#3621BB#3621BB

#3621BB is a dark, highly saturated blue. Relative luminance 0.055; OKLCH L 40.4% C 0.220 H 276.2°. Best body text is #FFFFFF at 10.04:1 contrast (WCAG AA passes).

Color values

HEX#3621BB
RGBrgb(54, 33, 187)
HSLhsl(248, 70%, 43%)
HSVhsv(248, 82%, 73%)
CMYKcmyk(71.1%, 82.4%, 0%, 26.7%)
CIE-LABlab(28.00, 54.23, -75.79)
CIE-LCHlch(28.00, 93.19, 305.58°)
OKLaboklab(40.36% 0.0237 -0.219)
OKLCHoklch(40.36% 0.22 276.2)
XYZxyz(11.0319, 5.4588, 47.4763)
Luminance0.0546 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3621BB #A6BB21
analogous
#2159BB #3621BB #8321BB
triadic
#3621BB #BB3621 #21BB36
tetradic
#3621BB #BB2159 #A6BB21 #21BB83
square
#3621BB #BB2159 #A6BB21 #21BB83
split-complementary
#3621BB #BB8321 #59BB21
monochromatic
#180F53 #271887 #3621BB #523DDD #8171E6

Accessibility & contrast

On white

10.04
#3621BB on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.09
#3621BB on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3621BB
10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3621BB#FFFFFF#000000##FFFFFF
##3621BB1.0010.042.0910.04
#FFFFFF10.041.0021.001.00
#0000002.0921.001.0021.00
##FFFFFF10.041.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0048BF
Deuteranopia (green-blind)
#003BB8
Tritanopia (blue-blind)
#005270
Achromatopsia (no color)
#424242

Design tokens & code

CSS
--color: #3621bb;
/* rgb */ color: rgb(54, 33, 187);
/* oklch */ color: oklch(40.4% 0.220 276.2);
Tailwind
colors: {
  custom: {
    50: '#8262d1',
    500: '#3621bb',
    950: '#000000',
  },
}
SCSS
$custom: #3621bb;
$custom-light: #8262d1;
$custom-dark: #000000;
JSON
{
  "hex": "#3621bb",
  "rgb": {
    "r": 54,
    "g": 33,
    "b": 187
  },
  "hsl": {
    "h": 248.182,
    "s": 70,
    "l": 43.137
  },
  "oklch": {
    "l": 0.40364,
    "c": 0.22033,
    "h": 276.2
  },
  "luminance": 0.0546
}

Semantic roles & 50–950 ramp

primary
#3621BB
secondary
#BFCC6B
accent
#ED3BD5
background
#F8F6FD
surface
#F0EBFA
border
#CBC6D3
text
#0C0514
muted
#7D7A83

Preview Lab

Preview with #3621BB

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

Preview Lab → · Contrast checker → · Palette generator →

#3621BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva