#3628A7#3628A7

#3628A7 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 39.0% C 0.191 H 277.7°. Best body text is #FFFFFF at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#3628A7
RGB	rgb(54, 40, 167)
HSL	hsl(247, 61%, 41%)
HSV	hsv(247, 76%, 65%)
CMYK	cmyk(67.7%, 76%, 0%, 34.5%)
CIE-LAB	lab(26.99, 44.70, -65.50)
CIE-LCH	lch(26.99, 79.30, 304.31°)
OKLab	oklab(39.01% 0.0258 -0.1892)
OKLCH	oklch(39.01% 0.191 277.7)
XYZ	xyz(9.2529, 5.0911, 37.0468)
Luminance	0.0509 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3628A7 #99A728

analogous

#2859A7 #3628A7 #7528A7

triadic

#3628A7 #A73628 #28A736

tetradic

#3628A7 #A72859 #99A728 #28A775

square

#3628A7 #A72859 #99A728 #28A775

split-complementary

#3628A7 #A77528 #59A728

monochromatic

#161044 #261C76 #3628A7 #4C3CD0 #7A6DDC

Accessibility & contrast

On white

10.40

#3628A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#3628A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3628A7

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3628A7	#FFFFFF	#000000	##FFFFFF
##3628A7	1.00	10.40	2.02	10.40
#FFFFFF	10.40	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045AB

Deuteranopia (green-blind)

#003AA5

Tritanopia (blue-blind)

#004D66

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #3628a7;
/* rgb */ color: rgb(54, 40, 167);
/* oklch */ color: oklch(39.0% 0.191 277.7);

Tailwind

colors: {
  custom: {
    50: '#7d65c2',
    500: '#3628a7',
    950: '#000000',
  },
}

SCSS

$custom: #3628a7;
$custom-light: #7d65c2;
$custom-dark: #000000;

JSON

{
  "hex": "#3628a7",
  "rgb": {
    "r": 54,
    "g": 40,
    "b": 167
  },
  "hsl": {
    "h": 246.614,
    "s": 61.353,
    "l": 40.588
  },
  "oklch": {
    "l": 0.39014,
    "c": 0.19095,
    "h": 277.7
  },
  "luminance": 0.05092
}

Semantic roles & 50–950 ramp

primary

#3628A7

secondary

#B9C368

accent

#E443D3

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3628A7

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

Preview Lab → · Contrast checker → · Palette generator →