#363DA8#363DA8

#363DA8 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.4% C 0.169 H 273.8°. Best body text is #FFFFFF at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#363DA8
RGB	rgb(54, 61, 168)
HSL	hsl(236, 51%, 44%)
HSV	hsv(236, 68%, 66%)
CMYK	cmyk(67.9%, 63.7%, 0%, 34.1%)
CIE-LAB	lab(31.69, 32.48, -58.39)
CIE-LCH	lch(31.69, 66.82, 299.09°)
OKLab	oklab(42.42% 0.0112 -0.1684)
OKLCH	oklch(42.42% 0.169 273.8)
XYZ	xyz(10.2556, 6.9480, 37.8388)
Luminance	0.0695 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.12

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#363DA8 #A8A136

analogous

#3676A8 #363DA8 #6836A8

triadic

#363DA8 #A8363D #3DA836

tetradic

#363DA8 #A83676 #A8A136 #36A868

square

#363DA8 #A83676 #A8A136 #36A868

split-complementary

#363DA8 #A86836 #76A836

monochromatic

#181B4B #272C7A #363DA8 #535BC8 #8287D7

Accessibility & contrast

On white

8.79

#363DA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#363DA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #363DA8

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##363DA8	#FFFFFF	#000000	##FFFFFF
##363DA8	1.00	8.79	2.39	8.79
#FFFFFF	8.79	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050AB

Deuteranopia (green-blind)

#0045A6

Tritanopia (blue-blind)

#00586C

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #363da8;
/* rgb */ color: rgb(54, 61, 168);
/* oklch */ color: oklch(42.4% 0.169 273.8);

Tailwind

colors: {
  custom: {
    50: '#7c72c3',
    500: '#363da8',
    950: '#000000',
  },
}

SCSS

$custom: #363da8;
$custom-light: #7c72c3;
$custom-dark: #000000;

JSON

{
  "hex": "#363da8",
  "rgb": {
    "r": 54,
    "g": 61,
    "b": 168
  },
  "hsl": {
    "h": 236.316,
    "s": 51.351,
    "l": 43.529
  },
  "oklch": {
    "l": 0.42423,
    "c": 0.16881,
    "h": 273.8
  },
  "luminance": 0.06949
}

Semantic roles & 50–950 ramp

primary

#363DA8

secondary

#C0BC7A

accent

#D24DDB

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #363DA8

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

Preview Lab → · Contrast checker → · Palette generator →