#3942C4#3942C4

#3942C4 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 46.0% C 0.199 H 272.6°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#3942C4
RGB	rgb(57, 66, 196)
HSL	hsl(236, 55%, 50%)
HSV	hsv(236, 71%, 77%)
CMYK	cmyk(70.9%, 66.3%, 0%, 23.1%)
CIE-LAB	lab(35.50, 39.51, -68.72)
CIE-LCH	lch(35.50, 79.27, 299.90°)
OKLab	oklab(46.01% 0.0089 -0.1986)
OKLCH	oklch(46.01% 0.199 272.6)
XYZ	xyz(13.5960, 8.7505, 53.1863)
Luminance	0.0875 (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

#3942C4 #C4BB39

analogous

#3988C4 #3942C4 #7639C4

triadic

#3942C4 #C43942 #42C439

tetradic

#3942C4 #C43988 #C4BB39 #39C476

square

#3942C4 #C43988 #C4BB39 #39C476

split-complementary

#3942C4 #C47639 #88C439

monochromatic

#1D2265 #2B3295 #3942C4 #676ED3 #979CE1

Accessibility & contrast

On white

7.64

#3942C4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#3942C4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3942C4

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3942C4	#FFFFFF	#000000	##FFFFFF
##3942C4	1.00	7.64	2.75	7.64
#FFFFFF	7.64	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC8

Deuteranopia (green-blind)

#004DC2

Tritanopia (blue-blind)

#00657D

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3942c4;
/* rgb */ color: rgb(57, 66, 196);
/* oklch */ color: oklch(46.0% 0.199 272.6);

Tailwind

colors: {
  custom: {
    50: '#8377d7',
    500: '#3942c4',
    950: '#000000',
  },
}

SCSS

$custom: #3942c4;
$custom-light: #8377d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3942c4",
  "rgb": {
    "r": 57,
    "g": 66,
    "b": 196
  },
  "hsl": {
    "h": 236.115,
    "s": 54.941,
    "l": 49.608
  },
  "oklch": {
    "l": 0.46008,
    "c": 0.1988,
    "h": 272.6
  },
  "luminance": 0.08752
}

Semantic roles & 50–950 ramp

primary

#3942C4

secondary

#CCC88D

accent

#D54ADE

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #3942C4

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

Preview Lab → · Contrast checker → · Palette generator →