#3847B8#3847B8

#3847B8 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.8% C 0.177 H 271.6°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#3847B8
RGB	rgb(56, 71, 184)
HSL	hsl(233, 53%, 47%)
HSV	hsv(233, 70%, 72%)
CMYK	cmyk(69.6%, 61.4%, 0%, 27.8%)
CIE-LAB	lab(35.61, 32.04, -61.50)
CIE-LCH	lch(35.61, 69.34, 297.52°)
OKLab	oklab(45.76% 0.005 -0.1774)
OKLCH	oklch(45.76% 0.178 271.6)
XYZ	xyz(12.5329, 8.8067, 46.3775)
Luminance	0.0881 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.77

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3847B8 #B8A938

analogous

#3887B8 #3847B8 #6938B8

triadic

#3847B8 #B83847 #47B838

tetradic

#3847B8 #B83887 #B8A938 #38B869

square

#3847B8 #B83887 #B8A938 #38B869

split-complementary

#3847B8 #B86938 #87B838

monochromatic

#1B235A #2A3589 #3847B8 #5F6CCE #8E97DD

Accessibility & contrast

On white

7.60

#3847B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#3847B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3847B8

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3847B8	#FFFFFF	#000000	##FFFFFF
##3847B8	1.00	7.60	2.76	7.60
#FFFFFF	7.60	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ABC

Deuteranopia (green-blind)

#004EB6

Tritanopia (blue-blind)

#006478

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3847b8;
/* rgb */ color: rgb(56, 71, 184);
/* oklch */ color: oklch(45.8% 0.177 271.6);

Tailwind

colors: {
  custom: {
    50: '#7f7ace',
    500: '#3847b8',
    950: '#000000',
  },
}

SCSS

$custom: #3847b8;
$custom-light: #7f7ace;
$custom-dark: #000000;

JSON

{
  "hex": "#3847b8",
  "rgb": {
    "r": 56,
    "g": 71,
    "b": 184
  },
  "hsl": {
    "h": 232.969,
    "s": 53.333,
    "l": 47.059
  },
  "oklch": {
    "l": 0.45757,
    "c": 0.1775,
    "h": 271.6
  },
  "luminance": 0.08808
}

Semantic roles & 50–950 ramp

primary

#3847B8

secondary

#C7BF85

accent

#CC4BDD

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #3847B8

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

Preview Lab → · Contrast checker → · Palette generator →