#3727BA#3727BA

#3727BA is a dark, highly saturated blue. Relative luminance 0.058; OKLCH L 41.0% C 0.214 H 276.1°. Best body text is #FFFFFF at 9.72:1 contrast (WCAG AA passes).

Color values

HEX	#3727BA
RGB	rgb(55, 39, 186)
HSL	hsl(247, 65%, 44%)
HSV	hsv(247, 79%, 73%)
CMYK	cmyk(70.4%, 79%, 0%, 27.1%)
CIE-LAB	lab(28.92, 51.22, -73.68)
CIE-LCH	lch(28.92, 89.73, 304.81°)
OKLab	oklab(40.99% 0.0229 -0.213)
OKLCH	oklch(40.99% 0.214 276.1)
XYZ	xyz(11.1611, 5.8074, 46.9776)
Luminance	0.0581 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3727BA #AABA27

analogous

#2760BA #3727BA #8127BA

triadic

#3727BA #BA3727 #27BA37

tetradic

#3727BA #BA2760 #AABA27 #27BA81

square

#3727BA #BA2760 #AABA27 #27BA81

split-complementary

#3727BA #BA8127 #60BA27

monochromatic

#191255 #281C87 #3727BA #5646D8 #8479E3

Accessibility & contrast

On white

9.72

#3727BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#3727BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3727BA

9.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3727BA	#FFFFFF	#000000	##FFFFFF
##3727BA	1.00	9.72	2.16	9.72
#FFFFFF	9.72	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004ABE

Deuteranopia (green-blind)

#003EB7

Tritanopia (blue-blind)

#005470

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #3727ba;
/* rgb */ color: rgb(55, 39, 186);
/* oklch */ color: oklch(41.0% 0.214 276.1);

Tailwind

colors: {
  custom: {
    50: '#8265d0',
    500: '#3727ba',
    950: '#000000',
  },
}

SCSS

$custom: #3727ba;
$custom-light: #8265d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3727ba",
  "rgb": {
    "r": 55,
    "g": 39,
    "b": 186
  },
  "hsl": {
    "h": 246.531,
    "s": 65.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.40986,
    "c": 0.2142,
    "h": 276.1
  },
  "luminance": 0.05808
}

Semantic roles & 50–950 ramp

primary

#3727BA

secondary

#C1CB72

accent

#E840D6

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0614

muted

#7D7A83

Preview Lab

Preview with #3727BA

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

Preview Lab → · Contrast checker → · Palette generator →