#3942C1#3942C1

#3942C1 is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.7% C 0.195 H 272.7°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#3942C1
RGB	rgb(57, 66, 193)
HSL	hsl(236, 54%, 49%)
HSV	hsv(236, 70%, 76%)
CMYK	cmyk(70.5%, 65.8%, 0%, 24.3%)
CIE-LAB	lab(35.23, 38.48, -67.40)
CIE-LCH	lch(35.23, 77.61, 299.72°)
OKLab	oklab(45.73% 0.0092 -0.1947)
OKLCH	oklch(45.73% 0.195 272.7)
XYZ	xyz(13.2580, 8.6152, 51.4059)
Luminance	0.0862 (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

#3942C1 #C1B839

analogous

#3986C1 #3942C1 #7439C1

triadic

#3942C1 #C13942 #42C139

tetradic

#3942C1 #C13986 #C1B839 #39C174

square

#3942C1 #C13986 #C1B839 #39C174

split-complementary

#3942C1 #C17439 #86C139

monochromatic

#1D2263 #2B3292 #3942C1 #666DD2 #959AE0

Accessibility & contrast

On white

7.71

#3942C1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#3942C1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3942C1

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3942C1	#FFFFFF	#000000	##FFFFFF
##3942C1	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C5

Deuteranopia (green-blind)

#004DBF

Tritanopia (blue-blind)

#00647C

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3942c1;
/* rgb */ color: rgb(57, 66, 193);
/* oklch */ color: oklch(45.7% 0.195 272.7);

Tailwind

colors: {
  custom: {
    50: '#8277d5',
    500: '#3942c1',
    950: '#000000',
  },
}

SCSS

$custom: #3942c1;
$custom-light: #8277d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3942c1",
  "rgb": {
    "r": 57,
    "g": 66,
    "b": 193
  },
  "hsl": {
    "h": 236.029,
    "s": 54.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.45733,
    "c": 0.19495,
    "h": 272.7
  },
  "luminance": 0.08617
}

Semantic roles & 50–950 ramp

primary

#3942C1

secondary

#CBC78B

accent

#D44ADE

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3942C1

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

Preview Lab → · Contrast checker → · Palette generator →