#363FB8#363FB8

#363FB8 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.2% C 0.188 H 272.6°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#363FB8
RGB	rgb(54, 63, 184)
HSL	hsl(236, 55%, 47%)
HSV	hsv(236, 71%, 72%)
CMYK	cmyk(70.7%, 65.8%, 0%, 27.8%)
CIE-LAB	lab(33.56, 36.85, -64.85)
CIE-LCH	lch(33.56, 74.59, 299.60°)
OKLab	oklab(44.22% 0.0086 -0.1874)
OKLCH	oklch(44.22% 0.188 272.6)
XYZ	xyz(11.9477, 7.7988, 46.2138)
Luminance	0.0780 (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

#363FB8 #B8AF36

analogous

#3680B8 #363FB8 #6E36B8

triadic

#363FB8 #B8363F #3FB836

tetradic

#363FB8 #B83680 #B8AF36 #36B86E

square

#363FB8 #B83680 #B8AF36 #36B86E

split-complementary

#363FB8 #B86E36 #80B836

monochromatic

#1A1F59 #282F89 #363FB8 #5C64CF #8B91DD

Accessibility & contrast

On white

8.20

#363FB8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#363FB8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #363FB8

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##363FB8	#FFFFFF	#000000	##FFFFFF
##363FB8	1.00	8.20	2.56	8.20
#FFFFFF	8.20	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055BC

Deuteranopia (green-blind)

#0049B6

Tritanopia (blue-blind)

#005F76

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #363fb8;
/* rgb */ color: rgb(54, 63, 184);
/* oklch */ color: oklch(44.2% 0.188 272.6);

Tailwind

colors: {
  custom: {
    50: '#7f74ce',
    500: '#363fb8',
    950: '#000000',
  },
}

SCSS

$custom: #363fb8;
$custom-light: #7f74ce;
$custom-dark: #000000;

JSON

{
  "hex": "#363fb8",
  "rgb": {
    "r": 54,
    "g": 63,
    "b": 184
  },
  "hsl": {
    "h": 235.846,
    "s": 54.622,
    "l": 46.667
  },
  "oklch": {
    "l": 0.44222,
    "c": 0.18757,
    "h": 272.6
  },
  "luminance": 0.078
}

Semantic roles & 50–950 ramp

primary

#363FB8

secondary

#C7C382

accent

#D44ADE

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #363FB8

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

Preview Lab → · Contrast checker → · Palette generator →