#3628B0#3628B0

#3628B0 is a dark, highly saturated blue. Relative luminance 0.054; OKLCH L 40.0% C 0.202 H 276.7°. Best body text is #FFFFFF at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#3628B0
RGB	rgb(54, 40, 176)
HSL	hsl(246, 63%, 42%)
HSV	hsv(246, 77%, 69%)
CMYK	cmyk(69.3%, 77.3%, 0%, 31%)
CIE-LAB	lab(27.94, 47.53, -69.34)
CIE-LCH	lch(27.94, 84.07, 304.43°)
OKLab	oklab(39.96% 0.0236 -0.2004)
OKLCH	oklch(39.96% 0.202 276.7)
XYZ	xyz(10.1140, 5.4355, 41.5820)
Luminance	0.0544 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3628B0 #A2B028

analogous

#285EB0 #3628B0 #7A28B0

triadic

#3628B0 #B03628 #28B036

tetradic

#3628B0 #B0285E #A2B028 #28B07A

square

#3628B0 #B0285E #A2B028 #28B07A

split-complementary

#3628B0 #B07A28 #5EB028

monochromatic

#17114C #271D7E #3628B0 #5041D4 #7E73DF

Accessibility & contrast

On white

10.06

#3628B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#3628B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3628B0

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3628B0	#FFFFFF	#000000	##FFFFFF
##3628B0	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)

#0048B4

Deuteranopia (green-blind)

#003CAE

Tritanopia (blue-blind)

#00506B

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3628b0;
/* rgb */ color: rgb(54, 40, 176);
/* oklch */ color: oklch(40.0% 0.202 276.7);

Tailwind

colors: {
  custom: {
    50: '#7f65c9',
    500: '#3628b0',
    950: '#000000',
  },
}

SCSS

$custom: #3628b0;
$custom-light: #7f65c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3628b0",
  "rgb": {
    "r": 54,
    "g": 40,
    "b": 176
  },
  "hsl": {
    "h": 246.176,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.39963,
    "c": 0.2018,
    "h": 276.7
  },
  "luminance": 0.05436
}

Semantic roles & 50–950 ramp

primary

#3628B0

secondary

#BDC66D

accent

#E642D5

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3628B0

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

Preview Lab → · Contrast checker → · Palette generator →