#3727A2#3727A2

#3727A2 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.4% C 0.186 H 279.0°. Best body text is #FFFFFF at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#3727A2
RGB	rgb(55, 39, 162)
HSL	hsl(248, 61%, 39%)
HSV	hsv(248, 76%, 64%)
CMYK	cmyk(66%, 75.9%, 0%, 36.5%)
CIE-LAB	lab(26.36, 43.77, -63.50)
CIE-LCH	lch(26.36, 77.13, 304.57°)
OKLab	oklab(38.44% 0.0289 -0.1834)
OKLCH	oklch(38.44% 0.186 279)
XYZ	xyz(8.8206, 4.8712, 34.6508)
Luminance	0.0487 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3727A2 #92A227

analogous

#2755A2 #3727A2 #7527A2

triadic

#3727A2 #A23727 #27A237

tetradic

#3727A2 #A22755 #92A227 #27A275

square

#3727A2 #A22755 #92A227 #27A275

split-complementary

#3727A2 #A27527 #55A227

monochromatic

#160F3F #261B71 #3727A2 #4B37CF #7769DB

Accessibility & contrast

On white

10.64

#3727A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#3727A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3727A2

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3727A2	#FFFFFF	#000000	##FFFFFF
##3727A2	1.00	10.64	1.97	10.64
#FFFFFF	10.64	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A6

Deuteranopia (green-blind)

#0039A0

Tritanopia (blue-blind)

#004A63

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #3727a2;
/* rgb */ color: rgb(55, 39, 162);
/* oklch */ color: oklch(38.4% 0.186 279.0);

Tailwind

colors: {
  custom: {
    50: '#7d64bf',
    500: '#3727a2',
    950: '#000000',
  },
}

SCSS

$custom: #3727a2;
$custom-light: #7d64bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3727a2",
  "rgb": {
    "r": 55,
    "g": 39,
    "b": 162
  },
  "hsl": {
    "h": 247.805,
    "s": 61.194,
    "l": 39.412
  },
  "oklch": {
    "l": 0.38437,
    "c": 0.18563,
    "h": 279
  },
  "luminance": 0.04872
}

Semantic roles & 50–950 ramp

primary

#3727A2

secondary

#B5C164

accent

#E443CF

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0512

muted

#7C7A81

Preview Lab

Preview with #3727A2

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

Preview Lab → · Contrast checker → · Palette generator →