#36378C#36378C

#36378C is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.9% C 0.138 H 277.4°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#36378C
RGB	rgb(54, 55, 140)
HSL	hsl(239, 44%, 38%)
HSV	hsv(239, 61%, 55%)
CMYK	cmyk(61.4%, 60.7%, 0%, 45.1%)
CIE-LAB	lab(27.87, 26.49, -47.56)
CIE-LCH	lch(27.87, 54.44, 299.12°)
OKLab	oklab(38.89% 0.0176 -0.1367)
OKLCH	oklch(38.89% 0.138 277.4)
XYZ	xyz(7.6196, 5.4095, 25.4485)
Luminance	0.0541 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#36378C #8C8B36

analogous

#36628C #36378C #60368C

triadic

#36378C #8C3637 #378C36

tetradic

#36378C #8C3662 #8C8B36 #368C60

square

#36378C #8C3662 #8C8B36 #368C60

split-complementary

#36378C #8C6036 #628C36

monochromatic

#141434 #252660 #36378C #4748B8 #7374C9

Accessibility & contrast

On white

10.09

#36378C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#36378C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #36378C

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##36378C	#FFFFFF	#000000	##FFFFFF
##36378C	1.00	10.09	2.08	10.09
#FFFFFF	10.09	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458F

Deuteranopia (green-blind)

#003E8A

Tritanopia (blue-blind)

#004C5C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #36378c;
/* rgb */ color: rgb(54, 55, 140);
/* oklch */ color: oklch(38.9% 0.138 277.4);

Tailwind

colors: {
  custom: {
    50: '#766eae',
    500: '#36378c',
    950: '#000000',
  },
}

SCSS

$custom: #36378c;
$custom-light: #766eae;
$custom-dark: #000000;

JSON

{
  "hex": "#36378c",
  "rgb": {
    "r": 54,
    "g": 55,
    "b": 140
  },
  "hsl": {
    "h": 239.302,
    "s": 44.33,
    "l": 38.039
  },
  "oklch": {
    "l": 0.3889,
    "c": 0.13779,
    "h": 277.4
  },
  "luminance": 0.0541
}

Semantic roles & 50–950 ramp

primary

#36378C

secondary

#B2B16C

accent

#D354D4

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #36378C

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

Preview Lab → · Contrast checker → · Palette generator →