#363F99#363F99

#363F99 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.5% C 0.146 H 273.9°. Best body text is #FFFFFF at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#363F99
RGB	rgb(54, 63, 153)
HSL	hsl(235, 48%, 41%)
HSV	hsv(235, 65%, 60%)
CMYK	cmyk(64.7%, 58.8%, 0%, 40%)
CIE-LAB	lab(30.97, 25.84, -50.50)
CIE-LCH	lch(30.97, 56.73, 297.10°)
OKLab	oklab(41.51% 0.0099 -0.1452)
OKLCH	oklch(41.51% 0.146 273.9)
XYZ	xyz(9.0467, 6.6384, 30.9354)
Luminance	0.0664 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#363F99 #999036

analogous

#367199 #363F99 #5E3699

triadic

#363F99 #99363F #3F9936

tetradic

#363F99 #993671 #999036 #36995E

square

#363F99 #993671 #999036 #36995E

split-complementary

#363F99 #995E36 #719936

monochromatic

#161A3F #262C6C #363F99 #4C57C0 #7A81D0

Accessibility & contrast

On white

9.02

#363F99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#363F99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #363F99

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##363F99	#FFFFFF	#000000	##FFFFFF
##363F99	1.00	9.02	2.33	9.02
#FFFFFF	9.02	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004D9C

Deuteranopia (green-blind)

#004597

Tritanopia (blue-blind)

#005565

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #363f99;
/* rgb */ color: rgb(54, 63, 153);
/* oklch */ color: oklch(41.5% 0.146 273.9);

Tailwind

colors: {
  custom: {
    50: '#7874b8',
    500: '#363f99',
    950: '#000000',
  },
}

SCSS

$custom: #363f99;
$custom-light: #7874b8;
$custom-dark: #000000;

JSON

{
  "hex": "#363f99",
  "rgb": {
    "r": 54,
    "g": 63,
    "b": 153
  },
  "hsl": {
    "h": 234.545,
    "s": 47.826,
    "l": 40.588
  },
  "oklch": {
    "l": 0.41509,
    "c": 0.14557,
    "h": 273.9
  },
  "luminance": 0.06639
}

Semantic roles & 50–950 ramp

primary

#363F99

secondary

#B9B272

accent

#CB50D7

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #363F99

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

Preview Lab → · Contrast checker → · Palette generator →