#21618A#21618A

#21618A is a mid, moderate cyan. Relative luminance 0.107; OKLCH L 47.2% C 0.092 H 241.1°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX#21618A
RGBrgb(33, 97, 138)
HSLhsl(203, 61%, 34%)
HSVhsv(203, 76%, 54%)
CMYKcmyk(76.1%, 29.7%, 0%, 45.9%)
CIE-LABlab(39.08, -5.48, -28.48)
CIE-LCHlch(39.08, 29.00, 259.11°)
OKLaboklab(47.2% -0.0445 -0.0805)
OKLCHoklch(47.2% 0.092 241.1)
XYZxyz(9.4876, 10.7066, 25.6064)
Luminance0.1071 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21618A #8A4A21
analogous
#218A7E #21618A #212C8A
triadic
#21618A #8A2161 #618A21
tetradic
#21618A #7E218A #8A4A21 #2C8A21
square
#21618A #7E218A #8A4A21 #2C8A21
split-complementary
#21618A #8A212C #8A7E21
monochromatic
#091C27 #153E59 #21618A #2D84BB #50A1D5

Accessibility & contrast

On white

6.68
#21618A on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.14
#21618A on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21618A
6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21618A#FFFFFF#000000##FFFFFF
##21618A1.006.683.146.68
#FFFFFF6.681.0021.001.00
#0000003.1421.001.0021.00
##FFFFFF6.681.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4E628C
Deuteranopia (green-blind)
#405889
Tritanopia (blue-blind)
#006B6F
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #21618a;
/* rgb */ color: rgb(33, 97, 138);
/* oklch */ color: oklch(47.2% 0.092 241.1);
Tailwind
colors: {
  custom: {
    50: '#6c8dac',
    500: '#21618a',
    950: '#000000',
  },
}
SCSS
$custom: #21618a;
$custom-light: #6c8dac;
$custom-dark: #000000;
JSON
{
  "hex": "#21618a",
  "rgb": {
    "r": 33,
    "g": 97,
    "b": 138
  },
  "hsl": {
    "h": 203.429,
    "s": 61.404,
    "l": 33.529
  },
  "oklch": {
    "l": 0.47203,
    "c": 0.09201,
    "h": 241.1
  },
  "luminance": 0.10708
}

Semantic roles & 50–950 ramp

primary
#21618A
secondary
#B9784E
accent
#8243E5
background
#F6F8FA
surface
#ECF0F4
border
#C7CBCE
text
#080C10
muted
#7A7D7F

Preview Lab

Preview with #21618A

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

Preview Lab → · Contrast checker → · Palette generator →

#21618A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva