#3942BD#3942BD

#3942BD is a mid, vivid blue. Relative luminance 0.084; OKLCH L 45.4% C 0.190 H 272.9°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#3942BD
RGB	rgb(57, 66, 189)
HSL	hsl(236, 54%, 48%)
HSV	hsv(236, 70%, 74%)
CMYK	cmyk(69.8%, 65.1%, 0%, 25.9%)
CIE-LAB	lab(34.88, 37.09, -65.63)
CIE-LCH	lch(34.88, 75.39, 299.47°)
OKLab	oklab(45.37% 0.0095 -0.1895)
OKLCH	oklch(45.37% 0.19 272.9)
XYZ	xyz(12.8178, 8.4392, 49.0877)
Luminance	0.0844 (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

#3942BD #BDB439

analogous

#3984BD #3942BD #7239BD

triadic

#3942BD #BD3942 #42BD39

tetradic

#3942BD #BD3984 #BDB439 #39BD72

square

#3942BD #BD3984 #BDB439 #39BD72

split-complementary

#3942BD #BD7239 #84BD39

monochromatic

#1D215F #2B328E #3942BD #636BD0 #9297DE

Accessibility & contrast

On white

7.81

#3942BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#3942BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3942BD

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3942BD	#FFFFFF	#000000	##FFFFFF
##3942BD	1.00	7.81	2.69	7.81
#FFFFFF	7.81	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C1

Deuteranopia (green-blind)

#004CBB

Tritanopia (blue-blind)

#006279

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3942bd;
/* rgb */ color: rgb(57, 66, 189);
/* oklch */ color: oklch(45.4% 0.190 272.9);

Tailwind

colors: {
  custom: {
    50: '#8176d2',
    500: '#3942bd',
    950: '#000000',
  },
}

SCSS

$custom: #3942bd;
$custom-light: #8176d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3942bd",
  "rgb": {
    "r": 57,
    "g": 66,
    "b": 189
  },
  "hsl": {
    "h": 235.909,
    "s": 53.659,
    "l": 48.235
  },
  "oklch": {
    "l": 0.45368,
    "c": 0.18979,
    "h": 272.9
  },
  "luminance": 0.0844
}

Semantic roles & 50–950 ramp

primary

#3942BD

secondary

#C9C589

accent

#D34BDD

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3942BD

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

Preview Lab → · Contrast checker → · Palette generator →