#3847B3#3847B3

#3847B3 is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.3% C 0.171 H 271.7°. Best body text is #FFFFFF at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#3847B3
RGB	rgb(56, 71, 179)
HSL	hsl(233, 52%, 46%)
HSV	hsv(233, 69%, 70%)
CMYK	cmyk(68.7%, 60.3%, 0%, 29.8%)
CIE-LAB	lab(35.20, 30.25, -59.21)
CIE-LCH	lch(35.20, 66.49, 297.07°)
OKLab	oklab(45.33% 0.0051 -0.1707)
OKLCH	oklch(45.33% 0.171 271.7)
XYZ	xyz(12.0181, 8.6008, 43.6658)
Luminance	0.0860 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3847B3 #B3A438

analogous

#3884B3 #3847B3 #6638B3

triadic

#3847B3 #B33847 #47B338

tetradic

#3847B3 #B33884 #B3A438 #38B366

square

#3847B3 #B33884 #B3A438 #38B366

split-complementary

#3847B3 #B36638 #84B338

monochromatic

#1B2256 #293584 #3847B3 #5C6ACC #8B95DB

Accessibility & contrast

On white

7.72

#3847B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#3847B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3847B3

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3847B3	#FFFFFF	#000000	##FFFFFF
##3847B3	1.00	7.72	2.72	7.72
#FFFFFF	7.72	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059B7

Deuteranopia (green-blind)

#004DB1

Tritanopia (blue-blind)

#006276

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3847b3;
/* rgb */ color: rgb(56, 71, 179);
/* oklch */ color: oklch(45.3% 0.171 271.7);

Tailwind

colors: {
  custom: {
    50: '#7e7acb',
    500: '#3847b3',
    950: '#000000',
  },
}

SCSS

$custom: #3847b3;
$custom-light: #7e7acb;
$custom-dark: #000000;

JSON

{
  "hex": "#3847b3",
  "rgb": {
    "r": 56,
    "g": 71,
    "b": 179
  },
  "hsl": {
    "h": 232.683,
    "s": 52.34,
    "l": 46.078
  },
  "oklch": {
    "l": 0.45331,
    "c": 0.17077,
    "h": 271.7
  },
  "luminance": 0.08602
}

Semantic roles & 50–950 ramp

primary

#3847B3

secondary

#C5BD82

accent

#CA4CDC

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3847B3

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

Preview Lab → · Contrast checker → · Palette generator →