#3927BC#3927BC

#3927BC is a dark, highly saturated blue. Relative luminance 0.060; OKLCH L 41.3% C 0.216 H 276.7°. Best body text is #FFFFFF at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#3927BC
RGB	rgb(57, 39, 188)
HSL	hsl(247, 66%, 45%)
HSV	hsv(247, 79%, 74%)
CMYK	cmyk(69.7%, 79.3%, 0%, 26.3%)
CIE-LAB	lab(29.29, 52.00, -74.25)
CIE-LCH	lch(29.29, 90.65, 305.01°)
OKLab	oklab(41.34% 0.0251 -0.2146)
OKLCH	oklch(41.34% 0.216 276.7)
XYZ	xyz(11.4870, 5.9507, 48.1104)
Luminance	0.0595 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3927BC #AABC27

analogous

#2760BC #3927BC #8327BC

triadic

#3927BC #BC3927 #27BC39

tetradic

#3927BC #BC2760 #AABC27 #27BC83

square

#3927BC #BC2760 #AABC27 #27BC83

split-complementary

#3927BC #BC8327 #60BC27

monochromatic

#1A1257 #2A1C89 #3927BC #5947D9 #877AE3

Accessibility & contrast

On white

9.59

#3927BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#3927BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3927BC

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3927BC	#FFFFFF	#000000	##FFFFFF
##3927BC	1.00	9.59	2.19	9.59
#FFFFFF	9.59	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BC0

Deuteranopia (green-blind)

#003FB9

Tritanopia (blue-blind)

#005572

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3927bc;
/* rgb */ color: rgb(57, 39, 188);
/* oklch */ color: oklch(41.3% 0.216 276.7);

Tailwind

colors: {
  custom: {
    50: '#8365d2',
    500: '#3927bc',
    950: '#000000',
  },
}

SCSS

$custom: #3927bc;
$custom-light: #8365d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3927bc",
  "rgb": {
    "r": 57,
    "g": 39,
    "b": 188
  },
  "hsl": {
    "h": 247.248,
    "s": 65.639,
    "l": 44.51
  },
  "oklch": {
    "l": 0.41344,
    "c": 0.21606,
    "h": 276.7
  },
  "luminance": 0.05952
}

Semantic roles & 50–950 ramp

primary

#3927BC

secondary

#C1CB73

accent

#E93FD4

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0614

muted

#7D7A83

Preview Lab

Preview with #3927BC

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

Preview Lab → · Contrast checker → · Palette generator →