#3732B8#3732B8

#3732B8 is a dark, highly saturated blue. Relative luminance 0.066; OKLCH L 42.2% C 0.202 H 275.1°. Best body text is #FFFFFF at 9.09:1 contrast (WCAG AA passes).

Color values

HEX	#3732B8
RGB	rgb(55, 50, 184)
HSL	hsl(242, 57%, 46%)
HSV	hsv(242, 73%, 72%)
CMYK	cmyk(70.1%, 72.8%, 0%, 27.8%)
CIE-LAB	lab(30.77, 44.75, -69.44)
CIE-LCH	lch(30.77, 82.61, 302.80°)
OKLab	oklab(42.23% 0.0179 -0.2008)
OKLCH	oklch(42.23% 0.202 275.1)
XYZ	xyz(11.3650, 6.5530, 46.0040)
Luminance	0.0655 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 3.80

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3732B8 #B3B832

analogous

#3270B8 #3732B8 #7A32B8

triadic

#3732B8 #B83732 #32B837

tetradic

#3732B8 #B83270 #B3B832 #32B87A

square

#3732B8 #B83270 #B3B832 #32B87A

split-complementary

#3732B8 #B87A32 #70B832

monochromatic

#1A1858 #292588 #3732B8 #5B56D1 #8A86DE

Accessibility & contrast

On white

9.09

#3732B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#3732B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3732B8

9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3732B8	#FFFFFF	#000000	##FFFFFF
##3732B8	1.00	9.09	2.31	9.09
#FFFFFF	9.09	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EBC

Deuteranopia (green-blind)

#0042B6

Tritanopia (blue-blind)

#005872

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3732b8;
/* rgb */ color: rgb(55, 50, 184);
/* oklch */ color: oklch(42.2% 0.202 275.1);

Tailwind

colors: {
  custom: {
    50: '#806ccf',
    500: '#3732b8',
    950: '#000000',
  },
}

SCSS

$custom: #3732b8;
$custom-light: #806ccf;
$custom-dark: #000000;

JSON

{
  "hex": "#3732b8",
  "rgb": {
    "r": 55,
    "g": 50,
    "b": 184
  },
  "hsl": {
    "h": 242.239,
    "s": 57.265,
    "l": 45.882
  },
  "oklch": {
    "l": 0.42225,
    "c": 0.20154,
    "h": 275.1
  },
  "luminance": 0.06554
}

Semantic roles & 50–950 ramp

primary

#3732B8

secondary

#C5C87E

accent

#E147DB

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3732B8

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

Preview Lab → · Contrast checker → · Palette generator →