#3942A3#3942A3

#3942A3 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.1% C 0.155 H 273.9°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#3942A3
RGB	rgb(57, 66, 163)
HSL	hsl(235, 48%, 43%)
HSV	hsv(235, 65%, 64%)
CMYK	cmyk(65%, 59.5%, 0%, 36.1%)
CIE-LAB	lab(32.72, 27.94, -53.69)
CIE-LCH	lch(32.72, 60.53, 297.49°)
OKLab	oklab(43.11% 0.0106 -0.1545)
OKLCH	oklch(43.11% 0.155 273.9)
XYZ	xyz(10.2442, 7.4098, 35.5336)
Luminance	0.0741 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3942A3 #A39A39

analogous

#3977A3 #3942A3 #6539A3

triadic

#3942A3 #A33942 #42A339

tetradic

#3942A3 #A33977 #A39A39 #39A365

square

#3942A3 #A33977 #A39A39 #39A365

split-complementary

#3942A3 #A36539 #77A339

monochromatic

#191D48 #293076 #3942A3 #555FC4 #838AD4

Accessibility & contrast

On white

8.46

#3942A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#3942A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3942A3

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3942A3	#FFFFFF	#000000	##FFFFFF
##3942A3	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A6

Deuteranopia (green-blind)

#0048A1

Tritanopia (blue-blind)

#005A6C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3942a3;
/* rgb */ color: rgb(57, 66, 163);
/* oklch */ color: oklch(43.1% 0.155 273.9);

Tailwind

colors: {
  custom: {
    50: '#7c76bf',
    500: '#3942a3',
    950: '#000000',
  },
}

SCSS

$custom: #3942a3;
$custom-light: #7c76bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3942a3",
  "rgb": {
    "r": 57,
    "g": 66,
    "b": 163
  },
  "hsl": {
    "h": 234.906,
    "s": 48.182,
    "l": 43.137
  },
  "oklch": {
    "l": 0.43108,
    "c": 0.15488,
    "h": 273.9
  },
  "luminance": 0.07411
}

Semantic roles & 50–950 ramp

primary

#3942A3

secondary

#BDB87A

accent

#CC50D8

background

#F8F7FB

surface

#EFEDF7

border

#CAC8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #3942A3

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

Preview Lab → · Contrast checker → · Palette generator →