#363DB8#363DB8

#363DB8 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.9% C 0.190 H 273.0°. Best body text is #FFFFFF at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#363DB8
RGB	rgb(54, 61, 184)
HSL	hsl(237, 55%, 47%)
HSV	hsv(237, 71%, 72%)
CMYK	cmyk(70.7%, 66.8%, 0%, 27.8%)
CIE-LAB	lab(33.10, 38.09, -65.62)
CIE-LCH	lch(33.10, 75.87, 300.13°)
OKLab	oklab(43.88% 0.0099 -0.1896)
OKLCH	oklch(43.88% 0.19 273)
XYZ	xyz(11.8389, 7.5813, 46.1775)
Luminance	0.0758 (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

#363DB8 #B8B136

analogous

#367EB8 #363DB8 #7036B8

triadic

#363DB8 #B8363D #3DB836

tetradic

#363DB8 #B8367E #B8B136 #36B870

square

#363DB8 #B8367E #B8B136 #36B870

split-complementary

#363DB8 #B87036 #7EB836

monochromatic

#1A1E59 #282D89 #363DB8 #5C62CF #8B90DD

Accessibility & contrast

On white

8.35

#363DB8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#363DB8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #363DB8

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##363DB8	#FFFFFF	#000000	##FFFFFF
##363DB8	1.00	8.35	2.52	8.35
#FFFFFF	8.35	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BC

Deuteranopia (green-blind)

#0048B6

Tritanopia (blue-blind)

#005E75

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #363db8;
/* rgb */ color: rgb(54, 61, 184);
/* oklch */ color: oklch(43.9% 0.190 273.0);

Tailwind

colors: {
  custom: {
    50: '#7f73ce',
    500: '#363db8',
    950: '#000000',
  },
}

SCSS

$custom: #363db8;
$custom-light: #7f73ce;
$custom-dark: #000000;

JSON

{
  "hex": "#363db8",
  "rgb": {
    "r": 54,
    "g": 61,
    "b": 184
  },
  "hsl": {
    "h": 236.769,
    "s": 54.622,
    "l": 46.667
  },
  "oklch": {
    "l": 0.43883,
    "c": 0.18987,
    "h": 273
  },
  "luminance": 0.07582
}

Semantic roles & 50–950 ramp

primary

#363DB8

secondary

#C7C482

accent

#D64ADE

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #363DB8

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

Preview Lab → · Contrast checker → · Palette generator →