#21818E#21818E

#21818E is a mid, moderate teal. Relative luminance 0.180; OKLCH L 55.6% C 0.087 H 208.5°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX#21818E
RGBrgb(33, 129, 142)
HSLhsl(187, 62%, 34%)
HSVhsv(187, 77%, 56%)
CMYKcmyk(76.8%, 9.2%, 0%, 44.3%)
CIE-LABlab(49.47, -22.22, -14.84)
CIE-LCHlch(49.47, 26.72, 213.73°)
OKLaboklab(55.57% -0.0761 -0.0413)
OKLCHoklch(55.57% 0.087 208.5)
XYZxyz(13.3578, 17.9752, 28.3515)
Luminance0.1798 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21818E #8E2E21
analogous
#218E65 #21818E #214B8E
triadic
#21818E #8E2181 #818E21
tetradic
#21818E #65218E #8E2E21 #4B8E21
square
#21818E #65218E #8E2E21 #4B8E21
split-complementary
#21818E #8E214B #8E6521
monochromatic
#0A272B #15545C #21818E #2DAEC0 #52C7D7

Accessibility & contrast

On white

4.57
#21818E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.60
#21818E on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21818E
4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21818E#FFFFFF#000000##000000
##21818E1.004.574.604.60
#FFFFFF4.571.0021.0021.00
#0000004.6021.001.001.00
##0000004.6021.001.001.00

Color blindness preview

Protanopia (red-blind)
#757C8F
Deuteranopia (green-blind)
#66718E
Tritanopia (blue-blind)
#008785
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #21818e;
/* rgb */ color: rgb(33, 129, 142);
/* oklch */ color: oklch(55.6% 0.087 208.5);
Tailwind
colors: {
  custom: {
    50: '#6fa6af',
    500: '#21818e',
    950: '#000000',
  },
}
SCSS
$custom: #21818e;
$custom-light: #6fa6af;
$custom-dark: #000000;
JSON
{
  "hex": "#21818e",
  "rgb": {
    "r": 33,
    "g": 129,
    "b": 142
  },
  "hsl": {
    "h": 187.156,
    "s": 62.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.55573,
    "c": 0.08655,
    "h": 208.5
  },
  "luminance": 0.17977
}

Semantic roles & 50–950 ramp

primary
#21818E
secondary
#BA5D50
accent
#5642E5
background
#F7FAFA
surface
#EDF4F4
border
#C8CECE
text
#080F10
muted
#7B7F7F

Preview Lab

Preview with #21818E

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

Preview Lab → · Contrast checker → · Palette generator →

#21818E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva