#21AACA#21AACA

#21AACA is a light, moderate cyan. Relative luminance 0.333; OKLCH L 68.4% C 0.117 H 218.7°. Best body text is #000000 at 7.67:1 contrast (WCAG AA passes).

Color values

HEX#21AACA
RGBrgb(33, 170, 202)
HSLhsl(191, 72%, 46%)
HSVhsv(191, 84%, 79%)
CMYKcmyk(83.7%, 15.8%, 0%, 20.8%)
CIE-LABlab(64.43, -23.54, -26.15)
CIE-LCHlch(64.43, 35.19, 228.02°)
OKLaboklab(68.38% -0.0913 -0.0732)
OKLCHoklch(68.38% 0.117 218.7)
XYZxyz(25.6580, 33.3338, 60.9474)
Luminance0.3334 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21AACA #CA4121
analogous
#21CA95 #21AACA #2155CA
triadic
#21AACA #CA21AA #AACA21
tetradic
#21AACA #9521CA #CA4121 #55CA21
square
#21AACA #9521CA #CA4121 #55CA21
split-complementary
#21AACA #CA2155 #CA9521
monochromatic
#105161 #187E95 #21AACA #47C4E1 #7CD5EA

Accessibility & contrast

On white

2.74
#21AACA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.67
#21AACA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21AACA
7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21AACA#FFFFFF#000000##000000
##21AACA1.002.747.677.67
#FFFFFF2.741.0021.0021.00
#0000007.6721.001.001.00
##0000007.6721.001.001.00

Color blindness preview

Protanopia (red-blind)
#96A5CC
Deuteranopia (green-blind)
#8095CA
Tritanopia (blue-blind)
#00B5B4
Achromatopsia (no color)
#9C9C9C

Design tokens & code

CSS
--color: #21aaca;
/* rgb */ color: rgb(33, 170, 202);
/* oklch */ color: oklch(68.4% 0.117 218.7);
Tailwind
colors: {
  custom: {
    50: '#7cc3da',
    500: '#21aaca',
    950: '#000000',
  },
}
SCSS
$custom: #21aaca;
$custom-light: #7cc3da;
$custom-dark: #000000;
JSON
{
  "hex": "#21aaca",
  "rgb": {
    "r": 33,
    "g": 170,
    "b": 202
  },
  "hsl": {
    "h": 191.361,
    "s": 71.915,
    "l": 46.078
  },
  "oklch": {
    "l": 0.68383,
    "c": 0.11703,
    "h": 218.7
  },
  "luminance": 0.33337
}

Semantic roles & 50–950 ramp

primary
#21AACA
secondary
#D28775
accent
#5C39EF
background
#F8FCFD
surface
#F0F8FA
border
#CBD1D3
text
#0B1214
muted
#7C8183

Preview Lab

Preview with #21AACA

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

Preview Lab → · Contrast checker → · Palette generator →

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