#3941B4#3941B4

#3941B4 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.4% C 0.179 H 273.5°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#3941B4
RGB	rgb(57, 65, 180)
HSL	hsl(236, 52%, 46%)
HSV	hsv(236, 68%, 71%)
CMYK	cmyk(68.3%, 63.9%, 0%, 29.4%)
CIE-LAB	lab(33.87, 34.58, -61.98)
CIE-LCH	lch(33.87, 70.97, 299.16°)
OKLab	oklab(44.39% 0.0108 -0.1788)
OKLCH	oklch(44.39% 0.179 273.5)
XYZ	xyz(11.8131, 7.9446, 44.0821)
Luminance	0.0795 (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

#3941B4 #B4AC39

analogous

#397FB4 #3941B4 #6F39B4

triadic

#3941B4 #B43941 #41B439

tetradic

#3941B4 #B4397F #B4AC39 #39B46F

square

#3941B4 #B4397F #B4AC39 #39B46F

split-complementary

#3941B4 #B46F39 #7FB439

monochromatic

#1C1F57 #2A3086 #3941B4 #5E65CC #8D92DB

Accessibility & contrast

On white

8.11

#3941B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#3941B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3941B4

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3941B4	#FFFFFF	#000000	##FFFFFF
##3941B4	1.00	8.11	2.59	8.11
#FFFFFF	8.11	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B8

Deuteranopia (green-blind)

#004AB2

Tritanopia (blue-blind)

#005F74

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3941b4;
/* rgb */ color: rgb(57, 65, 180);
/* oklch */ color: oklch(44.4% 0.179 273.5);

Tailwind

colors: {
  custom: {
    50: '#7f76cb',
    500: '#3941b4',
    950: '#000000',
  },
}

SCSS

$custom: #3941b4;
$custom-light: #7f76cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3941b4",
  "rgb": {
    "r": 57,
    "g": 65,
    "b": 180
  },
  "hsl": {
    "h": 236.098,
    "s": 51.899,
    "l": 46.471
  },
  "oklch": {
    "l": 0.44387,
    "c": 0.17918,
    "h": 273.5
  },
  "luminance": 0.07946
}

Semantic roles & 50–950 ramp

primary

#3941B4

secondary

#C5C183

accent

#D24CDB

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3941B4

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

Preview Lab → · Contrast checker → · Palette generator →