#3628AB#3628AB

#3628AB is a dark, vivid blue. Relative luminance 0.052; OKLCH L 39.4% C 0.196 H 277.3°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#3628AB
RGB	rgb(54, 40, 171)
HSL	hsl(246, 62%, 41%)
HSV	hsv(246, 77%, 67%)
CMYK	cmyk(68.4%, 76.6%, 0%, 32.9%)
CIE-LAB	lab(27.41, 45.96, -67.22)
CIE-LCH	lch(27.41, 81.43, 304.36°)
OKLab	oklab(39.43% 0.0248 -0.1942)
OKLCH	oklch(39.43% 0.196 277.3)
XYZ	xyz(9.6284, 5.2413, 39.0244)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3628AB #9DAB28

analogous

#285CAB #3628AB #7828AB

triadic

#3628AB #AB3628 #28AB36

tetradic

#3628AB #AB285C #9DAB28 #28AB78

square

#3628AB #AB285C #9DAB28 #28AB78

split-complementary

#3628AB #AB7828 #5CAB28

monochromatic

#171148 #261C79 #3628AB #4E3ED2 #7C70DE

Accessibility & contrast

On white

10.25

#3628AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#3628AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3628AB

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3628AB	#FFFFFF	#000000	##FFFFFF
##3628AB	1.00	10.25	2.05	10.25
#FFFFFF	10.25	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046AF

Deuteranopia (green-blind)

#003BA9

Tritanopia (blue-blind)

#004E68

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3628ab;
/* rgb */ color: rgb(54, 40, 171);
/* oklch */ color: oklch(39.4% 0.196 277.3);

Tailwind

colors: {
  custom: {
    50: '#7e65c5',
    500: '#3628ab',
    950: '#000000',
  },
}

SCSS

$custom: #3628ab;
$custom-light: #7e65c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3628ab",
  "rgb": {
    "r": 54,
    "g": 40,
    "b": 171
  },
  "hsl": {
    "h": 246.412,
    "s": 62.085,
    "l": 41.373
  },
  "oklch": {
    "l": 0.39434,
    "c": 0.1958,
    "h": 277.3
  },
  "luminance": 0.05242
}

Semantic roles & 50–950 ramp

primary

#3628AB

secondary

#BBC46A

accent

#E543D4

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3628AB

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

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