#363CB5#363CB5

#363CB5 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.4% C 0.187 H 273.3°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#363CB5
RGB	rgb(54, 60, 181)
HSL	hsl(237, 54%, 46%)
HSV	hsv(237, 70%, 71%)
CMYK	cmyk(70.2%, 66.9%, 0%, 29%)
CIE-LAB	lab(32.59, 37.67, -64.66)
CIE-LCH	lch(32.59, 74.83, 300.22°)
OKLab	oklab(43.44% 0.0109 -0.1868)
OKLCH	oklch(43.44% 0.187 273.3)
XYZ	xyz(11.4749, 7.3511, 44.5213)
Luminance	0.0735 (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

#363CB5 #B5AF36

analogous

#367BB5 #363CB5 #6F36B5

triadic

#363CB5 #B5363C #3CB536

tetradic

#363CB5 #B5367B #B5AF36 #36B56F

square

#363CB5 #B5367B #B5AF36 #36B56F

split-complementary

#363CB5 #B56F36 #7BB536

monochromatic

#1A1D57 #282C86 #363CB5 #5A60CE #898DDC

Accessibility & contrast

On white

8.50

#363CB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#363CB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #363CB5

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##363CB5	#FFFFFF	#000000	##FFFFFF
##363CB5	1.00	8.50	2.47	8.50
#FFFFFF	8.50	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B9

Deuteranopia (green-blind)

#0047B3

Tritanopia (blue-blind)

#005C73

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #363cb5;
/* rgb */ color: rgb(54, 60, 181);
/* oklch */ color: oklch(43.4% 0.187 273.3);

Tailwind

colors: {
  custom: {
    50: '#7f72cc',
    500: '#363cb5',
    950: '#000000',
  },
}

SCSS

$custom: #363cb5;
$custom-light: #7f72cc;
$custom-dark: #000000;

JSON

{
  "hex": "#363cb5",
  "rgb": {
    "r": 54,
    "g": 60,
    "b": 181
  },
  "hsl": {
    "h": 237.165,
    "s": 54.043,
    "l": 46.078
  },
  "oklch": {
    "l": 0.43435,
    "c": 0.18715,
    "h": 273.3
  },
  "luminance": 0.07352
}

Semantic roles & 50–950 ramp

primary

#363CB5

secondary

#C6C381

accent

#D64ADD

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #363CB5

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

Preview Lab → · Contrast checker → · Palette generator →