#363CBB#363CBB

#363CBB is a dark, vivid blue. Relative luminance 0.076; OKLCH L 44.0% C 0.195 H 273.0°. Best body text is #FFFFFF at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#363CBB
RGB	rgb(54, 60, 187)
HSL	hsl(237, 55%, 47%)
HSV	hsv(237, 71%, 73%)
CMYK	cmyk(71.1%, 67.9%, 0%, 26.7%)
CIE-LAB	lab(33.14, 39.74, -67.31)
CIE-LCH	lch(33.14, 78.17, 300.56°)
OKLab	oklab(44% 0.0103 -0.1946)
OKLCH	oklch(44% 0.195 273)
XYZ	xyz(12.1038, 7.6027, 47.8337)
Luminance	0.0760 (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

#363CBB #BBB536

analogous

#367FBB #363CBB #7236BB

triadic

#363CBB #BB363C #3CBB36

tetradic

#363CBB #BB367F #BBB536 #36BB72

square

#363CBB #BB367F #BBB536 #36BB72

split-complementary

#363CBB #BB7236 #7FBB36

monochromatic

#1B1E5C #282D8C #363CBB #5E63D0 #8D91DE

Accessibility & contrast

On white

8.33

#363CBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#363CBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #363CBB

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##363CBB	#FFFFFF	#000000	##FFFFFF
##363CBB	1.00	8.33	2.52	8.33
#FFFFFF	8.33	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BF

Deuteranopia (green-blind)

#0048B9

Tritanopia (blue-blind)

#005E76

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #363cbb;
/* rgb */ color: rgb(54, 60, 187);
/* oklch */ color: oklch(44.0% 0.195 273.0);

Tailwind

colors: {
  custom: {
    50: '#8072d1',
    500: '#363cbb',
    950: '#000000',
  },
}

SCSS

$custom: #363cbb;
$custom-light: #8072d1;
$custom-dark: #000000;

JSON

{
  "hex": "#363cbb",
  "rgb": {
    "r": 54,
    "g": 60,
    "b": 187
  },
  "hsl": {
    "h": 237.293,
    "s": 55.187,
    "l": 47.255
  },
  "oklch": {
    "l": 0.44,
    "c": 0.19484,
    "h": 273
  },
  "luminance": 0.07604
}

Semantic roles & 50–950 ramp

primary

#363CBB

secondary

#C9C684

accent

#D849DF

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #363CBB

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

Preview Lab → · Contrast checker → · Palette generator →