#3847B0#3847B0

#3847B0 is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.1% C 0.167 H 271.8°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#3847B0
RGB	rgb(56, 71, 176)
HSL	hsl(233, 52%, 45%)
HSV	hsv(233, 68%, 69%)
CMYK	cmyk(68.2%, 59.7%, 0%, 31%)
CIE-LAB	lab(34.96, 29.18, -57.82)
CIE-LCH	lch(34.96, 64.76, 296.78°)
OKLab	oklab(45.08% 0.0051 -0.1666)
OKLCH	oklch(45.08% 0.167 271.8)
XYZ	xyz(11.7180, 8.4807, 42.0853)
Luminance	0.0848 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3847B0 #B0A138

analogous

#3883B0 #3847B0 #6538B0

triadic

#3847B0 #B03847 #47B038

tetradic

#3847B0 #B03883 #B0A138 #38B065

square

#3847B0 #B03883 #B0A138 #38B065

split-complementary

#3847B0 #B06538 #83B038

monochromatic

#1A2253 #293482 #3847B0 #5B69CB #8993D9

Accessibility & contrast

On white

7.79

#3847B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#3847B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3847B0

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3847B0	#FFFFFF	#000000	##FFFFFF
##3847B0	1.00	7.79	2.70	7.79
#FFFFFF	7.79	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B3

Deuteranopia (green-blind)

#004DAE

Tritanopia (blue-blind)

#006174

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3847b0;
/* rgb */ color: rgb(56, 71, 176);
/* oklch */ color: oklch(45.1% 0.167 271.8);

Tailwind

colors: {
  custom: {
    50: '#7d7ac8',
    500: '#3847b0',
    950: '#000000',
  },
}

SCSS

$custom: #3847b0;
$custom-light: #7d7ac8;
$custom-dark: #000000;

JSON

{
  "hex": "#3847b0",
  "rgb": {
    "r": 56,
    "g": 71,
    "b": 176
  },
  "hsl": {
    "h": 232.5,
    "s": 51.724,
    "l": 45.49
  },
  "oklch": {
    "l": 0.45078,
    "c": 0.16669,
    "h": 271.8
  },
  "luminance": 0.08482
}

Semantic roles & 50–950 ramp

primary

#3847B0

secondary

#C4BB80

accent

#C94DDB

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3847B0

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

Preview Lab → · Contrast checker → · Palette generator →