#363DB9#363DB9

#363DB9 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 44.0% C 0.191 H 273.0°. Best body text is #FFFFFF at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#363DB9
RGB	rgb(54, 61, 185)
HSL	hsl(237, 55%, 47%)
HSV	hsv(237, 71%, 73%)
CMYK	cmyk(70.8%, 67%, 0%, 27.5%)
CIE-LAB	lab(33.19, 38.43, -66.06)
CIE-LCH	lch(33.19, 76.43, 300.19°)
OKLab	oklab(43.98% 0.0098 -0.1909)
OKLCH	oklch(43.98% 0.191 273)
XYZ	xyz(11.9441, 7.6234, 46.7315)
Luminance	0.0762 (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

#363DB9 #B9B236

analogous

#367FB9 #363DB9 #7136B9

triadic

#363DB9 #B9363D #3DB936

tetradic

#363DB9 #B9367F #B9B236 #36B971

square

#363DB9 #B9367F #B9B236 #36B971

split-complementary

#363DB9 #B97136 #7FB936

monochromatic

#1A1E5A #282D8A #363DB9 #5D63D0 #8C90DD

Accessibility & contrast

On white

8.32

#363DB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#363DB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #363DB9

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##363DB9	#FFFFFF	#000000	##FFFFFF
##363DB9	1.00	8.32	2.53	8.32
#FFFFFF	8.32	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BD

Deuteranopia (green-blind)

#0048B7

Tritanopia (blue-blind)

#005E76

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #363db9;
/* rgb */ color: rgb(54, 61, 185);
/* oklch */ color: oklch(44.0% 0.191 273.0);

Tailwind

colors: {
  custom: {
    50: '#7f73cf',
    500: '#363db9',
    950: '#000000',
  },
}

SCSS

$custom: #363db9;
$custom-light: #7f73cf;
$custom-dark: #000000;

JSON

{
  "hex": "#363db9",
  "rgb": {
    "r": 54,
    "g": 61,
    "b": 185
  },
  "hsl": {
    "h": 236.794,
    "s": 54.812,
    "l": 46.863
  },
  "oklch": {
    "l": 0.43977,
    "c": 0.19115,
    "h": 273
  },
  "luminance": 0.07625
}

Semantic roles & 50–950 ramp

primary

#363DB9

secondary

#C8C483

accent

#D64ADE

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #363DB9

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

Preview Lab → · Contrast checker → · Palette generator →