#3636BF#3636BF

#3636BF is a dark, highly saturated blue. Relative luminance 0.072; OKLCH L 43.5% C 0.206 H 273.7°. Best body text is #FFFFFF at 8.62:1 contrast (WCAG AA passes).

Color values

HEX	#3636BF
RGB	rgb(54, 54, 191)
HSL	hsl(240, 56%, 48%)
HSV	hsv(240, 72%, 75%)
CMYK	cmyk(71.7%, 71.7%, 0%, 25.1%)
CIE-LAB	lab(32.22, 44.66, -71.18)
CIE-LCH	lch(32.22, 84.03, 302.10°)
OKLab	oklab(43.45% 0.0133 -0.2059)
OKLCH	oklch(43.45% 0.206 273.7)
XYZ	xyz(12.2413, 7.1830, 50.0214)
Luminance	0.0718 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 3.90

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3636BF #BFBF36

analogous

#367ABF #3636BF #7A36BF

triadic

#3636BF #BF3636 #36BF36

tetradic

#3636BF #BF367A #BFBF36 #36BF7A

square

#3636BF #BF367A #BFBF36 #36BF7A

split-complementary

#3636BF #BF7A36 #7ABF36

monochromatic

#1B1B60 #29298F #3636BF #6060D2 #9090E0

Accessibility & contrast

On white

8.62

#3636BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#3636BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3636BF

8.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3636BF	#FFFFFF	#000000	##FFFFFF
##3636BF	1.00	8.62	2.44	8.62
#FFFFFF	8.62	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052C3

Deuteranopia (green-blind)

#0045BD

Tritanopia (blue-blind)

#005D77

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3636bf;
/* rgb */ color: rgb(54, 54, 191);
/* oklch */ color: oklch(43.5% 0.206 273.7);

Tailwind

colors: {
  custom: {
    50: '#816ed4',
    500: '#3636bf',
    950: '#000000',
  },
}

SCSS

$custom: #3636bf;
$custom-light: #816ed4;
$custom-dark: #000000;

JSON

{
  "hex": "#3636bf",
  "rgb": {
    "r": 54,
    "g": 54,
    "b": 191
  },
  "hsl": {
    "h": 240,
    "s": 55.918,
    "l": 48.039
  },
  "oklch": {
    "l": 0.43453,
    "c": 0.20631,
    "h": 273.7
  },
  "luminance": 0.07184
}

Semantic roles & 50–950 ramp

primary

#3636BF

secondary

#CACA87

accent

#DF49DF

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3636BF

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

Preview Lab → · Contrast checker → · Palette generator →