#3847B5#3847B5

#3847B5 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.5% C 0.173 H 271.7°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#3847B5
RGB	rgb(56, 71, 181)
HSL	hsl(233, 53%, 46%)
HSV	hsv(233, 69%, 71%)
CMYK	cmyk(69.1%, 60.8%, 0%, 29%)
CIE-LAB	lab(35.37, 30.97, -60.13)
CIE-LCH	lch(35.37, 67.63, 297.25°)
OKLab	oklab(45.5% 0.0051 -0.1734)
OKLCH	oklch(45.5% 0.173 271.7)
XYZ	xyz(12.2218, 8.6823, 44.7389)
Luminance	0.0868 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3847B5 #B5A638

analogous

#3886B5 #3847B5 #6838B5

triadic

#3847B5 #B53847 #47B538

tetradic

#3847B5 #B53886 #B5A638 #38B568

square

#3847B5 #B53886 #B5A638 #38B568

split-complementary

#3847B5 #B56838 #86B538

monochromatic

#1B2258 #2A3586 #3847B5 #5D6BCD #8C96DB

Accessibility & contrast

On white

7.67

#3847B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#3847B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3847B5

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3847B5	#FFFFFF	#000000	##FFFFFF
##3847B5	1.00	7.67	2.74	7.67
#FFFFFF	7.67	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059B9

Deuteranopia (green-blind)

#004EB3

Tritanopia (blue-blind)

#006377

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3847b5;
/* rgb */ color: rgb(56, 71, 181);
/* oklch */ color: oklch(45.5% 0.173 271.7);

Tailwind

colors: {
  custom: {
    50: '#7e7acc',
    500: '#3847b5',
    950: '#000000',
  },
}

SCSS

$custom: #3847b5;
$custom-light: #7e7acc;
$custom-dark: #000000;

JSON

{
  "hex": "#3847b5",
  "rgb": {
    "r": 56,
    "g": 71,
    "b": 181
  },
  "hsl": {
    "h": 232.8,
    "s": 52.743,
    "l": 46.471
  },
  "oklch": {
    "l": 0.455,
    "c": 0.17347,
    "h": 271.7
  },
  "luminance": 0.08683
}

Semantic roles & 50–950 ramp

primary

#3847B5

secondary

#C6BE83

accent

#CB4CDC

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3847B5

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

Preview Lab → · Contrast checker → · Palette generator →