#21218E#21218E

#21218E is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.9% C 0.172 H 272.4°. Best body text is #FFFFFF at 12.55:1 contrast (WCAG AA passes).

Color values

HEX#21218E
RGBrgb(33, 33, 142)
HSLhsl(240, 62%, 34%)
HSVhsv(240, 77%, 56%)
CMYKcmyk(76.8%, 76.8%, 0%, 44.3%)
CIE-LABlab(21.44, 38.26, -59.39)
CIE-LCHlch(21.44, 70.65, 302.79°)
OKLaboklab(33.91% 0.0073 -0.1719)
OKLCHoklch(33.91% 0.172 272.4)
XYZxyz(6.0519, 3.3634, 25.9162)
Luminance0.0336 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21218E #8E8E21
analogous
#21588E #21218E #58218E
triadic
#21218E #8E2121 #218E21
tetradic
#21218E #8E2158 #8E8E21 #218E58
square
#21218E #8E2158 #8E8E21 #218E58
split-complementary
#21218E #8E5821 #588E21
monochromatic
#0A0A2B #15155C #21218E #2D2DC0 #5252D7

Accessibility & contrast

On white

12.55
#21218E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.67
#21218E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21218E
12.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21218E#FFFFFF#000000##FFFFFF
##21218E1.0012.551.6712.55
#FFFFFF12.551.0021.001.00
#0000001.6721.001.0021.00
##FFFFFF12.551.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003991
Deuteranopia (green-blind)
#002E8C
Tritanopia (blue-blind)
#004156
Achromatopsia (no color)
#333333

Design tokens & code

CSS
--color: #21218e;
/* rgb */ color: rgb(33, 33, 142);
/* oklch */ color: oklch(33.9% 0.172 272.4);
Tailwind
colors: {
  custom: {
    50: '#705eb0',
    500: '#21218e',
    950: '#000000',
  },
}
SCSS
$custom: #21218e;
$custom-light: #705eb0;
$custom-dark: #000000;
JSON
{
  "hex": "#21218e",
  "rgb": {
    "r": 33,
    "g": 33,
    "b": 142
  },
  "hsl": {
    "h": 240,
    "s": 62.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.33911,
    "c": 0.17203,
    "h": 272.4
  },
  "luminance": 0.03364
}

Semantic roles & 50–950 ramp

primary
#21218E
secondary
#BABA50
accent
#E542E5
background
#F7F5FB
surface
#EDE9F6
border
#C8C5D0
text
#090411
muted
#7B7980

Preview Lab

Preview with #21218E

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

Preview Lab → · Contrast checker → · Palette generator →

#21218E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva