#3942BE#3942BE

#3942BE is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.5% C 0.191 H 272.8°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#3942BE
RGB	rgb(57, 66, 190)
HSL	hsl(236, 54%, 48%)
HSV	hsv(236, 70%, 75%)
CMYK	cmyk(70%, 65.3%, 0%, 25.5%)
CIE-LAB	lab(34.97, 37.44, -66.07)
CIE-LCH	lch(34.97, 75.94, 299.54°)
OKLab	oklab(45.46% 0.0094 -0.1909)
OKLCH	oklch(45.46% 0.191 272.8)
XYZ	xyz(12.9267, 8.4827, 49.6613)
Luminance	0.0848 (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

#3942BE #BEB539

analogous

#3984BE #3942BE #7239BE

triadic

#3942BE #BE3942 #42BE39

tetradic

#3942BE #BE3984 #BEB539 #39BE72

square

#3942BE #BE3984 #BEB539 #39BE72

split-complementary

#3942BE #BE7239 #84BE39

monochromatic

#1D2160 #2B328F #3942BE #646BD0 #9398DF

Accessibility & contrast

On white

7.79

#3942BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#3942BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3942BE

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3942BE	#FFFFFF	#000000	##FFFFFF
##3942BE	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)

#0058C2

Deuteranopia (green-blind)

#004CBC

Tritanopia (blue-blind)

#00637A

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3942be;
/* rgb */ color: rgb(57, 66, 190);
/* oklch */ color: oklch(45.5% 0.191 272.8);

Tailwind

colors: {
  custom: {
    50: '#8176d3',
    500: '#3942be',
    950: '#000000',
  },
}

SCSS

$custom: #3942be;
$custom-light: #8176d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3942be",
  "rgb": {
    "r": 57,
    "g": 66,
    "b": 190
  },
  "hsl": {
    "h": 235.94,
    "s": 53.846,
    "l": 48.431
  },
  "oklch": {
    "l": 0.45459,
    "c": 0.19109,
    "h": 272.8
  },
  "luminance": 0.08484
}

Semantic roles & 50–950 ramp

primary

#3942BE

secondary

#CAC589

accent

#D34BDD

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3942BE

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

Preview Lab → · Contrast checker → · Palette generator →