#3941BA#3941BA

#3941BA is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.9% C 0.187 H 273.2°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#3941BA
RGB	rgb(57, 65, 186)
HSL	hsl(236, 53%, 48%)
HSV	hsv(236, 69%, 73%)
CMYK	cmyk(69.4%, 65.1%, 0%, 27.1%)
CIE-LAB	lab(34.38, 36.67, -64.68)
CIE-LCH	lch(34.38, 74.35, 299.55°)
OKLab	oklab(44.93% 0.0104 -0.1868)
OKLCH	oklch(44.93% 0.187 273.2)
XYZ	xyz(12.4376, 8.1944, 47.3711)
Luminance	0.0820 (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

#3941BA #BAB239

analogous

#3981BA #3941BA #7139BA

triadic

#3941BA #BA3941 #41BA39

tetradic

#3941BA #BA3981 #BAB239 #39BA71

square

#3941BA #BA3981 #BAB239 #39BA71

split-complementary

#3941BA #BA7139 #81BA39

monochromatic

#1C205C #2B318B #3941BA #6168CF #9095DD

Accessibility & contrast

On white

7.96

#3941BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#3941BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3941BA

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3941BA	#FFFFFF	#000000	##FFFFFF
##3941BA	1.00	7.96	2.64	7.96
#FFFFFF	7.96	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057BE

Deuteranopia (green-blind)

#004BB8

Tritanopia (blue-blind)

#006177

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3941ba;
/* rgb */ color: rgb(57, 65, 186);
/* oklch */ color: oklch(44.9% 0.187 273.2);

Tailwind

colors: {
  custom: {
    50: '#8076d0',
    500: '#3941ba',
    950: '#000000',
  },
}

SCSS

$custom: #3941ba;
$custom-light: #8076d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3941ba",
  "rgb": {
    "r": 57,
    "g": 65,
    "b": 186
  },
  "hsl": {
    "h": 236.279,
    "s": 53.086,
    "l": 47.647
  },
  "oklch": {
    "l": 0.44925,
    "c": 0.18706,
    "h": 273.2
  },
  "luminance": 0.08196
}

Semantic roles & 50–950 ramp

primary

#3941BA

secondary

#C8C487

accent

#D34BDC

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3941BA

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

Preview Lab → · Contrast checker → · Palette generator →