#3B409F#3B409F

#3B409F is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.5% C 0.151 H 275.6°. Best body text is #FFFFFF at 8.68:1 contrast (WCAG AA passes).

Color values

HEX	#3B409F
RGB	rgb(59, 64, 159)
HSL	hsl(237, 46%, 43%)
HSV	hsv(237, 63%, 62%)
CMYK	cmyk(62.9%, 59.7%, 0%, 37.6%)
CIE-LAB	lab(32.03, 28.17, -52.40)
CIE-LCH	lch(32.03, 59.49, 298.26°)
OKLab	oklab(42.53% 0.0148 -0.1507)
OKLCH	oklch(42.53% 0.151 275.6)
XYZ	xyz(9.8930, 7.0990, 33.6431)
Luminance	0.0710 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B409F #9F9A3B

analogous

#3B729F #3B409F #683B9F

triadic

#3B409F #9F3B40 #409F3B

tetradic

#3B409F #9F3B72 #9F9A3B #3B9F68

square

#3B409F #9F3B72 #9F9A3B #3B9F68

split-complementary

#3B409F #9F683B #729F3B

monochromatic

#1A1C46 #2A2E72 #3B409F #575CC1 #8387D1

Accessibility & contrast

On white

8.68

#3B409F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#3B409F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B409F

8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B409F	#FFFFFF	#000000	##FFFFFF
##3B409F	1.00	8.68	2.42	8.68
#FFFFFF	8.68	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A2

Deuteranopia (green-blind)

#00479D

Tritanopia (blue-blind)

#005769

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3b409f;
/* rgb */ color: rgb(59, 64, 159);
/* oklch */ color: oklch(42.5% 0.151 275.6);

Tailwind

colors: {
  custom: {
    50: '#7c75bc',
    500: '#3b409f',
    950: '#000000',
  },
}

SCSS

$custom: #3b409f;
$custom-light: #7c75bc;
$custom-dark: #000000;

JSON

{
  "hex": "#3b409f",
  "rgb": {
    "r": 59,
    "g": 64,
    "b": 159
  },
  "hsl": {
    "h": 237,
    "s": 45.872,
    "l": 42.745
  },
  "oklch": {
    "l": 0.42533,
    "c": 0.1514,
    "h": 275.6
  },
  "luminance": 0.071
}

Semantic roles & 50–950 ramp

primary

#3B409F

secondary

#BBB87B

accent

#CF52D6

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #3B409F

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

Preview Lab → · Contrast checker → · Palette generator →