#3636B7#3636B7

#3636B7 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.7% C 0.196 H 274.2°. Best body text is #FFFFFF at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#3636B7
RGB	rgb(54, 54, 183)
HSL	hsl(240, 54%, 46%)
HSV	hsv(240, 70%, 72%)
CMYK	cmyk(70.5%, 70.5%, 0%, 28.2%)
CIE-LAB	lab(31.44, 41.99, -67.74)
CIE-LCH	lch(31.44, 79.70, 301.79°)
OKLab	oklab(42.66% 0.0145 -0.1958)
OKLCH	oklch(42.66% 0.196 274.2)
XYZ	xyz(11.3849, 6.8404, 45.5109)
Luminance	0.0684 (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

#3636B7 #B7B736

analogous

#3677B7 #3636B7 #7736B7

triadic

#3636B7 #B73636 #36B736

tetradic

#3636B7 #B73677 #B7B736 #36B777

square

#3636B7 #B73677 #B7B736 #36B777

split-complementary

#3636B7 #B77736 #77B736

monochromatic

#1A1A58 #282888 #3636B7 #5B5BCF #8B8BDD

Accessibility & contrast

On white

8.87

#3636B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#3636B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3636B7

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3636B7	#FFFFFF	#000000	##FFFFFF
##3636B7	1.00	8.87	2.37	8.87
#FFFFFF	8.87	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050BB

Deuteranopia (green-blind)

#0044B5

Tritanopia (blue-blind)

#005A72

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3636b7;
/* rgb */ color: rgb(54, 54, 183);
/* oklch */ color: oklch(42.7% 0.196 274.2);

Tailwind

colors: {
  custom: {
    50: '#7f6ece',
    500: '#3636b7',
    950: '#000000',
  },
}

SCSS

$custom: #3636b7;
$custom-light: #7f6ece;
$custom-dark: #000000;

JSON

{
  "hex": "#3636b7",
  "rgb": {
    "r": 54,
    "g": 54,
    "b": 183
  },
  "hsl": {
    "h": 240,
    "s": 54.43,
    "l": 46.471
  },
  "oklch": {
    "l": 0.4266,
    "c": 0.19636,
    "h": 274.2
  },
  "luminance": 0.06842
}

Semantic roles & 50–950 ramp

primary

#3636B7

secondary

#C7C782

accent

#DE4ADE

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3636B7

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

Preview Lab → · Contrast checker → · Palette generator →