#363FAA#363FAA

#363FAA is a dark, vivid blue. Relative luminance 0.072; OKLCH L 43.0% C 0.169 H 273.2°. Best body text is #FFFFFF at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#363FAA
RGB	rgb(54, 63, 170)
HSL	hsl(235, 52%, 44%)
HSV	hsv(235, 68%, 67%)
CMYK	cmyk(68.2%, 62.9%, 0%, 33.3%)
CIE-LAB	lab(32.35, 31.91, -58.51)
CIE-LCH	lch(32.35, 66.65, 298.61°)
OKLab	oklab(42.96% 0.0095 -0.1688)
OKLCH	oklch(42.96% 0.169 273.2)
XYZ	xyz(10.5521, 7.2406, 38.8639)
Luminance	0.0724 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.06

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#363FAA #AAA136

analogous

#3679AA #363FAA #6736AA

triadic

#363FAA #AA363F #3FAA36

tetradic

#363FAA #AA3679 #AAA136 #36AA67

square

#363FAA #AA3679 #AAA136 #36AA67

split-complementary

#363FAA #AA6736 #79AA36

monochromatic

#181D4D #272E7C #363FAA #545DC9 #8389D8

Accessibility & contrast

On white

8.58

#363FAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#363FAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #363FAA

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##363FAA	#FFFFFF	#000000	##FFFFFF
##363FAA	1.00	8.58	2.45	8.58
#FFFFFF	8.58	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051AD

Deuteranopia (green-blind)

#0047A8

Tritanopia (blue-blind)

#005A6E

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #363faa;
/* rgb */ color: rgb(54, 63, 170);
/* oklch */ color: oklch(43.0% 0.169 273.2);

Tailwind

colors: {
  custom: {
    50: '#7c74c4',
    500: '#363faa',
    950: '#000000',
  },
}

SCSS

$custom: #363faa;
$custom-light: #7c74c4;
$custom-dark: #000000;

JSON

{
  "hex": "#363faa",
  "rgb": {
    "r": 54,
    "g": 63,
    "b": 170
  },
  "hsl": {
    "h": 235.345,
    "s": 51.786,
    "l": 43.922
  },
  "oklch": {
    "l": 0.4296,
    "c": 0.16905,
    "h": 273.2
  },
  "luminance": 0.07242
}

Semantic roles & 50–950 ramp

primary

#363FAA

secondary

#C1BC7B

accent

#D04DDB

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #363FAA

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

Preview Lab → · Contrast checker → · Palette generator →