#3636BB#3636BB

#3636BB is a dark, highly saturated blue. Relative luminance 0.070; OKLCH L 43.1% C 0.201 H 274.0°. Best body text is #FFFFFF at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#3636BB
RGB	rgb(54, 54, 187)
HSL	hsl(240, 55%, 47%)
HSV	hsv(240, 71%, 73%)
CMYK	cmyk(71.1%, 71.1%, 0%, 26.7%)
CIE-LAB	lab(31.83, 43.33, -69.47)
CIE-LCH	lch(31.83, 81.87, 301.95°)
OKLab	oklab(43.06% 0.0139 -0.2009)
OKLCH	oklch(43.06% 0.201 274)
XYZ	xyz(11.8071, 7.0093, 47.7348)
Luminance	0.0701 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3636BB #BBBB36

analogous

#3679BB #3636BB #7936BB

triadic

#3636BB #BB3636 #36BB36

tetradic

#3636BB #BB3679 #BBBB36 #36BB79

square

#3636BB #BB3679 #BBBB36 #36BB79

split-complementary

#3636BB #BB7936 #79BB36

monochromatic

#1B1B5C #28288C #3636BB #5E5ED0 #8D8DDE

Accessibility & contrast

On white

8.74

#3636BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#3636BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3636BB

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3636BB	#FFFFFF	#000000	##FFFFFF
##3636BB	1.00	8.74	2.40	8.74
#FFFFFF	8.74	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051BF

Deuteranopia (green-blind)

#0045B9

Tritanopia (blue-blind)

#005B75

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3636bb;
/* rgb */ color: rgb(54, 54, 187);
/* oklch */ color: oklch(43.1% 0.201 274.0);

Tailwind

colors: {
  custom: {
    50: '#806ed1',
    500: '#3636bb',
    950: '#000000',
  },
}

SCSS

$custom: #3636bb;
$custom-light: #806ed1;
$custom-dark: #000000;

JSON

{
  "hex": "#3636bb",
  "rgb": {
    "r": 54,
    "g": 54,
    "b": 187
  },
  "hsl": {
    "h": 240,
    "s": 55.187,
    "l": 47.255
  },
  "oklch": {
    "l": 0.43055,
    "c": 0.20136,
    "h": 274
  },
  "luminance": 0.0701
}

Semantic roles & 50–950 ramp

primary

#3636BB

secondary

#C9C984

accent

#DF49DF

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3636BB

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

Preview Lab → · Contrast checker → · Palette generator →