#363DA4#363DA4

#363DA4 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.1% C 0.163 H 274.0°. Best body text is #FFFFFF at 8.90:1 contrast (WCAG AA passes).

Color values

HEX	#363DA4
RGB	rgb(54, 61, 164)
HSL	hsl(236, 50%, 43%)
HSV	hsv(236, 67%, 64%)
CMYK	cmyk(67.1%, 62.8%, 0%, 35.7%)
CIE-LAB	lab(31.35, 31.07, -56.54)
CIE-LCH	lch(31.35, 64.51, 298.79°)
OKLab	oklab(42.07% 0.0114 -0.163)
OKLCH	oklch(42.07% 0.163 274)
XYZ	xyz(9.8887, 6.8012, 35.9064)
Luminance	0.0680 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#363DA4 #A49D36

analogous

#3674A4 #363DA4 #6636A4

triadic

#363DA4 #A4363D #3DA436

tetradic

#363DA4 #A43674 #A49D36 #36A466

square

#363DA4 #A43674 #A49D36 #36A466

split-complementary

#363DA4 #A46636 #74A436

monochromatic

#181B48 #272C76 #363DA4 #5159C6 #7F85D5

Accessibility & contrast

On white

8.90

#363DA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#363DA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #363DA4

8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##363DA4	#FFFFFF	#000000	##FFFFFF
##363DA4	1.00	8.90	2.36	8.90
#FFFFFF	8.90	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA7

Deuteranopia (green-blind)

#0045A2

Tritanopia (blue-blind)

#00576A

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #363da4;
/* rgb */ color: rgb(54, 61, 164);
/* oklch */ color: oklch(42.1% 0.163 274.0);

Tailwind

colors: {
  custom: {
    50: '#7b72c0',
    500: '#363da4',
    950: '#000000',
  },
}

SCSS

$custom: #363da4;
$custom-light: #7b72c0;
$custom-dark: #000000;

JSON

{
  "hex": "#363da4",
  "rgb": {
    "r": 54,
    "g": 61,
    "b": 164
  },
  "hsl": {
    "h": 236.182,
    "s": 50.459,
    "l": 42.745
  },
  "oklch": {
    "l": 0.42069,
    "c": 0.1634,
    "h": 274
  },
  "luminance": 0.06802
}

Semantic roles & 50–950 ramp

primary

#363DA4

secondary

#BEBA78

accent

#D14EDA

background

#F8F6FB

surface

#EFECF7

border

#CAC7D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #363DA4

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

Preview Lab → · Contrast checker → · Palette generator →