#3636B8#3636B8

#3636B8 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.8% C 0.198 H 274.2°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#3636B8
RGB	rgb(54, 54, 184)
HSL	hsl(240, 55%, 47%)
HSV	hsv(240, 71%, 72%)
CMYK	cmyk(70.7%, 70.7%, 0%, 27.8%)
CIE-LAB	lab(31.54, 42.32, -68.18)
CIE-LCH	lch(31.54, 80.24, 301.83°)
OKLab	oklab(42.76% 0.0143 -0.1971)
OKLCH	oklch(42.76% 0.198 274.2)
XYZ	xyz(11.4893, 6.8822, 46.0610)
Luminance	0.0688 (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

#3636B8 #B8B836

analogous

#3677B8 #3636B8 #7736B8

triadic

#3636B8 #B83636 #36B836

tetradic

#3636B8 #B83677 #B8B836 #36B877

square

#3636B8 #B83677 #B8B836 #36B877

split-complementary

#3636B8 #B87736 #77B836

monochromatic

#1A1A59 #282889 #3636B8 #5C5CCF #8B8BDD

Accessibility & contrast

On white

8.84

#3636B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#3636B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3636B8

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3636B8	#FFFFFF	#000000	##FFFFFF
##3636B8	1.00	8.84	2.38	8.84
#FFFFFF	8.84	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050BC

Deuteranopia (green-blind)

#0044B6

Tritanopia (blue-blind)

#005A73

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3636b8;
/* rgb */ color: rgb(54, 54, 184);
/* oklch */ color: oklch(42.8% 0.198 274.2);

Tailwind

colors: {
  custom: {
    50: '#806ece',
    500: '#3636b8',
    950: '#000000',
  },
}

SCSS

$custom: #3636b8;
$custom-light: #806ece;
$custom-dark: #000000;

JSON

{
  "hex": "#3636b8",
  "rgb": {
    "r": 54,
    "g": 54,
    "b": 184
  },
  "hsl": {
    "h": 240,
    "s": 54.622,
    "l": 46.667
  },
  "oklch": {
    "l": 0.42758,
    "c": 0.19762,
    "h": 274.2
  },
  "luminance": 0.06883
}

Semantic roles & 50–950 ramp

primary

#3636B8

secondary

#C7C782

accent

#DE4ADE

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3636B8

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

Preview Lab → · Contrast checker → · Palette generator →