#363FBC#363FBC

#363FBC is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.6% C 0.193 H 272.5°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX#363FBC
RGBrgb(54, 63, 188)
HSLhsl(236, 55%, 47%)
HSVhsv(236, 71%, 74%)
CMYKcmyk(71.3%, 66.5%, 0%, 26.3%)
CIE-LABlab(33.92, 38.24, -66.63)
CIE-LCHlch(33.92, 76.82, 299.85°)
OKLaboklab(44.59% 0.0083 -0.1926)
OKLCHoklch(44.59% 0.193 272.5)
XYZxyz(12.3729, 7.9689, 48.4533)
Luminance0.0797 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#363FBC #BCB336
analogous
#3682BC #363FBC #7036BC
triadic
#363FBC #BC363F #3FBC36
tetradic
#363FBC #BC3682 #BCB336 #36BC70
square
#363FBC #BC3682 #BCB336 #36BC70
split-complementary
#363FBC #BC7036 #82BC36
monochromatic
#1B1F5D #282F8C #363FBC #5E66D1 #8E93DF

Accessibility & contrast

On white

8.10
#363FBC on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.59
#363FBC on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #363FBC
8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##363FBC#FFFFFF#000000##FFFFFF
##363FBC1.008.102.598.10
#FFFFFF8.101.0021.001.00
#0000002.5921.001.0021.00
##FFFFFF8.101.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0056C0
Deuteranopia (green-blind)
#004ABA
Tritanopia (blue-blind)
#006078
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #363fbc;
/* rgb */ color: rgb(54, 63, 188);
/* oklch */ color: oklch(44.6% 0.193 272.5);
Tailwind
colors: {
  custom: {
    50: '#8074d1',
    500: '#363fbc',
    950: '#000000',
  },
}
SCSS
$custom: #363fbc;
$custom-light: #8074d1;
$custom-dark: #000000;
JSON
{
  "hex": "#363fbc",
  "rgb": {
    "r": 54,
    "g": 63,
    "b": 188
  },
  "hsl": {
    "h": 235.97,
    "s": 55.372,
    "l": 47.451
  },
  "oklch": {
    "l": 0.44592,
    "c": 0.19274,
    "h": 272.5
  },
  "luminance": 0.0797
}

Semantic roles & 50–950 ramp

primary
#363FBC
secondary
#C9C485
accent
#D549DF
background
#F8F7FD
surface
#F0EDFA
border
#CBC8D3
text
#0C0814
muted
#7D7B83

Preview Lab

Preview with #363FBC

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

Preview Lab → · Contrast checker → · Palette generator →

#363FBC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva