#363F9F#363F9F

#363F9F is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.0% C 0.154 H 273.7°. Best body text is #FFFFFF at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#363F9F
RGB	rgb(54, 63, 159)
HSL	hsl(235, 49%, 42%)
HSV	hsv(235, 66%, 62%)
CMYK	cmyk(66%, 60.4%, 0%, 37.6%)
CIE-LAB	lab(31.44, 27.99, -53.37)
CIE-LCH	lch(31.44, 60.26, 297.67°)
OKLab	oklab(42.01% 0.0098 -0.1537)
OKLCH	oklch(42.01% 0.154 273.7)
XYZ	xyz(9.5548, 6.8417, 33.6112)
Luminance	0.0684 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#363F9F #9F9636

analogous

#36749F #363F9F #62369F

triadic

#363F9F #9F363F #3F9F36

tetradic

#363F9F #9F3674 #9F9636 #369F62

square

#363F9F #9F3674 #9F9636 #369F62

split-complementary

#363F9F #9F6236 #749F36

monochromatic

#171B44 #262D71 #363F9F #4F59C3 #7D84D3

Accessibility & contrast

On white

8.87

#363F9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#363F9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #363F9F

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##363F9F	#FFFFFF	#000000	##FFFFFF
##363F9F	1.00	8.87	2.37	8.87
#FFFFFF	8.87	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA2

Deuteranopia (green-blind)

#00459D

Tritanopia (blue-blind)

#005769

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #363f9f;
/* rgb */ color: rgb(54, 63, 159);
/* oklch */ color: oklch(42.0% 0.154 273.7);

Tailwind

colors: {
  custom: {
    50: '#7a74bc',
    500: '#363f9f',
    950: '#000000',
  },
}

SCSS

$custom: #363f9f;
$custom-light: #7a74bc;
$custom-dark: #000000;

JSON

{
  "hex": "#363f9f",
  "rgb": {
    "r": 54,
    "g": 63,
    "b": 159
  },
  "hsl": {
    "h": 234.857,
    "s": 49.296,
    "l": 41.765
  },
  "oklch": {
    "l": 0.4201,
    "c": 0.15398,
    "h": 273.7
  },
  "luminance": 0.06842
}

Semantic roles & 50–950 ramp

primary

#363F9F

secondary

#BCB675

accent

#CD4FD9

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #363F9F

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

Preview Lab → · Contrast checker → · Palette generator →