#3727AE#3727AE

#3727AE is a dark, highly saturated blue. Relative luminance 0.053; OKLCH L 39.7% C 0.200 H 277.5°. Best body text is #FFFFFF at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#3727AE
RGB	rgb(55, 39, 174)
HSL	hsl(247, 63%, 42%)
HSV	hsv(247, 78%, 68%)
CMYK	cmyk(68.4%, 77.6%, 0%, 31.8%)
CIE-LAB	lab(27.62, 47.53, -68.67)
CIE-LCH	lch(27.62, 83.51, 304.69°)
OKLab	oklab(39.7% 0.026 -0.1984)
OKLCH	oklch(39.7% 0.2 277.5)
XYZ	xyz(9.9386, 5.3184, 40.5390)
Luminance	0.0532 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3727AE #9EAE27

analogous

#275BAE #3727AE #7B27AE

triadic

#3727AE #AE3727 #27AE37

tetradic

#3727AE #AE275B #9EAE27 #27AE7B

square

#3727AE #AE275B #9EAE27 #27AE7B

split-complementary

#3727AE #AE7B27 #5BAE27

monochromatic

#17114A #271C7C #3727AE #503ED4 #7D70DF

Accessibility & contrast

On white

10.18

#3727AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#3727AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3727AE

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3727AE	#FFFFFF	#000000	##FFFFFF
##3727AE	1.00	10.18	2.06	10.18
#FFFFFF	10.18	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B2

Deuteranopia (green-blind)

#003BAC

Tritanopia (blue-blind)

#004F6A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3727ae;
/* rgb */ color: rgb(55, 39, 174);
/* oklch */ color: oklch(39.7% 0.200 277.5);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#3727ae",
  "rgb": {
    "r": 55,
    "g": 39,
    "b": 174
  },
  "hsl": {
    "h": 247.111,
    "s": 63.38,
    "l": 41.765
  },
  "oklch": {
    "l": 0.39696,
    "c": 0.2001,
    "h": 277.5
  },
  "luminance": 0.05319
}

Semantic roles & 50–950 ramp

primary

#3727AE

secondary

#BBC66B

accent

#E641D3

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3727AE

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

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