#363FB5#363FB5

#363FB5 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.9% C 0.184 H 272.8°. Best body text is #FFFFFF at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#363FB5
RGB	rgb(54, 63, 181)
HSL	hsl(236, 54%, 46%)
HSV	hsv(236, 70%, 71%)
CMYK	cmyk(70.2%, 65.2%, 0%, 29%)
CIE-LAB	lab(33.30, 35.79, -63.51)
CIE-LCH	lch(33.30, 72.90, 299.40°)
OKLab	oklab(43.95% 0.0088 -0.1834)
OKLCH	oklch(43.95% 0.184 272.8)
XYZ	xyz(11.6365, 7.6744, 44.5752)
Luminance	0.0767 (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

#363FB5 #B5AC36

analogous

#367EB5 #363FB5 #6C36B5

triadic

#363FB5 #B5363F #3FB536

tetradic

#363FB5 #B5367E #B5AC36 #36B56C

square

#363FB5 #B5367E #B5AC36 #36B56C

split-complementary

#363FB5 #B56C36 #7EB536

monochromatic

#1A1E57 #282F86 #363FB5 #5A63CE #898FDC

Accessibility & contrast

On white

8.28

#363FB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#363FB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #363FB5

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##363FB5	#FFFFFF	#000000	##FFFFFF
##363FB5	1.00	8.28	2.53	8.28
#FFFFFF	8.28	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B9

Deuteranopia (green-blind)

#0048B3

Tritanopia (blue-blind)

#005E74

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #363fb5;
/* rgb */ color: rgb(54, 63, 181);
/* oklch */ color: oklch(43.9% 0.184 272.8);

Tailwind

colors: {
  custom: {
    50: '#7e74cc',
    500: '#363fb5',
    950: '#000000',
  },
}

SCSS

$custom: #363fb5;
$custom-light: #7e74cc;
$custom-dark: #000000;

JSON

{
  "hex": "#363fb5",
  "rgb": {
    "r": 54,
    "g": 63,
    "b": 181
  },
  "hsl": {
    "h": 235.748,
    "s": 54.043,
    "l": 46.078
  },
  "oklch": {
    "l": 0.43947,
    "c": 0.18365,
    "h": 272.8
  },
  "luminance": 0.07675
}

Semantic roles & 50–950 ramp

primary

#363FB5

secondary

#C6C181

accent

#D34ADD

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #363FB5

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

Preview Lab → · Contrast checker → · Palette generator →