#363FB9#363FB9

#363FB9 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.3% C 0.189 H 272.6°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#363FB9
RGB	rgb(54, 63, 185)
HSL	hsl(236, 55%, 47%)
HSV	hsv(236, 71%, 73%)
CMYK	cmyk(70.8%, 65.9%, 0%, 27.5%)
CIE-LAB	lab(33.65, 37.19, -65.30)
CIE-LCH	lch(33.65, 75.15, 299.67°)
OKLab	oklab(44.31% 0.0085 -0.1887)
OKLCH	oklch(44.31% 0.189 272.6)
XYZ	xyz(12.0528, 7.8409, 46.7678)
Luminance	0.0784 (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

#363FB9 #B9B036

analogous

#3681B9 #363FB9 #6F36B9

triadic

#363FB9 #B9363F #3FB936

tetradic

#363FB9 #B93681 #B9B036 #36B96F

square

#363FB9 #B93681 #B9B036 #36B96F

split-complementary

#363FB9 #B96F36 #81B936

monochromatic

#1A1F5A #282F8A #363FB9 #5D65D0 #8C92DD

Accessibility & contrast

On white

8.18

#363FB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#363FB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #363FB9

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##363FB9	#FFFFFF	#000000	##FFFFFF
##363FB9	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055BD

Deuteranopia (green-blind)

#0049B7

Tritanopia (blue-blind)

#005F76

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #363fb9;
/* rgb */ color: rgb(54, 63, 185);
/* oklch */ color: oklch(44.3% 0.189 272.6);

Tailwind

colors: {
  custom: {
    50: '#7f74cf',
    500: '#363fb9',
    950: '#000000',
  },
}

SCSS

$custom: #363fb9;
$custom-light: #7f74cf;
$custom-dark: #000000;

JSON

{
  "hex": "#363fb9",
  "rgb": {
    "r": 54,
    "g": 63,
    "b": 185
  },
  "hsl": {
    "h": 235.878,
    "s": 54.812,
    "l": 46.863
  },
  "oklch": {
    "l": 0.44314,
    "c": 0.18886,
    "h": 272.6
  },
  "luminance": 0.07842
}

Semantic roles & 50–950 ramp

primary

#363FB9

secondary

#C8C383

accent

#D44ADE

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #363FB9

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

Preview Lab → · Contrast checker → · Palette generator →