#3732BC#3732BC

#3732BC is a dark, highly saturated blue. Relative luminance 0.067; OKLCH L 42.6% C 0.206 H 274.8°. Best body text is #FFFFFF at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#3732BC
RGB	rgb(55, 50, 188)
HSL	hsl(242, 58%, 47%)
HSV	hsv(242, 73%, 74%)
CMYK	cmyk(70.7%, 73.4%, 0%, 26.3%)
CIE-LAB	lab(31.17, 46.05, -71.15)
CIE-LCH	lch(31.17, 84.75, 302.91°)
OKLab	oklab(42.63% 0.0171 -0.2057)
OKLCH	oklch(42.63% 0.206 274.8)
XYZ	xyz(11.7902, 6.7231, 48.2435)
Luminance	0.0672 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 4.11

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3732BC #B7BC32

analogous

#3272BC #3732BC #7C32BC

triadic

#3732BC #BC3732 #32BC37

tetradic

#3732BC #BC3272 #B7BC32 #32BC7C

square

#3732BC #BC3272 #B7BC32 #32BC7C

split-complementary

#3732BC #BC7C32 #72BC32

monochromatic

#1B185B #29258C #3732BC #5D58D3 #8C89E0

Accessibility & contrast

On white

8.96

#3732BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#3732BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3732BC

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3732BC	#FFFFFF	#000000	##FFFFFF
##3732BC	1.00	8.96	2.34	8.96
#FFFFFF	8.96	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050C0

Deuteranopia (green-blind)

#0043BA

Tritanopia (blue-blind)

#005974

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3732bc;
/* rgb */ color: rgb(55, 50, 188);
/* oklch */ color: oklch(42.6% 0.206 274.8);

Tailwind

colors: {
  custom: {
    50: '#816cd1',
    500: '#3732bc',
    950: '#000000',
  },
}

SCSS

$custom: #3732bc;
$custom-light: #816cd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3732bc",
  "rgb": {
    "r": 55,
    "g": 50,
    "b": 188
  },
  "hsl": {
    "h": 242.174,
    "s": 57.983,
    "l": 46.667
  },
  "oklch": {
    "l": 0.4263,
    "c": 0.20643,
    "h": 274.8
  },
  "luminance": 0.06724
}

Semantic roles & 50–950 ramp

primary

#3732BC

secondary

#C7C980

accent

#E147DC

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3732BC

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

Preview Lab → · Contrast checker → · Palette generator →