#3941A1#3941A1

#3941A1 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.8% C 0.153 H 274.3°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#3941A1
RGB	rgb(57, 65, 161)
HSL	hsl(235, 48%, 43%)
HSV	hsv(235, 65%, 63%)
CMYK	cmyk(64.6%, 59.6%, 0%, 36.9%)
CIE-LAB	lab(32.31, 27.88, -53.16)
CIE-LCH	lch(32.31, 60.03, 297.68°)
OKLab	oklab(42.75% 0.0115 -0.153)
OKLCH	oklch(42.75% 0.153 274.3)
XYZ	xyz(10.0085, 7.2228, 34.5780)
Luminance	0.0722 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3941A1 #A19939

analogous

#3975A1 #3941A1 #6539A1

triadic

#3941A1 #A13941 #41A139

tetradic

#3941A1 #A13975 #A19939 #39A165

square

#3941A1 #A13975 #A19939 #39A165

split-complementary

#3941A1 #A16539 #75A139

monochromatic

#191D47 #292F74 #3941A1 #555DC3 #8288D3

Accessibility & contrast

On white

8.59

#3941A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#3941A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3941A1

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3941A1	#FFFFFF	#000000	##FFFFFF
##3941A1	1.00	8.59	2.44	8.59
#FFFFFF	8.59	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A4

Deuteranopia (green-blind)

#00489F

Tritanopia (blue-blind)

#00586A

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3941a1;
/* rgb */ color: rgb(57, 65, 161);
/* oklch */ color: oklch(42.8% 0.153 274.3);

Tailwind

colors: {
  custom: {
    50: '#7b75be',
    500: '#3941a1',
    950: '#000000',
  },
}

SCSS

$custom: #3941a1;
$custom-light: #7b75be;
$custom-dark: #000000;

JSON

{
  "hex": "#3941a1",
  "rgb": {
    "r": 57,
    "g": 65,
    "b": 161
  },
  "hsl": {
    "h": 235.385,
    "s": 47.706,
    "l": 42.745
  },
  "oklch": {
    "l": 0.42753,
    "c": 0.15339,
    "h": 274.3
  },
  "luminance": 0.07224
}

Semantic roles & 50–950 ramp

primary

#3941A1

secondary

#BCB779

accent

#CD50D7

background

#F8F7FB

surface

#EFEDF7

border

#CAC8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #3941A1

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

Preview Lab → · Contrast checker → · Palette generator →