#21A4BD#21A4BD

#21A4BD is a light, moderate teal. Relative luminance 0.305; OKLCH L 66.4% C 0.110 H 214.6°. Best body text is #000000 at 7.11:1 contrast (WCAG AA passes).

Color values

HEX#21A4BD
RGBrgb(33, 164, 189)
HSLhsl(190, 70%, 44%)
HSVhsv(190, 83%, 74%)
CMYKcmyk(82.5%, 13.2%, 0%, 25.9%)
CIE-LABlab(62.12, -24.78, -22.45)
CIE-LCHlch(62.12, 33.43, 222.18°)
OKLaboklab(66.36% -0.0908 -0.0627)
OKLCHoklch(66.36% 0.11 214.6)
XYZxyz(23.0840, 30.5454, 52.8135)
Luminance0.3055 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21A4BD #BD3A21
analogous
#21BD88 #21A4BD #2156BD
triadic
#21A4BD #BD21A4 #A4BD21
tetradic
#21A4BD #8821BD #BD3A21 #56BD21
square
#21A4BD #8821BD #BD3A21 #56BD21
split-complementary
#21A4BD #BD2156 #BD8821
monochromatic
#0F4A55 #187789 #21A4BD #3EC4DD #72D4E6

Accessibility & contrast

On white

2.95
#21A4BD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.11
#21A4BD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21A4BD
7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21A4BD#FFFFFF#000000##000000
##21A4BD1.002.957.117.11
#FFFFFF2.951.0021.0021.00
#0000007.1121.001.001.00
##0000007.1121.001.001.00

Color blindness preview

Protanopia (red-blind)
#929EBE
Deuteranopia (green-blind)
#7E90BD
Tritanopia (blue-blind)
#00ADAC
Achromatopsia (no color)
#969696

Design tokens & code

CSS
--color: #21a4bd;
/* rgb */ color: rgb(33, 164, 189);
/* oklch */ color: oklch(66.4% 0.110 214.6);
Tailwind
colors: {
  custom: {
    50: '#79bfd1',
    500: '#21a4bd',
    950: '#000000',
  },
}
SCSS
$custom: #21a4bd;
$custom-light: #79bfd1;
$custom-dark: #000000;
JSON
{
  "hex": "#21a4bd",
  "rgb": {
    "r": 33,
    "g": 164,
    "b": 189
  },
  "hsl": {
    "h": 189.615,
    "s": 70.27,
    "l": 43.529
  },
  "oklch": {
    "l": 0.66361,
    "c": 0.11039,
    "h": 214.6
  },
  "luminance": 0.30548
}

Semantic roles & 50–950 ramp

primary
#21A4BD
secondary
#CD7C6D
accent
#573BED
background
#F8FBFC
surface
#EFF7F9
border
#CAD0D2
text
#0B1214
muted
#7C8182

Preview Lab

Preview with #21A4BD

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

Preview Lab → · Contrast checker → · Palette generator →

#21A4BD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva