#363FBB#363FBB

#363FBB is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.5% C 0.191 H 272.5°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#363FBB
RGB	rgb(54, 63, 187)
HSL	hsl(236, 55%, 47%)
HSV	hsv(236, 71%, 73%)
CMYK	cmyk(71.1%, 66.3%, 0%, 26.7%)
CIE-LAB	lab(33.83, 37.89, -66.19)
CIE-LCH	lch(33.83, 76.27, 299.79°)
OKLab	oklab(44.5% 0.0084 -0.1913)
OKLCH	oklch(44.5% 0.191 272.5)
XYZ	xyz(12.2655, 7.9259, 47.8875)
Luminance	0.0793 (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

#363FBB #BBB236

analogous

#3681BB #363FBB #7036BB

triadic

#363FBB #BB363F #3FBB36

tetradic

#363FBB #BB3681 #BBB236 #36BB70

square

#363FBB #BB3681 #BBB236 #36BB70

split-complementary

#363FBB #BB7036 #81BB36

monochromatic

#1B1F5C #282F8C #363FBB #5E66D0 #8D93DE

Accessibility & contrast

On white

8.12

#363FBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#363FBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #363FBB

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##363FBB	#FFFFFF	#000000	##FFFFFF
##363FBB	1.00	8.12	2.59	8.12
#FFFFFF	8.12	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056BF

Deuteranopia (green-blind)

#0049B9

Tritanopia (blue-blind)

#006077

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #363fbb;
/* rgb */ color: rgb(54, 63, 187);
/* oklch */ color: oklch(44.5% 0.191 272.5);

Tailwind

colors: {
  custom: {
    50: '#8074d1',
    500: '#363fbb',
    950: '#000000',
  },
}

SCSS

$custom: #363fbb;
$custom-light: #8074d1;
$custom-dark: #000000;

JSON

{
  "hex": "#363fbb",
  "rgb": {
    "r": 54,
    "g": 63,
    "b": 187
  },
  "hsl": {
    "h": 235.94,
    "s": 55.187,
    "l": 47.255
  },
  "oklch": {
    "l": 0.44499,
    "c": 0.19145,
    "h": 272.5
  },
  "luminance": 0.07927
}

Semantic roles & 50–950 ramp

primary

#363FBB

secondary

#C9C484

accent

#D449DF

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #363FBB

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

Preview Lab → · Contrast checker → · Palette generator →