#21689A#21689A

#21689A is a mid, moderate cyan. Relative luminance 0.126; OKLCH L 49.8% C 0.105 H 244.0°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX#21689A
RGBrgb(33, 104, 154)
HSLhsl(205, 65%, 37%)
HSVhsv(205, 79%, 60%)
CMYKcmyk(78.6%, 32.5%, 0%, 39.6%)
CIE-LABlab(42.09, -3.73, -33.36)
CIE-LCHlch(42.09, 33.57, 263.62°)
OKLaboklab(49.84% -0.0462 -0.0946)
OKLCHoklch(49.84% 0.105 244)
XYZxyz(11.4080, 12.5557, 32.3878)
Luminance0.1256 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21689A #9A5321
analogous
#219A90 #21689A #212C9A
triadic
#21689A #9A2168 #689A21
tetradic
#21689A #90219A #9A5321 #2C9A21
square
#21689A #90219A #9A5321 #2C9A21
split-complementary
#21689A #9A212C #9A9021
monochromatic
#0B2435 #164668 #21689A #2C8ACC #5AA6DC

Accessibility & contrast

On white

5.98
#21689A on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.51
#21689A on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21689A
5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21689A#FFFFFF#000000##FFFFFF
##21689A1.005.983.515.98
#FFFFFF5.981.0021.001.00
#0000003.5121.001.0021.00
##FFFFFF5.981.0021.001.00

Color blindness preview

Protanopia (red-blind)
#51699C
Deuteranopia (green-blind)
#405E99
Tritanopia (blue-blind)
#00747A
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #21689a;
/* rgb */ color: rgb(33, 104, 154);
/* oklch */ color: oklch(49.8% 0.105 244.0);
Tailwind
colors: {
  custom: {
    50: '#6f92b8',
    500: '#21689a',
    950: '#000000',
  },
}
SCSS
$custom: #21689a;
$custom-light: #6f92b8;
$custom-dark: #000000;
JSON
{
  "hex": "#21689a",
  "rgb": {
    "r": 33,
    "g": 104,
    "b": 154
  },
  "hsl": {
    "h": 204.793,
    "s": 64.706,
    "l": 36.667
  },
  "oklch": {
    "l": 0.49844,
    "c": 0.10534,
    "h": 244
  },
  "luminance": 0.12557
}

Semantic roles & 50–950 ramp

primary
#21689A
secondary
#C08257
accent
#8540E8
background
#F7F8FB
surface
#EDF0F6
border
#C8CBD0
text
#080D11
muted
#7B7D80

Preview Lab

Preview with #21689A

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

Preview Lab → · Contrast checker → · Palette generator →

#21689A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva