#363BBB#363BBB

#363BBB is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.8% C 0.196 H 273.2°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#363BBB
RGB	rgb(54, 59, 187)
HSL	hsl(238, 55%, 47%)
HSV	hsv(238, 71%, 73%)
CMYK	cmyk(71.1%, 68.4%, 0%, 26.7%)
CIE-LAB	lab(32.92, 40.35, -67.68)
CIE-LCH	lch(32.92, 78.79, 300.80°)
OKLab	oklab(43.84% 0.0109 -0.1956)
OKLCH	oklch(43.84% 0.196 273.2)
XYZ	xyz(12.0519, 7.4989, 47.8164)
Luminance	0.0750 (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

#363BBB #BBB636

analogous

#367EBB #363BBB #7336BB

triadic

#363BBB #BB363B #3BBB36

tetradic

#363BBB #BB367E #BBB636 #36BB73

square

#363BBB #BB367E #BBB636 #36BB73

split-complementary

#363BBB #BB7336 #7EBB36

monochromatic

#1B1D5C #282C8C #363BBB #5E62D0 #8D90DE

Accessibility & contrast

On white

8.40

#363BBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#363BBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #363BBB

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##363BBB	#FFFFFF	#000000	##FFFFFF
##363BBB	1.00	8.40	2.50	8.40
#FFFFFF	8.40	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BF

Deuteranopia (green-blind)

#0047B9

Tritanopia (blue-blind)

#005E76

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #363bbb;
/* rgb */ color: rgb(54, 59, 187);
/* oklch */ color: oklch(43.8% 0.196 273.2);

Tailwind

colors: {
  custom: {
    50: '#8071d1',
    500: '#363bbb',
    950: '#000000',
  },
}

SCSS

$custom: #363bbb;
$custom-light: #8071d1;
$custom-dark: #000000;

JSON

{
  "hex": "#363bbb",
  "rgb": {
    "r": 54,
    "g": 59,
    "b": 187
  },
  "hsl": {
    "h": 237.744,
    "s": 55.187,
    "l": 47.255
  },
  "oklch": {
    "l": 0.43838,
    "c": 0.19595,
    "h": 273.2
  },
  "luminance": 0.075
}

Semantic roles & 50–950 ramp

primary

#363BBB

secondary

#C9C684

accent

#D949DF

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #363BBB

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

Preview Lab → · Contrast checker → · Palette generator →