#3942AE#3942AE

#3942AE is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.0% C 0.170 H 273.5°. Best body text is #FFFFFF at 8.19:1 contrast (WCAG AA passes).

Color values

HEX	#3942AE
RGB	rgb(57, 66, 174)
HSL	hsl(235, 51%, 45%)
HSV	hsv(235, 67%, 68%)
CMYK	cmyk(67.2%, 62.1%, 0%, 31.8%)
CIE-LAB	lab(33.61, 31.83, -58.84)
CIE-LCH	lch(33.61, 66.90, 298.42°)
OKLab	oklab(44.04% 0.0103 -0.1696)
OKLCH	oklch(44.04% 0.17 273.5)
XYZ	xyz(11.2730, 7.8213, 40.9518)
Luminance	0.0782 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.69

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3942AE #AEA539

analogous

#397CAE #3942AE #6B39AE

triadic

#3942AE #AE3942 #42AE39

tetradic

#3942AE #AE397C #AEA539 #39AE6B

square

#3942AE #AE397C #AEA539 #39AE6B

split-complementary

#3942AE #AE6B39 #7CAE39

monochromatic

#1B1F52 #2A3180 #3942AE #5B63C9 #898FD8

Accessibility & contrast

On white

8.19

#3942AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#3942AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3942AE

8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3942AE	#FFFFFF	#000000	##FFFFFF
##3942AE	1.00	8.19	2.56	8.19
#FFFFFF	8.19	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B2

Deuteranopia (green-blind)

#004AAC

Tritanopia (blue-blind)

#005D71

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3942ae;
/* rgb */ color: rgb(57, 66, 174);
/* oklch */ color: oklch(44.0% 0.170 273.5);

Tailwind

colors: {
  custom: {
    50: '#7e76c7',
    500: '#3942ae',
    950: '#000000',
  },
}

SCSS

$custom: #3942ae;
$custom-light: #7e76c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3942ae",
  "rgb": {
    "r": 57,
    "g": 66,
    "b": 174
  },
  "hsl": {
    "h": 235.385,
    "s": 50.649,
    "l": 45.294
  },
  "oklch": {
    "l": 0.4404,
    "c": 0.16994,
    "h": 273.5
  },
  "luminance": 0.07822
}

Semantic roles & 50–950 ramp

primary

#3942AE

secondary

#C3BD80

accent

#CF4EDA

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3942AE

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

Preview Lab → · Contrast checker → · Palette generator →