#363DB5#363DB5

#363DB5 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.6% C 0.186 H 273.1°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#363DB5
RGB	rgb(54, 61, 181)
HSL	hsl(237, 54%, 46%)
HSV	hsv(237, 70%, 71%)
CMYK	cmyk(70.2%, 66.3%, 0%, 29%)
CIE-LAB	lab(32.83, 37.05, -64.28)
CIE-LCH	lch(32.83, 74.19, 299.95°)
OKLab	oklab(43.6% 0.0102 -0.1857)
OKLCH	oklch(43.6% 0.186 273.1)
XYZ	xyz(11.5278, 7.4568, 44.5389)
Luminance	0.0746 (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

#363DB5 #B5AE36

analogous

#367CB5 #363DB5 #6E36B5

triadic

#363DB5 #B5363D #3DB536

tetradic

#363DB5 #B5367C #B5AE36 #36B56E

square

#363DB5 #B5367C #B5AE36 #36B56E

split-complementary

#363DB5 #B56E36 #7CB536

monochromatic

#1A1D57 #282D86 #363DB5 #5A61CE #898EDC

Accessibility & contrast

On white

8.43

#363DB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#363DB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #363DB5

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##363DB5	#FFFFFF	#000000	##FFFFFF
##363DB5	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B9

Deuteranopia (green-blind)

#0047B3

Tritanopia (blue-blind)

#005D73

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #363db5;
/* rgb */ color: rgb(54, 61, 181);
/* oklch */ color: oklch(43.6% 0.186 273.1);

Tailwind

colors: {
  custom: {
    50: '#7e73cc',
    500: '#363db5',
    950: '#000000',
  },
}

SCSS

$custom: #363db5;
$custom-light: #7e73cc;
$custom-dark: #000000;

JSON

{
  "hex": "#363db5",
  "rgb": {
    "r": 54,
    "g": 61,
    "b": 181
  },
  "hsl": {
    "h": 236.693,
    "s": 54.043,
    "l": 46.078
  },
  "oklch": {
    "l": 0.43604,
    "c": 0.18599,
    "h": 273.1
  },
  "luminance": 0.07458
}

Semantic roles & 50–950 ramp

primary

#363DB5

secondary

#C6C281

accent

#D54ADD

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #363DB5

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

Preview Lab → · Contrast checker → · Palette generator →