#363B99#363B99

#363B99 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.7% C 0.151 H 275.1°. Best body text is #FFFFFF at 9.36:1 contrast (WCAG AA passes).

Color values

HEX	#363B99
RGB	rgb(54, 59, 153)
HSL	hsl(237, 48%, 41%)
HSV	hsv(237, 65%, 60%)
CMYK	cmyk(64.7%, 61.4%, 0%, 40%)
CIE-LAB	lab(29.94, 28.46, -52.17)
CIE-LCH	lch(29.94, 59.43, 298.62°)
OKLab	oklab(40.75% 0.0135 -0.1502)
OKLCH	oklch(40.75% 0.151 275.1)
XYZ	xyz(8.8332, 6.2114, 30.8642)
Luminance	0.0621 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#363B99 #999436

analogous

#366C99 #363B99 #623699

triadic

#363B99 #99363B #3B9936

tetradic

#363B99 #99366C #999436 #369962

square

#363B99 #99366C #999436 #369962

split-complementary

#363B99 #996236 #6C9936

monochromatic

#16183F #262A6C #363B99 #4C52C0 #7A7ED0

Accessibility & contrast

On white

9.36

#363B99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#363B99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #363B99

9.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##363B99	#FFFFFF	#000000	##FFFFFF
##363B99	1.00	9.36	2.24	9.36
#FFFFFF	9.36	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B9C

Deuteranopia (green-blind)

#004297

Tritanopia (blue-blind)

#005264

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #363b99;
/* rgb */ color: rgb(54, 59, 153);
/* oklch */ color: oklch(40.7% 0.151 275.1);

Tailwind

colors: {
  custom: {
    50: '#7971b8',
    500: '#363b99',
    950: '#000000',
  },
}

SCSS

$custom: #363b99;
$custom-light: #7971b8;
$custom-dark: #000000;

JSON

{
  "hex": "#363b99",
  "rgb": {
    "r": 54,
    "g": 59,
    "b": 153
  },
  "hsl": {
    "h": 236.97,
    "s": 47.826,
    "l": 40.588
  },
  "oklch": {
    "l": 0.40747,
    "c": 0.15081,
    "h": 275.1
  },
  "luminance": 0.06212
}

Semantic roles & 50–950 ramp

primary

#363B99

secondary

#B9B572

accent

#D150D7

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #363B99

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

Preview Lab → · Contrast checker → · Palette generator →