#3927A7#3927A7

#3927A7 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 39.1% C 0.191 H 279.2°. Best body text is #FFFFFF at 10.38:1 contrast (WCAG AA passes).

Color values

HEX	#3927A7
RGB	rgb(57, 39, 167)
HSL	hsl(248, 62%, 40%)
HSV	hsv(248, 77%, 65%)
CMYK	cmyk(65.9%, 76.6%, 0%, 34.5%)
CIE-LAB	lab(27.05, 45.56, -65.40)
CIE-LCH	lch(27.05, 79.71, 304.86°)
OKLab	oklab(39.11% 0.0306 -0.1888)
OKLCH	oklch(39.11% 0.191 279.2)
XYZ	xyz(9.3857, 5.1102, 37.0435)
Luminance	0.0511 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3927A7 #95A727

analogous

#2755A7 #3927A7 #7927A7

triadic

#3927A7 #A73927 #27A739

tetradic

#3927A7 #A72755 #95A727 #27A779

square

#3927A7 #A72755 #95A727 #27A779

split-complementary

#3927A7 #A77927 #55A727

monochromatic

#171044 #281B75 #3927A7 #4F3AD1 #7C6CDD

Accessibility & contrast

On white

10.38

#3927A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#3927A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3927A7

10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3927A7	#FFFFFF	#000000	##FFFFFF
##3927A7	1.00	10.38	2.02	10.38
#FFFFFF	10.38	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045AB

Deuteranopia (green-blind)

#003BA5

Tritanopia (blue-blind)

#004C66

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #3927a7;
/* rgb */ color: rgb(57, 39, 167);
/* oklch */ color: oklch(39.1% 0.191 279.2);

Tailwind

colors: {
  custom: {
    50: '#7f64c2',
    500: '#3927a7',
    950: '#000000',
  },
}

SCSS

$custom: #3927a7;
$custom-light: #7f64c2;
$custom-dark: #000000;

JSON

{
  "hex": "#3927a7",
  "rgb": {
    "r": 57,
    "g": 39,
    "b": 167
  },
  "hsl": {
    "h": 248.438,
    "s": 62.136,
    "l": 40.392
  },
  "oklch": {
    "l": 0.39113,
    "c": 0.1913,
    "h": 279.2
  },
  "luminance": 0.05111
}

Semantic roles & 50–950 ramp

primary

#3927A7

secondary

#B6C367

accent

#E543CE

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3927A7

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

Preview Lab → · Contrast checker → · Palette generator →