#36378D#36378D

#36378D is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.0% C 0.139 H 277.3°. Best body text is #FFFFFF at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#36378D
RGB	rgb(54, 55, 141)
HSL	hsl(239, 45%, 38%)
HSV	hsv(239, 62%, 55%)
CMYK	cmyk(61.7%, 61%, 0%, 44.7%)
CIE-LAB	lab(27.95, 26.85, -48.04)
CIE-LCH	lch(27.95, 55.04, 299.19°)
OKLab	oklab(38.97% 0.0176 -0.1381)
OKLCH	oklch(38.97% 0.139 277.3)
XYZ	xyz(7.6937, 5.4392, 25.8386)
Luminance	0.0544 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#36378D #8D8C36

analogous

#36628D #36378D #60368D

triadic

#36378D #8D3637 #378D36

tetradic

#36378D #8D3662 #8D8C36 #368D60

square

#36378D #8D3662 #8D8C36 #368D60

split-complementary

#36378D #8D6036 #628D36

monochromatic

#141434 #252661 #36378D #4749B9 #7475CA

Accessibility & contrast

On white

10.06

#36378D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#36378D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #36378D

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##36378D	#FFFFFF	#000000	##FFFFFF
##36378D	1.00	10.06	2.09	10.06
#FFFFFF	10.06	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004690

Deuteranopia (green-blind)

#003E8B

Tritanopia (blue-blind)

#004C5C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #36378d;
/* rgb */ color: rgb(54, 55, 141);
/* oklch */ color: oklch(39.0% 0.139 277.3);

Tailwind

colors: {
  custom: {
    50: '#776eaf',
    500: '#36378d',
    950: '#000000',
  },
}

SCSS

$custom: #36378d;
$custom-light: #776eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#36378d",
  "rgb": {
    "r": 54,
    "g": 55,
    "b": 141
  },
  "hsl": {
    "h": 239.31,
    "s": 44.615,
    "l": 38.235
  },
  "oklch": {
    "l": 0.38974,
    "c": 0.13922,
    "h": 277.3
  },
  "luminance": 0.0544
}

Semantic roles & 50–950 ramp

primary

#36378D

secondary

#B2B16D

accent

#D353D4

background

#F7F6FA

surface

#EEEBF5

border

#C9C6CF

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #36378D

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

Preview Lab → · Contrast checker → · Palette generator →