#363FB3#363FB3

#363FB3 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.8% C 0.181 H 272.8°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#363FB3
RGB	rgb(54, 63, 179)
HSL	hsl(236, 54%, 46%)
HSV	hsv(236, 70%, 70%)
CMYK	cmyk(69.8%, 64.8%, 0%, 29.8%)
CIE-LAB	lab(33.12, 35.09, -62.61)
CIE-LCH	lch(33.12, 71.78, 299.27°)
OKLab	oklab(43.77% 0.009 -0.1808)
OKLCH	oklch(43.77% 0.181 272.8)
XYZ	xyz(11.4328, 7.5929, 43.5021)
Luminance	0.0759 (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

#363FB3 #B3AA36

analogous

#367DB3 #363FB3 #6B36B3

triadic

#363FB3 #B3363F #3FB336

tetradic

#363FB3 #B3367D #B3AA36 #36B36B

square

#363FB3 #B3367D #B3AA36 #36B36B

split-complementary

#363FB3 #B36B36 #7DB336

monochromatic

#1A1E55 #282E84 #363FB3 #5962CD #888EDB

Accessibility & contrast

On white

8.34

#363FB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#363FB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #363FB3

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##363FB3	#FFFFFF	#000000	##FFFFFF
##363FB3	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B7

Deuteranopia (green-blind)

#0048B1

Tritanopia (blue-blind)

#005D73

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #363fb3;
/* rgb */ color: rgb(54, 63, 179);
/* oklch */ color: oklch(43.8% 0.181 272.8);

Tailwind

colors: {
  custom: {
    50: '#7e74cb',
    500: '#363fb3',
    950: '#000000',
  },
}

SCSS

$custom: #363fb3;
$custom-light: #7e74cb;
$custom-dark: #000000;

JSON

{
  "hex": "#363fb3",
  "rgb": {
    "r": 54,
    "g": 63,
    "b": 179
  },
  "hsl": {
    "h": 235.68,
    "s": 53.648,
    "l": 45.686
  },
  "oklch": {
    "l": 0.43765,
    "c": 0.18103,
    "h": 272.8
  },
  "luminance": 0.07594
}

Semantic roles & 50–950 ramp

primary

#363FB3

secondary

#C5C080

accent

#D34BDD

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #363FB3

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

Preview Lab → · Contrast checker → · Palette generator →