#363CB9#363CB9

#363CB9 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.8% C 0.192 H 273.1°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#363CB9
RGB	rgb(54, 60, 185)
HSL	hsl(237, 55%, 47%)
HSV	hsv(237, 71%, 73%)
CMYK	cmyk(70.8%, 67.6%, 0%, 27.5%)
CIE-LAB	lab(32.96, 39.05, -66.43)
CIE-LCH	lch(32.96, 77.06, 300.45°)
OKLab	oklab(43.81% 0.0105 -0.192)
OKLCH	oklch(43.81% 0.192 273.1)
XYZ	xyz(11.8912, 7.5176, 46.7139)
Luminance	0.0752 (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

#363CB9 #B9B336

analogous

#367EB9 #363CB9 #7236B9

triadic

#363CB9 #B9363C #3CB936

tetradic

#363CB9 #B9367E #B9B336 #36B972

square

#363CB9 #B9367E #B9B336 #36B972

split-complementary

#363CB9 #B97236 #7EB936

monochromatic

#1A1D5A #282D8A #363CB9 #5D62D0 #8C90DD

Accessibility & contrast

On white

8.39

#363CB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#363CB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #363CB9

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##363CB9	#FFFFFF	#000000	##FFFFFF
##363CB9	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BD

Deuteranopia (green-blind)

#0047B7

Tritanopia (blue-blind)

#005E75

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #363cb9;
/* rgb */ color: rgb(54, 60, 185);
/* oklch */ color: oklch(43.8% 0.192 273.1);

Tailwind

colors: {
  custom: {
    50: '#7f72cf',
    500: '#363cb9',
    950: '#000000',
  },
}

SCSS

$custom: #363cb9;
$custom-light: #7f72cf;
$custom-dark: #000000;

JSON

{
  "hex": "#363cb9",
  "rgb": {
    "r": 54,
    "g": 60,
    "b": 185
  },
  "hsl": {
    "h": 237.252,
    "s": 54.812,
    "l": 46.863
  },
  "oklch": {
    "l": 0.43811,
    "c": 0.19229,
    "h": 273.1
  },
  "luminance": 0.07519
}

Semantic roles & 50–950 ramp

primary

#363CB9

secondary

#C8C583

accent

#D74ADE

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #363CB9

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

Preview Lab → · Contrast checker → · Palette generator →