#363CB8#363CB8

#363CB8 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.7% C 0.191 H 273.2°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#363CB8
RGB	rgb(54, 60, 184)
HSL	hsl(237, 55%, 47%)
HSV	hsv(237, 71%, 72%)
CMYK	cmyk(70.7%, 67.4%, 0%, 27.8%)
CIE-LAB	lab(32.87, 38.70, -65.99)
CIE-LCH	lch(32.87, 76.51, 300.39°)
OKLab	oklab(43.72% 0.0106 -0.1907)
OKLCH	oklch(43.72% 0.191 273.2)
XYZ	xyz(11.7860, 7.4755, 46.1599)
Luminance	0.0748 (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

#363CB8 #B8B236

analogous

#367DB8 #363CB8 #7136B8

triadic

#363CB8 #B8363C #3CB836

tetradic

#363CB8 #B8367D #B8B236 #36B871

square

#363CB8 #B8367D #B8B236 #36B871

split-complementary

#363CB8 #B87136 #7DB836

monochromatic

#1A1D59 #282D89 #363CB8 #5C61CF #8B8FDD

Accessibility & contrast

On white

8.42

#363CB8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#363CB8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #363CB8

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##363CB8	#FFFFFF	#000000	##FFFFFF
##363CB8	1.00	8.42	2.50	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BC

Deuteranopia (green-blind)

#0047B6

Tritanopia (blue-blind)

#005D75

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #363cb8;
/* rgb */ color: rgb(54, 60, 184);
/* oklch */ color: oklch(43.7% 0.191 273.2);

Tailwind

colors: {
  custom: {
    50: '#7f72ce',
    500: '#363cb8',
    950: '#000000',
  },
}

SCSS

$custom: #363cb8;
$custom-light: #7f72ce;
$custom-dark: #000000;

JSON

{
  "hex": "#363cb8",
  "rgb": {
    "r": 54,
    "g": 60,
    "b": 184
  },
  "hsl": {
    "h": 237.231,
    "s": 54.622,
    "l": 46.667
  },
  "oklch": {
    "l": 0.43717,
    "c": 0.191,
    "h": 273.2
  },
  "luminance": 0.07477
}

Semantic roles & 50–950 ramp

primary

#363CB8

secondary

#C7C482

accent

#D74ADE

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #363CB8

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

Preview Lab → · Contrast checker → · Palette generator →