#21A6C2#21A6C2

#21A6C2 is a light, moderate cyan. Relative luminance 0.315; OKLCH L 67.1% C 0.113 H 216.5°. Best body text is #000000 at 7.30:1 contrast (WCAG AA passes).

Color values

HEX#21A6C2
RGBrgb(33, 166, 194)
HSLhsl(190, 71%, 45%)
HSVhsv(190, 83%, 76%)
CMYKcmyk(83%, 14.4%, 0%, 23.9%)
CIE-LABlab(62.92, -24.15, -24.02)
CIE-LCHlch(62.92, 34.06, 224.86°)
OKLaboklab(67.06% -0.0907 -0.0672)
OKLCHoklch(67.06% 0.113 216.5)
XYZxyz(23.9968, 31.4878, 55.8415)
Luminance0.3149 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21A6C2 #C23D21
analogous
#21C28E #21A6C2 #2155C2
triadic
#21A6C2 #C221A6 #A6C221
tetradic
#21A6C2 #8E21C2 #C23D21 #55C221
square
#21A6C2 #8E21C2 #C23D21 #55C221
split-complementary
#21A6C2 #C22155 #C28E21
monochromatic
#0F4C59 #18798E #21A6C2 #41C3DF #76D4E8

Accessibility & contrast

On white

2.88
#21A6C2 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.30
#21A6C2 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21A6C2
7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21A6C2#FFFFFF#000000##000000
##21A6C21.002.887.307.30
#FFFFFF2.881.0021.0021.00
#0000007.3021.001.001.00
##0000007.3021.001.001.00

Color blindness preview

Protanopia (red-blind)
#93A1C4
Deuteranopia (green-blind)
#7F92C2
Tritanopia (blue-blind)
#00B0AF
Achromatopsia (no color)
#989898

Design tokens & code

CSS
--color: #21a6c2;
/* rgb */ color: rgb(33, 166, 194);
/* oklch */ color: oklch(67.1% 0.113 216.5);
Tailwind
colors: {
  custom: {
    50: '#7ac0d4',
    500: '#21a6c2',
    950: '#000000',
  },
}
SCSS
$custom: #21a6c2;
$custom-light: #7ac0d4;
$custom-dark: #000000;
JSON
{
  "hex": "#21a6c2",
  "rgb": {
    "r": 33,
    "g": 166,
    "b": 194
  },
  "hsl": {
    "h": 190.435,
    "s": 70.925,
    "l": 44.51
  },
  "oklch": {
    "l": 0.67064,
    "c": 0.1129,
    "h": 216.5
  },
  "luminance": 0.31491
}

Semantic roles & 50–950 ramp

primary
#21A6C2
secondary
#CF8070
accent
#593AEE
background
#F8FBFD
surface
#EFF7FA
border
#CAD0D3
text
#0B1214
muted
#7C8183

Preview Lab

Preview with #21A6C2

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

Preview Lab → · Contrast checker → · Palette generator →

#21A6C2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva