#3927BA#3927BA

#3927BA is a dark, highly saturated blue. Relative luminance 0.059; OKLCH L 41.1% C 0.214 H 276.9°. Best body text is #FFFFFF at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#3927BA
RGB	rgb(57, 39, 186)
HSL	hsl(247, 65%, 44%)
HSV	hsv(247, 79%, 73%)
CMYK	cmyk(69.4%, 79%, 0%, 27.1%)
CIE-LAB	lab(29.07, 51.40, -73.43)
CIE-LCH	lch(29.07, 89.63, 304.99°)
OKLab	oklab(41.13% 0.0257 -0.2122)
OKLCH	oklch(41.13% 0.214 276.9)
XYZ	xyz(11.2729, 5.8650, 46.9828)
Luminance	0.0587 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3927BA #A8BA27

analogous

#275FBA #3927BA #8327BA

triadic

#3927BA #BA3927 #27BA39

tetradic

#3927BA #BA275F #A8BA27 #27BA83

square

#3927BA #BA275F #A8BA27 #27BA83

split-complementary

#3927BA #BA8327 #5FBA27

monochromatic

#1A1255 #291C87 #3927BA #5846D8 #8679E3

Accessibility & contrast

On white

9.66

#3927BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#3927BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3927BA

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3927BA	#FFFFFF	#000000	##FFFFFF
##3927BA	1.00	9.66	2.17	9.66
#FFFFFF	9.66	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004ABE

Deuteranopia (green-blind)

#003EB7

Tritanopia (blue-blind)

#005470

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3927ba;
/* rgb */ color: rgb(57, 39, 186);
/* oklch */ color: oklch(41.1% 0.214 276.9);

Tailwind

colors: {
  custom: {
    50: '#8365d0',
    500: '#3927ba',
    950: '#000000',
  },
}

SCSS

$custom: #3927ba;
$custom-light: #8365d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3927ba",
  "rgb": {
    "r": 57,
    "g": 39,
    "b": 186
  },
  "hsl": {
    "h": 247.347,
    "s": 65.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.41128,
    "c": 0.21374,
    "h": 276.9
  },
  "luminance": 0.05866
}

Semantic roles & 50–950 ramp

primary

#3927BA

secondary

#C0CB72

accent

#E840D4

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0614

muted

#7D7A83

Preview Lab

Preview with #3927BA

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

Preview Lab → · Contrast checker → · Palette generator →