#21A9CA#21A9CA

#21A9CA is a light, moderate cyan. Relative luminance 0.330; OKLCH L 68.1% C 0.117 H 219.5°. Best body text is #000000 at 7.59:1 contrast (WCAG AA passes).

Color values

HEX#21A9CA
RGBrgb(33, 169, 202)
HSLhsl(192, 72%, 46%)
HSVhsv(192, 84%, 79%)
CMYKcmyk(83.7%, 16.3%, 0%, 20.8%)
CIE-LABlab(64.13, -23.02, -26.62)
CIE-LCHlch(64.13, 35.19, 229.14°)
OKLaboklab(68.14% -0.0904 -0.0746)
OKLCHoklch(68.14% 0.117 219.5)
XYZxyz(25.4713, 32.9603, 60.8852)
Luminance0.3296 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21A9CA #CA4221
analogous
#21CA96 #21A9CA #2154CA
triadic
#21A9CA #CA21A9 #A9CA21
tetradic
#21A9CA #9621CA #CA4221 #54CA21
square
#21A9CA #9621CA #CA4221 #54CA21
split-complementary
#21A9CA #CA2154 #CA9621
monochromatic
#105161 #187D95 #21A9CA #47C3E1 #7CD4EA

Accessibility & contrast

On white

2.77
#21A9CA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.59
#21A9CA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21A9CA
7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21A9CA#FFFFFF#000000##000000
##21A9CA1.002.777.597.59
#FFFFFF2.771.0021.0021.00
#0000007.5921.001.001.00
##0000007.5921.001.001.00

Color blindness preview

Protanopia (red-blind)
#95A4CC
Deuteranopia (green-blind)
#7F95CA
Tritanopia (blue-blind)
#00B4B4
Achromatopsia (no color)
#9B9B9B

Design tokens & code

CSS
--color: #21a9ca;
/* rgb */ color: rgb(33, 169, 202);
/* oklch */ color: oklch(68.1% 0.117 219.5);
Tailwind
colors: {
  custom: {
    50: '#7cc2da',
    500: '#21a9ca',
    950: '#000000',
  },
}
SCSS
$custom: #21a9ca;
$custom-light: #7cc2da;
$custom-dark: #000000;
JSON
{
  "hex": "#21a9ca",
  "rgb": {
    "r": 33,
    "g": 169,
    "b": 202
  },
  "hsl": {
    "h": 191.716,
    "s": 71.915,
    "l": 46.078
  },
  "oklch": {
    "l": 0.6814,
    "c": 0.11716,
    "h": 219.5
  },
  "luminance": 0.32964
}

Semantic roles & 50–950 ramp

primary
#21A9CA
secondary
#D28775
accent
#5D39EF
background
#F8FBFD
surface
#F0F7FA
border
#CBD0D3
text
#0B1214
muted
#7C8183

Preview Lab

Preview with #21A9CA

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

Preview Lab → · Contrast checker → · Palette generator →

#21A9CA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva