#21A8CA#21A8CA

#21A8CA is a light, moderate cyan. Relative luminance 0.326; OKLCH L 67.9% C 0.117 H 220.3°. Best body text is #000000 at 7.52:1 contrast (WCAG AA passes).

Color values

HEX#21A8CA
RGBrgb(33, 168, 202)
HSLhsl(192, 72%, 46%)
HSVhsv(192, 84%, 79%)
CMYKcmyk(83.7%, 16.8%, 0%, 20.8%)
CIE-LABlab(63.83, -22.51, -27.08)
CIE-LCHlch(63.83, 35.21, 230.27°)
OKLaboklab(67.9% -0.0894 -0.0759)
OKLCHoklch(67.9% 0.117 220.3)
XYZxyz(25.2860, 32.5896, 60.8234)
Luminance0.3259 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21A8CA #CA4321
analogous
#21CA97 #21A8CA #2153CA
triadic
#21A8CA #CA21A8 #A8CA21
tetradic
#21A8CA #9721CA #CA4321 #53CA21
square
#21A8CA #9721CA #CA4321 #53CA21
split-complementary
#21A8CA #CA2153 #CA9721
monochromatic
#105061 #187C95 #21A8CA #47C2E1 #7CD3EA

Accessibility & contrast

On white

2.79
#21A8CA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.52
#21A8CA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21A8CA
7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21A8CA#FFFFFF#000000##000000
##21A8CA1.002.797.527.52
#FFFFFF2.791.0021.0021.00
#0000007.5221.001.001.00
##0000007.5221.001.001.00

Color blindness preview

Protanopia (red-blind)
#93A3CC
Deuteranopia (green-blind)
#7E94CA
Tritanopia (blue-blind)
#00B3B3
Achromatopsia (no color)
#9B9B9B

Design tokens & code

CSS
--color: #21a8ca;
/* rgb */ color: rgb(33, 168, 202);
/* oklch */ color: oklch(67.9% 0.117 220.3);
Tailwind
colors: {
  custom: {
    50: '#7cc2da',
    500: '#21a8ca',
    950: '#000000',
  },
}
SCSS
$custom: #21a8ca;
$custom-light: #7cc2da;
$custom-dark: #000000;
JSON
{
  "hex": "#21a8ca",
  "rgb": {
    "r": 33,
    "g": 168,
    "b": 202
  },
  "hsl": {
    "h": 192.071,
    "s": 71.915,
    "l": 46.078
  },
  "oklch": {
    "l": 0.67898,
    "c": 0.11731,
    "h": 220.3
  },
  "luminance": 0.32593
}

Semantic roles & 50–950 ramp

primary
#21A8CA
secondary
#D28875
accent
#5E39EF
background
#F8FBFD
surface
#F0F7FA
border
#CBD0D3
text
#0B1214
muted
#7C8183

Preview Lab

Preview with #21A8CA

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

Preview Lab → · Contrast checker → · Palette generator →

#21A8CA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva