#3929AC#3929AC

#3929AC is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.9% C 0.195 H 278.3°. Best body text is #FFFFFF at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#3929AC
RGB	rgb(57, 41, 172)
HSL	hsl(247, 62%, 42%)
HSV	hsv(247, 76%, 67%)
CMYK	cmyk(66.9%, 76.2%, 0%, 32.5%)
CIE-LAB	lab(27.94, 46.07, -66.95)
CIE-LCH	lch(27.94, 81.27, 304.53°)
OKLab	oklab(39.89% 0.0282 -0.1934)
OKLCH	oklch(39.89% 0.195 278.3)
XYZ	xyz(9.9243, 5.4335, 39.5475)
Luminance	0.0543 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3929AC #9CAC29

analogous

#295BAC #3929AC #7B29AC

triadic

#3929AC #AC3929 #29AC39

tetradic

#3929AC #AC295B #9CAC29 #29AC7B

square

#3929AC #AC295B #9CAC29 #29AC7B

split-complementary

#3929AC #AC7B29 #5BAC29

monochromatic

#181149 #291D7B #3929AC #5241D2 #7F72DD

Accessibility & contrast

On white

10.06

#3929AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#3929AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3929AC

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3929AC	#FFFFFF	#000000	##FFFFFF
##3929AC	1.00	10.06	2.09	10.06
#FFFFFF	10.06	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B0

Deuteranopia (green-blind)

#003DAA

Tritanopia (blue-blind)

#004F69

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3929ac;
/* rgb */ color: rgb(57, 41, 172);
/* oklch */ color: oklch(39.9% 0.195 278.3);

Tailwind

colors: {
  custom: {
    50: '#7f66c6',
    500: '#3929ac',
    950: '#000000',
  },
}

SCSS

$custom: #3929ac;
$custom-light: #7f66c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3929ac",
  "rgb": {
    "r": 57,
    "g": 41,
    "b": 172
  },
  "hsl": {
    "h": 247.328,
    "s": 61.502,
    "l": 41.765
  },
  "oklch": {
    "l": 0.39893,
    "c": 0.1954,
    "h": 278.3
  },
  "luminance": 0.05434
}

Semantic roles & 50–950 ramp

primary

#3929AC

secondary

#BAC56C

accent

#E543D1

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3929AC

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

Preview Lab → · Contrast checker → · Palette generator →