#3941CA#3941CA

#3941CA is a mid, highly saturated blue. Relative luminance 0.089; OKLCH L 46.4% C 0.207 H 272.5°. Best body text is #FFFFFF at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#3941CA
RGB	rgb(57, 65, 202)
HSL	hsl(237, 58%, 51%)
HSV	hsv(237, 72%, 79%)
CMYK	cmyk(71.8%, 67.8%, 0%, 20.8%)
CIE-LAB	lab(35.82, 42.18, -71.69)
CIE-LCH	lch(35.82, 83.18, 300.47°)
OKLab	oklab(46.41% 0.0089 -0.2073)
OKLCH	oklch(46.41% 0.207 272.5)
XYZ	xyz(14.2347, 8.9133, 56.8359)
Luminance	0.0891 (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

#3941CA #CAC239

analogous

#3989CA #3941CA #7939CA

triadic

#3941CA #CA3941 #41CA39

tetradic

#3941CA #CA3989 #CAC239 #39CA79

square

#3941CA #CA3989 #CAC239 #39CA79

split-complementary

#3941CA #CA7939 #89CA39

monochromatic

#1D216C #2A309C #3941CA #696FD7 #9A9EE4

Accessibility & contrast

On white

7.55

#3941CA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#3941CA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3941CA

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3941CA	#FFFFFF	#000000	##FFFFFF
##3941CA	1.00	7.55	2.78	7.55
#FFFFFF	7.55	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BCE

Deuteranopia (green-blind)

#004DC7

Tritanopia (blue-blind)

#006680

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3941ca;
/* rgb */ color: rgb(57, 65, 202);
/* oklch */ color: oklch(46.4% 0.207 272.5);

Tailwind

colors: {
  custom: {
    50: '#8476db',
    500: '#3941ca',
    950: '#000000',
  },
}

SCSS

$custom: #3941ca;
$custom-light: #8476db;
$custom-dark: #000000;

JSON

{
  "hex": "#3941ca",
  "rgb": {
    "r": 57,
    "g": 65,
    "b": 202
  },
  "hsl": {
    "h": 236.69,
    "s": 57.769,
    "l": 50.784
  },
  "oklch": {
    "l": 0.46405,
    "c": 0.20749,
    "h": 272.5
  },
  "luminance": 0.08915
}

Semantic roles & 50–950 ramp

primary

#3941CA

secondary

#D0CC8F

accent

#D847E1

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #3941CA

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

Preview Lab → · Contrast checker → · Palette generator →