#363CB4#363CB4

#363CB4 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.3% C 0.186 H 273.4°. Best body text is #FFFFFF at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#363CB4
RGB	rgb(54, 60, 180)
HSL	hsl(237, 54%, 46%)
HSV	hsv(237, 70%, 71%)
CMYK	cmyk(70%, 66.7%, 0%, 29.4%)
CIE-LAB	lab(32.50, 37.32, -64.22)
CIE-LCH	lch(32.50, 74.27, 300.16°)
OKLab	oklab(43.34% 0.011 -0.1855)
OKLCH	oklch(43.34% 0.186 273.4)
XYZ	xyz(11.3726, 7.3102, 43.9828)
Luminance	0.0731 (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

#363CB4 #B4AE36

analogous

#367BB4 #363CB4 #6F36B4

triadic

#363CB4 #B4363C #3CB436

tetradic

#363CB4 #B4367B #B4AE36 #36B46F

square

#363CB4 #B4367B #B4AE36 #36B46F

split-complementary

#363CB4 #B46F36 #7BB436

monochromatic

#1A1D56 #282C85 #363CB4 #5A5FCD #898DDC

Accessibility & contrast

On white

8.53

#363CB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#363CB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #363CB4

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##363CB4	#FFFFFF	#000000	##FFFFFF
##363CB4	1.00	8.53	2.46	8.53
#FFFFFF	8.53	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B8

Deuteranopia (green-blind)

#0047B2

Tritanopia (blue-blind)

#005C73

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #363cb4;
/* rgb */ color: rgb(54, 60, 180);
/* oklch */ color: oklch(43.3% 0.186 273.4);

Tailwind

colors: {
  custom: {
    50: '#7e72cc',
    500: '#363cb4',
    950: '#000000',
  },
}

SCSS

$custom: #363cb4;
$custom-light: #7e72cc;
$custom-dark: #000000;

JSON

{
  "hex": "#363cb4",
  "rgb": {
    "r": 54,
    "g": 60,
    "b": 180
  },
  "hsl": {
    "h": 237.143,
    "s": 53.846,
    "l": 45.882
  },
  "oklch": {
    "l": 0.43342,
    "c": 0.18585,
    "h": 273.4
  },
  "luminance": 0.07311
}

Semantic roles & 50–950 ramp

primary

#363CB4

secondary

#C6C280

accent

#D64BDD

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #363CB4

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

Preview Lab → · Contrast checker → · Palette generator →