#3727BC#3727BC

#3727BC is a dark, highly saturated blue. Relative luminance 0.059; OKLCH L 41.2% C 0.217 H 275.9°. Best body text is #FFFFFF at 9.64:1 contrast (WCAG AA passes).

Color values

HEX	#3727BC
RGB	rgb(55, 39, 188)
HSL	hsl(246, 66%, 45%)
HSV	hsv(246, 79%, 74%)
CMYK	cmyk(70.7%, 79.3%, 0%, 26.3%)
CIE-LAB	lab(29.14, 51.83, -74.50)
CIE-LCH	lch(29.14, 90.75, 304.83°)
OKLab	oklab(41.2% 0.0224 -0.2154)
OKLCH	oklch(41.2% 0.217 275.9)
XYZ	xyz(11.3752, 5.8930, 48.1052)
Luminance	0.0589 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3727BC #ACBC27

analogous

#2762BC #3727BC #8227BC

triadic

#3727BC #BC3727 #27BC37

tetradic

#3727BC #BC2762 #ACBC27 #27BC82

square

#3727BC #BC2762 #ACBC27 #27BC82

split-complementary

#3727BC #BC8227 #62BC27

monochromatic

#191257 #281C89 #3727BC #5747D9 #857AE3

Accessibility & contrast

On white

9.64

#3727BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#3727BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3727BC

9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3727BC	#FFFFFF	#000000	##FFFFFF
##3727BC	1.00	9.64	2.18	9.64
#FFFFFF	9.64	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BC0

Deuteranopia (green-blind)

#003EB9

Tritanopia (blue-blind)

#005572

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3727bc;
/* rgb */ color: rgb(55, 39, 188);
/* oklch */ color: oklch(41.2% 0.217 275.9);

Tailwind

colors: {
  custom: {
    50: '#8265d2',
    500: '#3727bc',
    950: '#000000',
  },
}

SCSS

$custom: #3727bc;
$custom-light: #8265d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3727bc",
  "rgb": {
    "r": 55,
    "g": 39,
    "b": 188
  },
  "hsl": {
    "h": 246.443,
    "s": 65.639,
    "l": 44.51
  },
  "oklch": {
    "l": 0.41204,
    "c": 0.21652,
    "h": 275.9
  },
  "luminance": 0.05894
}

Semantic roles & 50–950 ramp

primary

#3727BC

secondary

#C2CB73

accent

#E93FD6

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0614

muted

#7D7A83

Preview Lab

Preview with #3727BC

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

Preview Lab → · Contrast checker → · Palette generator →