#21ADCA#21ADCA

#21ADCA is a light, moderate cyan. Relative luminance 0.345; OKLCH L 69.1% C 0.117 H 216.4°. Best body text is #000000 at 7.90:1 contrast (WCAG AA passes).

Color values

HEX#21ADCA
RGBrgb(33, 173, 202)
HSLhsl(190, 72%, 46%)
HSVhsv(190, 84%, 79%)
CMYKcmyk(83.7%, 14.4%, 0%, 20.8%)
CIE-LABlab(65.33, -25.07, -24.76)
CIE-LCHlch(65.33, 35.24, 224.65°)
OKLaboklab(69.11% -0.0941 -0.0693)
OKLCHoklch(69.11% 0.117 216.4)
XYZxyz(26.2268, 34.4714, 61.1370)
Luminance0.3448 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21ADCA #CA3E21
analogous
#21CA92 #21ADCA #2158CA
triadic
#21ADCA #CA21AD #ADCA21
tetradic
#21ADCA #9221CA #CA3E21 #58CA21
square
#21ADCA #9221CA #CA3E21 #58CA21
split-complementary
#21ADCA #CA2158 #CA9221
monochromatic
#105361 #188095 #21ADCA #47C7E1 #7CD7EA

Accessibility & contrast

On white

2.66
#21ADCA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.90
#21ADCA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21ADCA
7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21ADCA#FFFFFF#000000##000000
##21ADCA1.002.667.907.90
#FFFFFF2.661.0021.0021.00
#0000007.9021.001.001.00
##0000007.9021.001.001.00

Color blindness preview

Protanopia (red-blind)
#9AA7CC
Deuteranopia (green-blind)
#8498CA
Tritanopia (blue-blind)
#00B7B6
Achromatopsia (no color)
#9F9F9F

Design tokens & code

CSS
--color: #21adca;
/* rgb */ color: rgb(33, 173, 202);
/* oklch */ color: oklch(69.1% 0.117 216.4);
Tailwind
colors: {
  custom: {
    50: '#7cc5da',
    500: '#21adca',
    950: '#000000',
  },
}
SCSS
$custom: #21adca;
$custom-light: #7cc5da;
$custom-dark: #000000;
JSON
{
  "hex": "#21adca",
  "rgb": {
    "r": 33,
    "g": 173,
    "b": 202
  },
  "hsl": {
    "h": 190.296,
    "s": 71.915,
    "l": 46.078
  },
  "oklch": {
    "l": 0.69112,
    "c": 0.11682,
    "h": 216.4
  },
  "luminance": 0.34475
}

Semantic roles & 50–950 ramp

primary
#21ADCA
secondary
#D28575
accent
#5839EF
background
#F8FCFD
surface
#F0F8FA
border
#CBD1D3
text
#0B1314
muted
#7C8283

Preview Lab

Preview with #21ADCA

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

Preview Lab → · Contrast checker → · Palette generator →

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