#3727AD#3727AD

#3727AD is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.6% C 0.199 H 277.6°. Best body text is #FFFFFF at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#3727AD
RGB	rgb(55, 39, 173)
HSL	hsl(247, 63%, 42%)
HSV	hsv(247, 77%, 68%)
CMYK	cmyk(68.2%, 77.5%, 0%, 32.2%)
CIE-LAB	lab(27.52, 47.22, -68.24)
CIE-LCH	lch(27.52, 82.99, 304.68°)
OKLab	oklab(39.59% 0.0262 -0.1972)
OKLCH	oklch(39.59% 0.199 277.6)
XYZ	xyz(9.8414, 5.2795, 40.0275)
Luminance	0.0528 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3727AD #9DAD27

analogous

#275AAD #3727AD #7A27AD

triadic

#3727AD #AD3727 #27AD37

tetradic

#3727AD #AD275A #9DAD27 #27AD7A

square

#3727AD #AD275A #9DAD27 #27AD7A

split-complementary

#3727AD #AD7A27 #5AAD27

monochromatic

#171049 #271C7B #3727AD #503ED3 #7D70DF

Accessibility & contrast

On white

10.21

#3727AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#3727AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3727AD

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3727AD	#FFFFFF	#000000	##FFFFFF
##3727AD	1.00	10.21	2.06	10.21
#FFFFFF	10.21	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046B1

Deuteranopia (green-blind)

#003BAB

Tritanopia (blue-blind)

#004F69

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3727ad;
/* rgb */ color: rgb(55, 39, 173);
/* oklch */ color: oklch(39.6% 0.199 277.6);

Tailwind

colors: {
  custom: {
    50: '#7f64c7',
    500: '#3727ad',
    950: '#000000',
  },
}

SCSS

$custom: #3727ad;
$custom-light: #7f64c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3727ad",
  "rgb": {
    "r": 55,
    "g": 39,
    "b": 173
  },
  "hsl": {
    "h": 247.164,
    "s": 63.208,
    "l": 41.569
  },
  "oklch": {
    "l": 0.3959,
    "c": 0.19891,
    "h": 277.6
  },
  "luminance": 0.0528
}

Semantic roles & 50–950 ramp

primary

#3727AD

secondary

#BBC66A

accent

#E642D3

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3727AD

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

Preview Lab → · Contrast checker → · Palette generator →