#3B28AB#3B28AB

#3B28AB is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.8% C 0.195 H 279.4°. Best body text is #FFFFFF at 10.11:1 contrast (WCAG AA passes).

Color values

HEX	#3B28AB
RGB	rgb(59, 40, 171)
HSL	hsl(249, 62%, 41%)
HSV	hsv(249, 77%, 67%)
CMYK	cmyk(65.5%, 76.6%, 0%, 32.9%)
CIE-LAB	lab(27.81, 46.50, -66.55)
CIE-LCH	lch(27.81, 81.19, 304.95°)
OKLab	oklab(39.82% 0.0318 -0.1921)
OKLCH	oklch(39.82% 0.195 279.4)
XYZ	xyz(9.9108, 5.3869, 39.0377)
Luminance	0.0539 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B28AB #98AB28

analogous

#2857AB #3B28AB #7D28AB

triadic

#3B28AB #AB3B28 #28AB3B

tetradic

#3B28AB #AB2857 #98AB28 #28AB7D

square

#3B28AB #AB2857 #98AB28 #28AB7D

split-complementary

#3B28AB #AB7D28 #57AB28

monochromatic

#191148 #2A1C79 #3B28AB #543ED2 #8070DE

Accessibility & contrast

On white

10.11

#3B28AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#3B28AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B28AB

10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B28AB	#FFFFFF	#000000	##FFFFFF
##3B28AB	1.00	10.11	2.08	10.11
#FFFFFF	10.11	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046AF

Deuteranopia (green-blind)

#003CA9

Tritanopia (blue-blind)

#004E68

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3b28ab;
/* rgb */ color: rgb(59, 40, 171);
/* oklch */ color: oklch(39.8% 0.195 279.4);

Tailwind

colors: {
  custom: {
    50: '#8065c5',
    500: '#3b28ab',
    950: '#000000',
  },
}

SCSS

$custom: #3b28ab;
$custom-light: #8065c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3b28ab",
  "rgb": {
    "r": 59,
    "g": 40,
    "b": 171
  },
  "hsl": {
    "h": 248.702,
    "s": 62.085,
    "l": 41.373
  },
  "oklch": {
    "l": 0.39815,
    "c": 0.19474,
    "h": 279.4
  },
  "luminance": 0.05388
}

Semantic roles & 50–950 ramp

primary

#3B28AB

secondary

#B7C46A

accent

#E543CE

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3B28AB

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

Preview Lab → · Contrast checker → · Palette generator →