#3942DA#3942DA

#3942DA is a mid, highly saturated blue. Relative luminance 0.098; OKLCH L 48.1% C 0.226 H 271.6°. Best body text is #FFFFFF at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#3942DA
RGB	rgb(57, 66, 218)
HSL	hsl(237, 69%, 54%)
HSV	hsv(237, 74%, 85%)
CMYK	cmyk(73.9%, 69.7%, 0%, 14.5%)
CIE-LAB	lab(37.53, 46.98, -78.12)
CIE-LCH	lch(37.53, 91.16, 301.02°)
OKLab	oklab(48.09% 0.0065 -0.2261)
OKLCH	oklch(48.09% 0.226 271.6)
XYZ	xyz(16.2862, 9.8265, 67.3545)
Luminance	0.0983 (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

#3942DA #DAD139

analogous

#3993DA #3942DA #8139DA

triadic

#3942DA #DA3942 #42DA39

tetradic

#3942DA #DA3993 #DAD139 #39DA81

square

#3942DA #DA3993 #DAD139 #39DA81

split-complementary

#3942DA #DA8139 #93DA39

monochromatic

#181E81 #222AB4 #3942DA #6D73E4 #A0A4ED

Accessibility & contrast

On white

7.08

#3942DA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#3942DA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3942DA

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3942DA	#FFFFFF	#000000	##FFFFFF
##3942DA	1.00	7.08	2.97	7.08
#FFFFFF	7.08	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060DF

Deuteranopia (green-blind)

#0051D7

Tritanopia (blue-blind)

#006C89

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3942da;
/* rgb */ color: rgb(57, 66, 218);
/* oklch */ color: oklch(48.1% 0.226 271.6);

Tailwind

colors: {
  custom: {
    50: '#8777e7',
    500: '#3942da',
    950: '#000000',
  },
}

SCSS

$custom: #3942da;
$custom-light: #8777e7;
$custom-dark: #000000;

JSON

{
  "hex": "#3942da",
  "rgb": {
    "r": 57,
    "g": 66,
    "b": 218
  },
  "hsl": {
    "h": 236.646,
    "s": 68.511,
    "l": 53.922
  },
  "oklch": {
    "l": 0.48093,
    "c": 0.22615,
    "h": 271.6
  },
  "luminance": 0.09828
}

Semantic roles & 50–950 ramp

primary

#3942DA

secondary

#DAD695

accent

#E23CEB

background

#F9F7FE

surface

#F1EDFD

border

#CBC8D5

text

#0D0916

muted

#7E7B84

Preview Lab

Preview with #3942DA

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

Preview Lab → · Contrast checker → · Palette generator →