#3847B2#3847B2

#3847B2 is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.2% C 0.169 H 271.7°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#3847B2
RGB	rgb(56, 71, 178)
HSL	hsl(233, 52%, 46%)
HSV	hsv(233, 69%, 70%)
CMYK	cmyk(68.5%, 60.1%, 0%, 30.2%)
CIE-LAB	lab(35.12, 29.89, -58.74)
CIE-LCH	lch(35.12, 65.91, 296.97°)
OKLab	oklab(45.25% 0.0051 -0.1693)
OKLCH	oklch(45.25% 0.169 271.7)
XYZ	xyz(11.9173, 8.5605, 43.1351)
Luminance	0.0856 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3847B2 #B2A338

analogous

#3884B2 #3847B2 #6638B2

triadic

#3847B2 #B23847 #47B238

tetradic

#3847B2 #B23884 #B2A338 #38B266

square

#3847B2 #B23884 #B2A338 #38B266

split-complementary

#3847B2 #B26638 #84B238

monochromatic

#1B2255 #293483 #3847B2 #5C69CC #8A94DA

Accessibility & contrast

On white

7.74

#3847B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#3847B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3847B2

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3847B2	#FFFFFF	#000000	##FFFFFF
##3847B2	1.00	7.74	2.71	7.74
#FFFFFF	7.74	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B6

Deuteranopia (green-blind)

#004DB0

Tritanopia (blue-blind)

#006275

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3847b2;
/* rgb */ color: rgb(56, 71, 178);
/* oklch */ color: oklch(45.2% 0.169 271.7);

Tailwind

colors: {
  custom: {
    50: '#7e7aca',
    500: '#3847b2',
    950: '#000000',
  },
}

SCSS

$custom: #3847b2;
$custom-light: #7e7aca;
$custom-dark: #000000;

JSON

{
  "hex": "#3847b2",
  "rgb": {
    "r": 56,
    "g": 71,
    "b": 178
  },
  "hsl": {
    "h": 232.623,
    "s": 52.137,
    "l": 45.882
  },
  "oklch": {
    "l": 0.45246,
    "c": 0.16942,
    "h": 271.7
  },
  "luminance": 0.08562
}

Semantic roles & 50–950 ramp

primary

#3847B2

secondary

#C5BC81

accent

#CA4CDC

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3847B2

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

Preview Lab → · Contrast checker → · Palette generator →