#21729A#21729A

#21729A is a mid, moderate cyan. Relative luminance 0.147; OKLCH L 52.3% C 0.098 H 235.1°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).

Color values

HEX#21729A
RGBrgb(33, 114, 154)
HSLhsl(200, 65%, 37%)
HSVhsv(200, 79%, 60%)
CMYKcmyk(78.6%, 26%, 0%, 39.6%)
CIE-LABlab(45.21, -9.72, -28.47)
CIE-LCHlch(45.21, 30.08, 251.15°)
OKLaboklab(52.32% -0.056 -0.0803)
OKLCHoklch(52.32% 0.098 235.1)
XYZxyz(12.4749, 14.6896, 32.7435)
Luminance0.1469 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21729A #9A4921
analogous
#219A86 #21729A #21359A
triadic
#21729A #9A2172 #729A21
tetradic
#21729A #86219A #9A4921 #359A21
square
#21729A #86219A #9A4921 #359A21
split-complementary
#21729A #9A2135 #9A8621
monochromatic
#0B2735 #164D68 #21729A #2C97CC #5AB1DC

Accessibility & contrast

On white

5.33
#21729A on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.94
#21729A on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21729A
5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21729A#FFFFFF#000000##FFFFFF
##21729A1.005.333.945.33
#FFFFFF5.331.0021.001.00
#0000003.9421.001.0021.00
##FFFFFF5.331.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5F719C
Deuteranopia (green-blind)
#4E6699
Tritanopia (blue-blind)
#007C80
Achromatopsia (no color)
#6B6B6B

Design tokens & code

CSS
--color: #21729a;
/* rgb */ color: rgb(33, 114, 154);
/* oklch */ color: oklch(52.3% 0.098 235.1);
Tailwind
colors: {
  custom: {
    50: '#709ab8',
    500: '#21729a',
    950: '#000000',
  },
}
SCSS
$custom: #21729a;
$custom-light: #709ab8;
$custom-dark: #000000;
JSON
{
  "hex": "#21729a",
  "rgb": {
    "r": 33,
    "g": 114,
    "b": 154
  },
  "hsl": {
    "h": 199.835,
    "s": 64.706,
    "l": 36.667
  },
  "oklch": {
    "l": 0.52319,
    "c": 0.0979,
    "h": 235.1
  },
  "luminance": 0.14691
}

Semantic roles & 50–950 ramp

primary
#21729A
secondary
#C07A57
accent
#7840E8
background
#F7F9FB
surface
#EDF2F6
border
#C8CCD0
text
#090E11
muted
#7B7E80

Preview Lab

Preview with #21729A

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

Preview Lab → · Contrast checker → · Palette generator →

#21729A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva