#363BB5#363BB5

#363BB5 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 43.3% C 0.188 H 273.5°. Best body text is #FFFFFF at 8.57:1 contrast (WCAG AA passes).

Color values

HEX#363BB5
RGBrgb(54, 59, 181)
HSLhsl(238, 54%, 46%)
HSVhsv(238, 70%, 71%)
CMYKcmyk(70.2%, 67.4%, 0%, 29%)
CIE-LABlab(32.36, 38.28, -65.04)
CIE-LCHlch(32.36, 75.47, 300.48°)
OKLaboklab(43.27% 0.0116 -0.1879)
OKLCHoklch(43.27% 0.188 273.5)
XYZxyz(11.4230, 7.2473, 44.5040)
Luminance0.0725 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#363BB5 #B5B036
analogous
#367AB5 #363BB5 #7036B5
triadic
#363BB5 #B5363B #3BB536
tetradic
#363BB5 #B5367A #B5B036 #36B570
square
#363BB5 #B5367A #B5B036 #36B570
split-complementary
#363BB5 #B57036 #7AB536
monochromatic
#1A1C57 #282C86 #363BB5 #5A5FCE #898DDC

Accessibility & contrast

On white

8.57
#363BB5 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.45
#363BB5 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #363BB5
8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##363BB5#FFFFFF#000000##FFFFFF
##363BB51.008.572.458.57
#FFFFFF8.571.0021.001.00
#0000002.4521.001.0021.00
##FFFFFF8.571.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0052B9
Deuteranopia (green-blind)
#0046B3
Tritanopia (blue-blind)
#005C73
Achromatopsia (no color)
#4C4C4C

Design tokens & code

CSS
--color: #363bb5;
/* rgb */ color: rgb(54, 59, 181);
/* oklch */ color: oklch(43.3% 0.188 273.5);
Tailwind
colors: {
  custom: {
    50: '#7f71cc',
    500: '#363bb5',
    950: '#000000',
  },
}
SCSS
$custom: #363bb5;
$custom-light: #7f71cc;
$custom-dark: #000000;
JSON
{
  "hex": "#363bb5",
  "rgb": {
    "r": 54,
    "g": 59,
    "b": 181
  },
  "hsl": {
    "h": 237.638,
    "s": 54.043,
    "l": 46.078
  },
  "oklch": {
    "l": 0.43269,
    "c": 0.18829,
    "h": 273.5
  },
  "luminance": 0.07248
}

Semantic roles & 50–950 ramp

primary
#363BB5
secondary
#C6C381
accent
#D84ADD
background
#F8F6FC
surface
#F0ECF9
border
#CBC7D2
text
#0B0814
muted
#7C7B82

Preview Lab

Preview with #363BB5

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

Preview Lab → · Contrast checker → · Palette generator →

#363BB5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva