#21A6CA#21A6CA

#21A6CA is a light, moderate cyan. Relative luminance 0.319; OKLCH L 67.4% C 0.118 H 221.9°. Best body text is #000000 at 7.37:1 contrast (WCAG AA passes).

Color values

HEX#21A6CA
RGBrgb(33, 166, 202)
HSLhsl(193, 72%, 46%)
HSVhsv(193, 84%, 79%)
CMYKcmyk(83.7%, 17.8%, 0%, 20.8%)
CIE-LABlab(63.22, -21.47, -28.01)
CIE-LCHlch(63.22, 35.29, 232.53°)
OKLaboklab(67.41% -0.0876 -0.0786)
OKLCHoklch(67.41% 0.118 221.9)
XYZxyz(24.9196, 31.8568, 60.7013)
Luminance0.3186 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21A6CA #CA4521
analogous
#21CA99 #21A6CA #2151CA
triadic
#21A6CA #CA21A6 #A6CA21
tetradic
#21A6CA #9921CA #CA4521 #51CA21
square
#21A6CA #9921CA #CA4521 #51CA21
split-complementary
#21A6CA #CA2151 #CA9921
monochromatic
#105061 #187B95 #21A6CA #47C0E1 #7CD2EA

Accessibility & contrast

On white

2.85
#21A6CA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.37
#21A6CA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21A6CA
7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21A6CA#FFFFFF#000000##000000
##21A6CA1.002.857.377.37
#FFFFFF2.851.0021.0021.00
#0000007.3721.001.001.00
##0000007.3721.001.001.00

Color blindness preview

Protanopia (red-blind)
#91A2CC
Deuteranopia (green-blind)
#7B92CA
Tritanopia (blue-blind)
#00B1B2
Achromatopsia (no color)
#999999

Design tokens & code

CSS
--color: #21a6ca;
/* rgb */ color: rgb(33, 166, 202);
/* oklch */ color: oklch(67.4% 0.118 221.9);
Tailwind
colors: {
  custom: {
    50: '#7cc0da',
    500: '#21a6ca',
    950: '#000000',
  },
}
SCSS
$custom: #21a6ca;
$custom-light: #7cc0da;
$custom-dark: #000000;
JSON
{
  "hex": "#21a6ca",
  "rgb": {
    "r": 33,
    "g": 166,
    "b": 202
  },
  "hsl": {
    "h": 192.781,
    "s": 71.915,
    "l": 46.078
  },
  "oklch": {
    "l": 0.67413,
    "c": 0.11767,
    "h": 221.9
  },
  "luminance": 0.3186
}

Semantic roles & 50–950 ramp

primary
#21A6CA
secondary
#D28975
accent
#6039EF
background
#F8FBFD
surface
#EFF7FA
border
#CAD0D3
text
#0B1214
muted
#7C8183

Preview Lab

Preview with #21A6CA

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

Preview Lab → · Contrast checker → · Palette generator →

#21A6CA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva