#3843C7#3843C7

#3843C7 is a mid, highly saturated blue. Relative luminance 0.090; OKLCH L 46.4% C 0.202 H 272.0°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#3843C7
RGB	rgb(56, 67, 199)
HSL	hsl(235, 56%, 50%)
HSV	hsv(235, 72%, 78%)
CMYK	cmyk(71.9%, 66.3%, 0%, 22%)
CIE-LAB	lab(35.94, 39.82, -69.75)
CIE-LCH	lch(35.94, 80.31, 299.72°)
OKLab	oklab(46.4% 0.0069 -0.2016)
OKLCH	oklch(46.4% 0.202 272)
XYZ	xyz(13.9434, 8.9772, 55.0197)
Luminance	0.0898 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3843C7 #C7BC38

analogous

#388AC7 #3843C7 #7538C7

triadic

#3843C7 #C73843 #43C738

tetradic

#3843C7 #C7388A #C7BC38 #38C775

square

#3843C7 #C7388A #C7BC38 #38C775

split-complementary

#3843C7 #C77538 #8AC738

monochromatic

#1D2367 #2B3397 #3843C7 #6870D4 #989DE2

Accessibility & contrast

On white

7.51

#3843C7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#3843C7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3843C7

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3843C7	#FFFFFF	#000000	##FFFFFF
##3843C7	1.00	7.51	2.80	7.51
#FFFFFF	7.51	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BCB

Deuteranopia (green-blind)

#004EC5

Tritanopia (blue-blind)

#00667F

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3843c7;
/* rgb */ color: rgb(56, 67, 199);
/* oklch */ color: oklch(46.4% 0.202 272.0);

Tailwind

colors: {
  custom: {
    50: '#8377d9',
    500: '#3843c7',
    950: '#000000',
  },
}

SCSS

$custom: #3843c7;
$custom-light: #8377d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3843c7",
  "rgb": {
    "r": 56,
    "g": 67,
    "b": 199
  },
  "hsl": {
    "h": 235.385,
    "s": 56.078,
    "l": 50
  },
  "oklch": {
    "l": 0.46396,
    "c": 0.20175,
    "h": 272
  },
  "luminance": 0.08979
}

Semantic roles & 50–950 ramp

primary

#3843C7

secondary

#CDC98D

accent

#D448DF

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0915

muted

#7D7B83

Preview Lab

Preview with #3843C7

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

Preview Lab → · Contrast checker → · Palette generator →