#3638BD#3638BD

#3638BD is a dark, highly saturated blue. Relative luminance 0.073; OKLCH L 43.6% C 0.202 H 273.5°. Best body text is #FFFFFF at 8.55:1 contrast (WCAG AA passes).

Color values

HEX#3638BD
RGBrgb(54, 56, 189)
HSLhsl(239, 56%, 48%)
HSVhsv(239, 71%, 74%)
CMYKcmyk(71.4%, 70.4%, 0%, 25.9%)
CIE-LABlab(32.45, 42.82, -69.63)
CIE-LCHlch(32.45, 81.74, 301.59°)
OKLaboklab(43.56% 0.0124 -0.2013)
OKLCHoklch(43.56% 0.202 273.5)
XYZxyz(12.1177, 7.2855, 48.9019)
Luminance0.0729 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3638BD #BDBB36
analogous
#367CBD #3638BD #7736BD
triadic
#3638BD #BD3638 #38BD36
tetradic
#3638BD #BD367C #BDBB36 #36BD77
square
#3638BD #BD367C #BDBB36 #36BD77
split-complementary
#3638BD #BD7736 #7CBD36
monochromatic
#1B1C5E #282A8D #3638BD #5F61D1 #8F90DF

Accessibility & contrast

On white

8.55
#3638BD on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.46
#3638BD on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3638BD
8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3638BD#FFFFFF#000000##FFFFFF
##3638BD1.008.552.468.55
#FFFFFF8.551.0021.001.00
#0000002.4621.001.0021.00
##FFFFFF8.551.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0053C1
Deuteranopia (green-blind)
#0046BB
Tritanopia (blue-blind)
#005D76
Achromatopsia (no color)
#4C4C4C

Design tokens & code

CSS
--color: #3638bd;
/* rgb */ color: rgb(54, 56, 189);
/* oklch */ color: oklch(43.6% 0.202 273.5);
Tailwind
colors: {
  custom: {
    50: '#8170d2',
    500: '#3638bd',
    950: '#000000',
  },
}
SCSS
$custom: #3638bd;
$custom-light: #8170d2;
$custom-dark: #000000;
JSON
{
  "hex": "#3638bd",
  "rgb": {
    "r": 54,
    "g": 56,
    "b": 189
  },
  "hsl": {
    "h": 239.111,
    "s": 55.556,
    "l": 47.647
  },
  "oklch": {
    "l": 0.43558,
    "c": 0.20173,
    "h": 273.5
  },
  "luminance": 0.07287
}

Semantic roles & 50–950 ramp

primary
#3638BD
secondary
#C9C885
accent
#DD49DF
background
#F8F6FD
surface
#F0ECFA
border
#CBC7D3
text
#0C0714
muted
#7D7A83

Preview Lab

Preview with #3638BD

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

Preview Lab → · Contrast checker → · Palette generator →

#3638BD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva