#21888B#21888B

#21888B is a mid, moderate teal. Relative luminance 0.198; OKLCH L 57.3% C 0.089 H 197.9°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX#21888B
RGBrgb(33, 136, 139)
HSLhsl(182, 62%, 34%)
HSVhsv(182, 76%, 55%)
CMYKcmyk(76.3%, 2.2%, 0%, 45.5%)
CIE-LABlab(51.60, -26.78, -9.86)
CIE-LCHlch(51.60, 28.53, 200.22°)
OKLaboklab(57.27% -0.0847 -0.0274)
OKLCHoklch(57.27% 0.089 197.9)
XYZxyz(14.0894, 19.7940, 27.4991)
Luminance0.1980 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21888B #8B2421
analogous
#218B59 #21888B #21538B
triadic
#21888B #8B2188 #888B21
tetradic
#21888B #59218B #8B2421 #538B21
square
#21888B #59218B #8B2421 #538B21
split-complementary
#21888B #8B2153 #8B5921
monochromatic
#0A2728 #15585A #21888B #2DB8BC #51D2D6

Accessibility & contrast

On white

4.23
#21888B on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.96
#21888B on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21888B
4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21888B#FFFFFF#000000##000000
##21888B1.004.234.964.96
#FFFFFF4.231.0021.0021.00
#0000004.9621.001.001.00
##0000004.9621.001.001.00

Color blindness preview

Protanopia (red-blind)
#7E818B
Deuteranopia (green-blind)
#6F768C
Tritanopia (blue-blind)
#008D89
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #21888b;
/* rgb */ color: rgb(33, 136, 139);
/* oklch */ color: oklch(57.3% 0.089 197.9);
Tailwind
colors: {
  custom: {
    50: '#70abac',
    500: '#21888b',
    950: '#000000',
  },
}
SCSS
$custom: #21888b;
$custom-light: #70abac;
$custom-dark: #000000;
JSON
{
  "hex": "#21888b",
  "rgb": {
    "r": 33,
    "g": 136,
    "b": 139
  },
  "hsl": {
    "h": 181.698,
    "s": 61.628,
    "l": 33.725
  },
  "oklch": {
    "l": 0.57269,
    "c": 0.08901,
    "h": 197.9
  },
  "luminance": 0.19796
}

Semantic roles & 50–950 ramp

primary
#21888B
secondary
#B9524F
accent
#4843E5
background
#F7FAFA
surface
#EDF4F4
border
#C8CECE
text
#091010
muted
#7B7F7F

Preview Lab

Preview with #21888B

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

Preview Lab → · Contrast checker → · Palette generator →

#21888B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva