#363DB0#363DB0

#363DB0 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.1% C 0.179 H 273.4°. Best body text is #FFFFFF at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#363DB0
RGB	rgb(54, 61, 176)
HSL	hsl(237, 53%, 45%)
HSV	hsv(237, 69%, 69%)
CMYK	cmyk(69.3%, 65.3%, 0%, 31%)
CIE-LAB	lab(32.38, 35.30, -62.04)
CIE-LCH	lch(32.38, 71.38, 299.64°)
OKLab	oklab(43.14% 0.0106 -0.1791)
OKLCH	oklch(43.14% 0.179 273.4)
XYZ	xyz(11.0239, 7.2553, 41.8853)
Luminance	0.0726 (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

#363DB0 #B0A936

analogous

#367AB0 #363DB0 #6C36B0

triadic

#363DB0 #B0363D #3DB036

tetradic

#363DB0 #B0367A #B0A936 #36B06C

square

#363DB0 #B0367A #B0A936 #36B06C

split-complementary

#363DB0 #B06C36 #7AB036

monochromatic

#191D52 #282D81 #363DB0 #585ECC #868BDA

Accessibility & contrast

On white

8.57

#363DB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#363DB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #363DB0

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##363DB0	#FFFFFF	#000000	##FFFFFF
##363DB0	1.00	8.57	2.45	8.57
#FFFFFF	8.57	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B4

Deuteranopia (green-blind)

#0047AE

Tritanopia (blue-blind)

#005B71

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #363db0;
/* rgb */ color: rgb(54, 61, 176);
/* oklch */ color: oklch(43.1% 0.179 273.4);

Tailwind

colors: {
  custom: {
    50: '#7d73c9',
    500: '#363db0',
    950: '#000000',
  },
}

SCSS

$custom: #363db0;
$custom-light: #7d73c9;
$custom-dark: #000000;

JSON

{
  "hex": "#363db0",
  "rgb": {
    "r": 54,
    "g": 61,
    "b": 176
  },
  "hsl": {
    "h": 236.557,
    "s": 53.043,
    "l": 45.098
  },
  "oklch": {
    "l": 0.43144,
    "c": 0.17946,
    "h": 273.4
  },
  "luminance": 0.07256
}

Semantic roles & 50–950 ramp

primary

#363DB0

secondary

#C4C07E

accent

#D44BDC

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #363DB0

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

Preview Lab → · Contrast checker → · Palette generator →