#363DB4#363DB4

#363DB4 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.5% C 0.185 H 273.2°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#363DB4
RGB	rgb(54, 61, 180)
HSL	hsl(237, 54%, 46%)
HSV	hsv(237, 70%, 71%)
CMYK	cmyk(70%, 66.1%, 0%, 29.4%)
CIE-LAB	lab(32.74, 36.70, -63.84)
CIE-LCH	lch(32.74, 73.63, 299.89°)
OKLab	oklab(43.51% 0.0103 -0.1844)
OKLCH	oklch(43.51% 0.185 273.2)
XYZ	xyz(11.4255, 7.4159, 44.0005)
Luminance	0.0742 (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

#363DB4 #B4AD36

analogous

#367CB4 #363DB4 #6E36B4

triadic

#363DB4 #B4363D #3DB436

tetradic

#363DB4 #B4367C #B4AD36 #36B46E

square

#363DB4 #B4367C #B4AD36 #36B46E

split-complementary

#363DB4 #B46E36 #7CB436

monochromatic

#1A1D56 #282D85 #363DB4 #5A60CD #898DDC

Accessibility & contrast

On white

8.46

#363DB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#363DB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #363DB4

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##363DB4	#FFFFFF	#000000	##FFFFFF
##363DB4	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B8

Deuteranopia (green-blind)

#0047B2

Tritanopia (blue-blind)

#005C73

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #363db4;
/* rgb */ color: rgb(54, 61, 180);
/* oklch */ color: oklch(43.5% 0.185 273.2);

Tailwind

colors: {
  custom: {
    50: '#7e73cb',
    500: '#363db4',
    950: '#000000',
  },
}

SCSS

$custom: #363db4;
$custom-light: #7e73cb;
$custom-dark: #000000;

JSON

{
  "hex": "#363db4",
  "rgb": {
    "r": 54,
    "g": 61,
    "b": 180
  },
  "hsl": {
    "h": 236.667,
    "s": 53.846,
    "l": 45.882
  },
  "oklch": {
    "l": 0.43512,
    "c": 0.18469,
    "h": 273.2
  },
  "luminance": 0.07417
}

Semantic roles & 50–950 ramp

primary

#363DB4

secondary

#C6C280

accent

#D54BDD

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #363DB4

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

Preview Lab → · Contrast checker → · Palette generator →