#363FB1#363FB1

#363FB1 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.6% C 0.178 H 272.9°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#363FB1
RGB	rgb(54, 63, 177)
HSL	hsl(236, 53%, 45%)
HSV	hsv(236, 69%, 69%)
CMYK	cmyk(69.5%, 64.4%, 0%, 30.6%)
CIE-LAB	lab(32.95, 34.39, -61.71)
CIE-LCH	lch(32.95, 70.64, 299.13°)
OKLab	oklab(43.58% 0.0091 -0.1782)
OKLCH	oklch(43.58% 0.178 272.9)
XYZ	xyz(11.2320, 7.5125, 42.4446)
Luminance	0.0751 (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

#363FB1 #B1A836

analogous

#367CB1 #363FB1 #6B36B1

triadic

#363FB1 #B1363F #3FB136

tetradic

#363FB1 #B1367C #B1A836 #36B16B

square

#363FB1 #B1367C #B1A836 #36B16B

split-complementary

#363FB1 #B16B36 #7CB136

monochromatic

#191E53 #282E82 #363FB1 #5861CC #878DDA

Accessibility & contrast

On white

8.39

#363FB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#363FB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #363FB1

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##363FB1	#FFFFFF	#000000	##FFFFFF
##363FB1	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B5

Deuteranopia (green-blind)

#0048AF

Tritanopia (blue-blind)

#005D72

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #363fb1;
/* rgb */ color: rgb(54, 63, 177);
/* oklch */ color: oklch(43.6% 0.178 272.9);

Tailwind

colors: {
  custom: {
    50: '#7d74c9',
    500: '#363fb1',
    950: '#000000',
  },
}

SCSS

$custom: #363fb1;
$custom-light: #7d74c9;
$custom-dark: #000000;

JSON

{
  "hex": "#363fb1",
  "rgb": {
    "r": 54,
    "g": 63,
    "b": 177
  },
  "hsl": {
    "h": 235.61,
    "s": 53.247,
    "l": 45.294
  },
  "oklch": {
    "l": 0.43584,
    "c": 0.17839,
    "h": 272.9
  },
  "luminance": 0.07514
}

Semantic roles & 50–950 ramp

primary

#363FB1

secondary

#C4BF7F

accent

#D24BDD

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #363FB1

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

Preview Lab → · Contrast checker → · Palette generator →