#363DA5#363DA5

#363DA5 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.2% C 0.165 H 273.9°. Best body text is #FFFFFF at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#363DA5
RGB	rgb(54, 61, 165)
HSL	hsl(236, 51%, 43%)
HSV	hsv(236, 67%, 65%)
CMYK	cmyk(67.3%, 63%, 0%, 35.3%)
CIE-LAB	lab(31.43, 31.42, -57.00)
CIE-LCH	lch(31.43, 65.09, 298.87°)
OKLab	oklab(42.16% 0.0113 -0.1644)
OKLCH	oklch(42.16% 0.165 273.9)
XYZ	xyz(9.9793, 6.8375, 36.3839)
Luminance	0.0684 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#363DA5 #A59E36

analogous

#3674A5 #363DA5 #6636A5

triadic

#363DA5 #A5363D #3DA536

tetradic

#363DA5 #A53674 #A59E36 #36A566

square

#363DA5 #A53674 #A59E36 #36A566

split-complementary

#363DA5 #A56636 #74A536

monochromatic

#181B49 #272C77 #363DA5 #5259C6 #8085D5

Accessibility & contrast

On white

8.87

#363DA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#363DA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #363DA5

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##363DA5	#FFFFFF	#000000	##FFFFFF
##363DA5	1.00	8.87	2.37	8.87
#FFFFFF	8.87	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA8

Deuteranopia (green-blind)

#0045A3

Tritanopia (blue-blind)

#00576B

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #363da5;
/* rgb */ color: rgb(54, 61, 165);
/* oklch */ color: oklch(42.2% 0.165 273.9);

Tailwind

colors: {
  custom: {
    50: '#7b72c1',
    500: '#363da5',
    950: '#000000',
  },
}

SCSS

$custom: #363da5;
$custom-light: #7b72c1;
$custom-dark: #000000;

JSON

{
  "hex": "#363da5",
  "rgb": {
    "r": 54,
    "g": 61,
    "b": 165
  },
  "hsl": {
    "h": 236.216,
    "s": 50.685,
    "l": 42.941
  },
  "oklch": {
    "l": 0.42157,
    "c": 0.16476,
    "h": 273.9
  },
  "luminance": 0.06838
}

Semantic roles & 50–950 ramp

primary

#363DA5

secondary

#BFBA78

accent

#D14EDA

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #363DA5

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

Preview Lab → · Contrast checker → · Palette generator →