#21A7CA#21A7CA

#21A7CA is a light, moderate cyan. Relative luminance 0.322; OKLCH L 67.7% C 0.117 H 221.1°. Best body text is #000000 at 7.44:1 contrast (WCAG AA passes).

Color values

HEX#21A7CA
RGBrgb(33, 167, 202)
HSLhsl(192, 72%, 46%)
HSVhsv(192, 84%, 79%)
CMYKcmyk(83.7%, 17.3%, 0%, 20.8%)
CIE-LABlab(63.53, -21.99, -27.55)
CIE-LCHlch(63.53, 35.25, 231.40°)
OKLaboklab(67.66% -0.0885 -0.0772)
OKLCHoklch(67.66% 0.117 221.1)
XYZxyz(25.1021, 32.2218, 60.7621)
Luminance0.3222 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21A7CA #CA4421
analogous
#21CA98 #21A7CA #2152CA
triadic
#21A7CA #CA21A7 #A7CA21
tetradic
#21A7CA #9821CA #CA4421 #52CA21
square
#21A7CA #9821CA #CA4421 #52CA21
split-complementary
#21A7CA #CA2152 #CA9821
monochromatic
#105061 #187C95 #21A7CA #47C1E1 #7CD3EA

Accessibility & contrast

On white

2.82
#21A7CA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.44
#21A7CA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21A7CA
7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21A7CA#FFFFFF#000000##000000
##21A7CA1.002.827.447.44
#FFFFFF2.821.0021.0021.00
#0000007.4421.001.001.00
##0000007.4421.001.001.00

Color blindness preview

Protanopia (red-blind)
#92A3CC
Deuteranopia (green-blind)
#7D93CA
Tritanopia (blue-blind)
#00B2B2
Achromatopsia (no color)
#9A9A9A

Design tokens & code

CSS
--color: #21a7ca;
/* rgb */ color: rgb(33, 167, 202);
/* oklch */ color: oklch(67.7% 0.117 221.1);
Tailwind
colors: {
  custom: {
    50: '#7cc1da',
    500: '#21a7ca',
    950: '#000000',
  },
}
SCSS
$custom: #21a7ca;
$custom-light: #7cc1da;
$custom-dark: #000000;
JSON
{
  "hex": "#21a7ca",
  "rgb": {
    "r": 33,
    "g": 167,
    "b": 202
  },
  "hsl": {
    "h": 192.426,
    "s": 71.915,
    "l": 46.078
  },
  "oklch": {
    "l": 0.67655,
    "c": 0.11747,
    "h": 221.1
  },
  "luminance": 0.32225
}

Semantic roles & 50–950 ramp

primary
#21A7CA
secondary
#D28875
accent
#5F39EF
background
#F8FBFD
surface
#EFF7FA
border
#CAD0D3
text
#0B1214
muted
#7C8183

Preview Lab

Preview with #21A7CA

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

Preview Lab → · Contrast checker → · Palette generator →

#21A7CA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva