#3732B9#3732B9

#3732B9 is a dark, highly saturated blue. Relative luminance 0.066; OKLCH L 42.3% C 0.203 H 275.0°. Best body text is #FFFFFF at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#3732B9
RGB	rgb(55, 50, 185)
HSL	hsl(242, 57%, 46%)
HSV	hsv(242, 73%, 73%)
CMYK	cmyk(70.3%, 73%, 0%, 27.5%)
CIE-LAB	lab(30.87, 45.07, -69.87)
CIE-LCH	lch(30.87, 83.15, 302.83°)
OKLab	oklab(42.33% 0.0177 -0.202)
OKLCH	oklch(42.33% 0.203 275)
XYZ	xyz(11.4702, 6.5951, 46.5580)
Luminance	0.0660 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 3.87

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3732B9 #B4B932

analogous

#3270B9 #3732B9 #7A32B9

triadic

#3732B9 #B93732 #32B937

tetradic

#3732B9 #B93270 #B4B932 #32B97A

square

#3732B9 #B93270 #B4B932 #32B97A

split-complementary

#3732B9 #B97A32 #70B932

monochromatic

#1A1859 #292589 #3732B9 #5B57D2 #8A87DF

Accessibility & contrast

On white

9.05

#3732B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#3732B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3732B9

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3732B9	#FFFFFF	#000000	##FFFFFF
##3732B9	1.00	9.05	2.32	9.05
#FFFFFF	9.05	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FBD

Deuteranopia (green-blind)

#0042B7

Tritanopia (blue-blind)

#005872

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3732b9;
/* rgb */ color: rgb(55, 50, 185);
/* oklch */ color: oklch(42.3% 0.203 275.0);

Tailwind

colors: {
  custom: {
    50: '#816ccf',
    500: '#3732b9',
    950: '#000000',
  },
}

SCSS

$custom: #3732b9;
$custom-light: #816ccf;
$custom-dark: #000000;

JSON

{
  "hex": "#3732b9",
  "rgb": {
    "r": 55,
    "g": 50,
    "b": 185
  },
  "hsl": {
    "h": 242.222,
    "s": 57.447,
    "l": 46.078
  },
  "oklch": {
    "l": 0.42326,
    "c": 0.20277,
    "h": 275
  },
  "luminance": 0.06596
}

Semantic roles & 50–950 ramp

primary

#3732B9

secondary

#C6C87F

accent

#E147DB

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3732B9

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

Preview Lab → · Contrast checker → · Palette generator →