#3827AF#3827AF

#3827AF is a dark, highly saturated blue. Relative luminance 0.054; OKLCH L 39.9% C 0.201 H 277.8°. Best body text is #FFFFFF at 10.11:1 contrast (WCAG AA passes).

Color values

HEX	#3827AF
RGB	rgb(56, 39, 175)
HSL	hsl(248, 64%, 42%)
HSV	hsv(248, 78%, 69%)
CMYK	cmyk(68%, 77.7%, 0%, 31.4%)
CIE-LAB	lab(27.81, 47.94, -68.96)
CIE-LCH	lch(27.81, 83.98, 304.80°)
OKLab	oklab(39.88% 0.0271 -0.1992)
OKLCH	oklch(39.88% 0.201 277.8)
XYZ	xyz(10.0918, 5.3861, 41.0569)
Luminance	0.0539 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3827AF #9EAF27

analogous

#275AAF #3827AF #7C27AF

triadic

#3827AF #AF3827 #27AF38

tetradic

#3827AF #AF275A #9EAF27 #27AF7C

square

#3827AF #AF275A #9EAF27 #27AF7C

split-complementary

#3827AF #AF7C27 #5AAF27

monochromatic

#18114B #281C7D #3827AF #523FD4 #7F71DF

Accessibility & contrast

On white

10.11

#3827AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#3827AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3827AF

10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3827AF	#FFFFFF	#000000	##FFFFFF
##3827AF	1.00	10.11	2.08	10.11
#FFFFFF	10.11	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B3

Deuteranopia (green-blind)

#003CAD

Tritanopia (blue-blind)

#004F6A

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3827af;
/* rgb */ color: rgb(56, 39, 175);
/* oklch */ color: oklch(39.9% 0.201 277.8);

Tailwind

colors: {
  custom: {
    50: '#8065c8',
    500: '#3827af',
    950: '#000000',
  },
}

SCSS

$custom: #3827af;
$custom-light: #8065c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3827af",
  "rgb": {
    "r": 56,
    "g": 39,
    "b": 175
  },
  "hsl": {
    "h": 247.5,
    "s": 63.551,
    "l": 41.961
  },
  "oklch": {
    "l": 0.39877,
    "c": 0.20107,
    "h": 277.8
  },
  "luminance": 0.05387
}

Semantic roles & 50–950 ramp

primary

#3827AF

secondary

#BBC66B

accent

#E741D2

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3827AF

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

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