#3941AF#3941AF

#3941AF is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.9% C 0.173 H 273.7°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#3941AF
RGB	rgb(57, 65, 175)
HSL	hsl(236, 51%, 45%)
HSV	hsv(236, 67%, 69%)
CMYK	cmyk(67.4%, 62.9%, 0%, 31.4%)
CIE-LAB	lab(33.45, 32.83, -59.70)
CIE-LCH	lch(33.45, 68.13, 298.80°)
OKLab	oklab(43.95% 0.0111 -0.1722)
OKLCH	oklch(43.95% 0.173 273.7)
XYZ	xyz(11.3129, 7.7446, 41.4478)
Luminance	0.0775 (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

#3941AF #AFA739

analogous

#397CAF #3941AF #6C39AF

triadic

#3941AF #AF3941 #41AF39

tetradic

#3941AF #AF397C #AFA739 #39AF6C

square

#3941AF #AF397C #AFA739 #39AF6C

split-complementary

#3941AF #AF6C39 #7CAF39

monochromatic

#1B1F53 #2A3081 #3941AF #5B63CA #8A8FD9

Accessibility & contrast

On white

8.24

#3941AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#3941AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3941AF

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3941AF	#FFFFFF	#000000	##FFFFFF
##3941AF	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B3

Deuteranopia (green-blind)

#0049AD

Tritanopia (blue-blind)

#005D72

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3941af;
/* rgb */ color: rgb(57, 65, 175);
/* oklch */ color: oklch(43.9% 0.173 273.7);

Tailwind

colors: {
  custom: {
    50: '#7e75c8',
    500: '#3941af',
    950: '#000000',
  },
}

SCSS

$custom: #3941af;
$custom-light: #7e75c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3941af",
  "rgb": {
    "r": 57,
    "g": 65,
    "b": 175
  },
  "hsl": {
    "h": 235.932,
    "s": 50.862,
    "l": 45.49
  },
  "oklch": {
    "l": 0.43946,
    "c": 0.17253,
    "h": 273.7
  },
  "luminance": 0.07746
}

Semantic roles & 50–950 ramp

primary

#3941AF

secondary

#C3BF81

accent

#D14DDA

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3941AF

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

Preview Lab → · Contrast checker → · Palette generator →