#3847AB#3847AB

#3847AB is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.7% C 0.160 H 271.8°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#3847AB
RGB	rgb(56, 71, 171)
HSL	hsl(232, 51%, 45%)
HSV	hsv(232, 67%, 67%)
CMYK	cmyk(67.3%, 58.5%, 0%, 32.9%)
CIE-LAB	lab(34.57, 27.38, -55.48)
CIE-LCH	lch(34.57, 61.87, 296.27°)
OKLab	oklab(44.66% 0.0051 -0.1597)
OKLCH	oklch(44.66% 0.16 271.8)
XYZ	xyz(11.2323, 8.2865, 39.5277)
Luminance	0.0829 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3847AB #AB9C38

analogous

#3881AB #3847AB #6338AB

triadic

#3847AB #AB3847 #47AB38

tetradic

#3847AB #AB3881 #AB9C38 #38AB63

square

#3847AB #AB3881 #AB9C38 #38AB63

split-complementary

#3847AB #AB6338 #81AB38

monochromatic

#1A214F #29347D #3847AB #5867C8 #8691D7

Accessibility & contrast

On white

7.90

#3847AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#3847AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3847AB

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3847AB	#FFFFFF	#000000	##FFFFFF
##3847AB	1.00	7.90	2.66	7.90
#FFFFFF	7.90	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057AE

Deuteranopia (green-blind)

#004CA9

Tritanopia (blue-blind)

#005F72

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3847ab;
/* rgb */ color: rgb(56, 71, 171);
/* oklch */ color: oklch(44.7% 0.160 271.8);

Tailwind

colors: {
  custom: {
    50: '#7c7ac5',
    500: '#3847ab',
    950: '#000000',
  },
}

SCSS

$custom: #3847ab;
$custom-light: #7c7ac5;
$custom-dark: #000000;

JSON

{
  "hex": "#3847ab",
  "rgb": {
    "r": 56,
    "g": 71,
    "b": 171
  },
  "hsl": {
    "h": 232.174,
    "s": 50.661,
    "l": 44.51
  },
  "oklch": {
    "l": 0.44664,
    "c": 0.15983,
    "h": 271.8
  },
  "luminance": 0.08288
}

Semantic roles & 50–950 ramp

primary

#3847AB

secondary

#C1B87D

accent

#C84EDA

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3847AB

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

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