#000000',
  },
}

SCSS

$custom: #3827aa;
$custom-light: #7f64c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3827aa",
  "rgb": {
    "r": 56,
    "g": 39,
    "b": 170
  },
  "hsl": {
    "h": 247.786,
    "s": 62.679,
    "l": 40.98
  },
  "oklch": {
    "l": 0.39349,
    "c": 0.19511,
    "h": 278.4
  },
  "luminance": 0.05194
}

Semantic roles & 50–950 ramp

primary

#3827AA

secondary

#B8C469

accent

#E642D0

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3827AA

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

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