#3628BB#3628BB

#3628BB is a dark, highly saturated blue. Relative luminance 0.059; OKLCH L 41.1% C 0.215 H 275.6°. Best body text is #FFFFFF at 9.64:1 contrast (WCAG AA passes).

Color values

HEX	#3628BB
RGB	rgb(54, 40, 187)
HSL	hsl(246, 65%, 45%)
HSV	hsv(246, 79%, 73%)
CMYK	cmyk(71.1%, 78.6%, 0%, 26.7%)
CIE-LAB	lab(29.13, 50.95, -73.93)
CIE-LCH	lch(29.13, 89.78, 304.57°)
OKLab	oklab(41.15% 0.0209 -0.2137)
OKLCH	oklch(41.15% 0.215 275.6)
XYZ	xyz(11.2468, 5.8886, 47.5480)
Luminance	0.0589 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3628BB #ADBB28

analogous

#2864BB #3628BB #7F28BB

triadic

#3628BB #BB3628 #28BB36

tetradic

#3628BB #BB2864 #ADBB28 #28BB7F

square

#3628BB #BB2864 #ADBB28 #28BB7F

split-complementary

#3628BB #BB7F28 #64BB28

monochromatic

#191256 #271D89 #3628BB #5648D8 #857BE3

Accessibility & contrast

On white

9.64

#3628BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#3628BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3628BB

9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3628BB	#FFFFFF	#000000	##FFFFFF
##3628BB	1.00	9.64	2.18	9.64
#FFFFFF	9.64	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BBF

Deuteranopia (green-blind)

#003EB8

Tritanopia (blue-blind)

#005571

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3628bb;
/* rgb */ color: rgb(54, 40, 187);
/* oklch */ color: oklch(41.1% 0.215 275.6);

Tailwind

colors: {
  custom: {
    50: '#8266d1',
    500: '#3628bb',
    950: '#000000',
  },
}

SCSS

$custom: #3628bb;
$custom-light: #8266d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3628bb",
  "rgb": {
    "r": 54,
    "g": 40,
    "b": 187
  },
  "hsl": {
    "h": 245.714,
    "s": 64.758,
    "l": 44.51
  },
  "oklch": {
    "l": 0.41145,
    "c": 0.21476,
    "h": 275.6
  },
  "luminance": 0.0589
}

Semantic roles & 50–950 ramp

primary

#3628BB

secondary

#C2CB74

accent

#E840D8

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0614

muted

#7D7A83

Preview Lab

Preview with #3628BB

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

Preview Lab → · Contrast checker → · Palette generator →