#3A28AB#3A28AB

#3A28AB is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.7% C 0.195 H 279.0°. Best body text is #FFFFFF at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#3A28AB
RGB	rgb(58, 40, 171)
HSL	hsl(248, 62%, 41%)
HSV	hsv(248, 77%, 67%)
CMYK	cmyk(66.1%, 76.6%, 0%, 32.9%)
CIE-LAB	lab(27.73, 46.39, -66.69)
CIE-LCH	lch(27.73, 81.24, 304.83°)
OKLab	oklab(39.74% 0.0304 -0.1926)
OKLCH	oklch(39.74% 0.195 279)
XYZ	xyz(9.8520, 5.3566, 39.0349)
Luminance	0.0536 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A28AB #99AB28

analogous

#2858AB #3A28AB #7C28AB

triadic

#3A28AB #AB3A28 #28AB3A

tetradic

#3A28AB #AB2858 #99AB28 #28AB7C

square

#3A28AB #AB2858 #99AB28 #28AB7C

split-complementary

#3A28AB #AB7C28 #58AB28

monochromatic

#181148 #291C79 #3A28AB #533ED2 #7F70DE

Accessibility & contrast

On white

10.14

#3A28AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#3A28AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A28AB

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A28AB	#FFFFFF	#000000	##FFFFFF
##3A28AB	1.00	10.14	2.07	10.14
#FFFFFF	10.14	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046AF

Deuteranopia (green-blind)

#003CA9

Tritanopia (blue-blind)

#004E68

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3a28ab;
/* rgb */ color: rgb(58, 40, 171);
/* oklch */ color: oklch(39.7% 0.195 279.0);

Tailwind

colors: {
  custom: {
    50: '#8065c5',
    500: '#3a28ab',
    950: '#000000',
  },
}

SCSS

$custom: #3a28ab;
$custom-light: #8065c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3a28ab",
  "rgb": {
    "r": 58,
    "g": 40,
    "b": 171
  },
  "hsl": {
    "h": 248.244,
    "s": 62.085,
    "l": 41.373
  },
  "oklch": {
    "l": 0.39736,
    "c": 0.19495,
    "h": 279
  },
  "luminance": 0.05357
}

Semantic roles & 50–950 ramp

primary

#3A28AB

secondary

#B8C46A

accent

#E543CF

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3A28AB

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

Preview Lab → · Contrast checker → · Palette generator →