#211C73#211C73

#211C73 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.2% C 0.142 H 276.2°. Best body text is #FFFFFF at 14.20:1 contrast (WCAG AA passes).

Color values

HEX#211C73
RGBrgb(33, 28, 115)
HSLhsl(243, 61%, 28%)
HSVhsv(243, 76%, 45%)
CMYKcmyk(71.3%, 75.7%, 0%, 54.9%)
CIE-LABlab(17.42, 31.82, -48.92)
CIE-LCHlch(17.42, 58.36, 303.04°)
OKLaboklab(30.17% 0.0153 -0.1414)
OKLCHoklch(30.17% 0.142 276.2)
XYZxyz(4.1360, 2.3913, 16.4599)
Luminance0.0239 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#211C73 #6E731C
analogous
#1C4273 #211C73 #4C1C73
triadic
#211C73 #73211C #1C7321
tetradic
#211C73 #731C42 #6E731C #1C734C
square
#211C73 #731C42 #6E731C #1C734C
split-complementary
#211C73 #734C1C #42731C
monochromatic
#070619 #131042 #211C73 #2F28A4 #433ACF

Accessibility & contrast

On white

14.20
#211C73 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.48
#211C73 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211C73
14.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##211C73#FFFFFF#000000##FFFFFF
##211C731.0014.201.4814.20
#FFFFFF14.201.0021.001.00
#0000001.4821.001.0021.00
##FFFFFF14.201.0021.001.00

Color blindness preview

Protanopia (red-blind)
#002F76
Deuteranopia (green-blind)
#002771
Tritanopia (blue-blind)
#003445
Achromatopsia (no color)
#2B2B2B

Design tokens & code

CSS
--color: #211c73;
/* rgb */ color: rgb(33, 28, 115);
/* oklch */ color: oklch(30.2% 0.142 276.2);
Tailwind
colors: {
  custom: {
    50: '#69599c',
    500: '#211c73',
    950: '#000000',
  },
}
SCSS
$custom: #211c73;
$custom-light: #69599c;
$custom-dark: #000000;
JSON
{
  "hex": "#211c73",
  "rgb": {
    "r": 33,
    "g": 28,
    "b": 115
  },
  "hsl": {
    "h": 243.448,
    "s": 60.839,
    "l": 28.039
  },
  "oklch": {
    "l": 0.30171,
    "c": 0.14219,
    "h": 276.2
  },
  "luminance": 0.02392
}

Semantic roles & 50–950 ramp

primary
#211C73
secondary
#A2A743
accent
#E444DB
background
#F6F5F9
surface
#ECE9F2
border
#C7C5CC
text
#07030E
muted
#7A787E

Preview Lab

Preview with #211C73

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

Preview Lab → · Contrast checker → · Palette generator →

#211C73 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva