#3636C9#3636C9

#3636C9 is a dark, highly saturated blue. Relative luminance 0.076; OKLCH L 44.5% C 0.218 H 273.0°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#3636C9
RGB	rgb(54, 54, 201)
HSL	hsl(240, 58%, 50%)
HSV	hsv(240, 73%, 79%)
CMYK	cmyk(73.1%, 73.1%, 0%, 21.2%)
CIE-LAB	lab(33.22, 47.95, -75.40)
CIE-LCH	lch(33.22, 89.35, 302.46°)
OKLab	oklab(44.46% 0.0116 -0.2181)
OKLCH	oklch(44.46% 0.218 273)
XYZ	xyz(13.3796, 7.6383, 56.0162)
Luminance	0.0764 (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

#3636C9 #C9C936

analogous

#367FC9 #3636C9 #7F36C9

triadic

#3636C9 #C93636 #36C936

tetradic

#3636C9 #C93680 #C9C936 #36C980

square

#3636C9 #C93680 #C9C936 #36C980

split-complementary

#3636C9 #C98036 #80C936

monochromatic

#1C1C69 #292999 #3636C9 #6666D6 #9696E3

Accessibility & contrast

On white

8.31

#3636C9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#3636C9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3636C9

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3636C9	#FFFFFF	#000000	##FFFFFF
##3636C9	1.00	8.31	2.53	8.31
#FFFFFF	8.31	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055CD

Deuteranopia (green-blind)

#0047C6

Tritanopia (blue-blind)

#00607C

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3636c9;
/* rgb */ color: rgb(54, 54, 201);
/* oklch */ color: oklch(44.5% 0.218 273.0);

Tailwind

colors: {
  custom: {
    50: '#836fdb',
    500: '#3636c9',
    950: '#000000',
  },
}

SCSS

$custom: #3636c9;
$custom-light: #836fdb;
$custom-dark: #000000;

JSON

{
  "hex": "#3636c9",
  "rgb": {
    "r": 54,
    "g": 54,
    "b": 201
  },
  "hsl": {
    "h": 240,
    "s": 57.647,
    "l": 50
  },
  "oklch": {
    "l": 0.44463,
    "c": 0.21846,
    "h": 273
  },
  "luminance": 0.0764
}

Semantic roles & 50–950 ramp

primary

#3636C9

secondary

#CECE8C

accent

#E147E1

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0D0715

muted

#7D7A83

Preview Lab

Preview with #3636C9

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

Preview Lab → · Contrast checker → · Palette generator →