#21828E#21828E

#21828E is a mid, moderate teal. Relative luminance 0.182; OKLCH L 55.8% C 0.087 H 207.4°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX#21828E
RGBrgb(33, 130, 142)
HSLhsl(187, 62%, 34%)
HSVhsv(187, 77%, 56%)
CMYKcmyk(76.8%, 8.5%, 0%, 44.3%)
CIE-LABlab(49.79, -22.75, -14.36)
CIE-LCHlch(49.79, 26.90, 212.26°)
OKLaboklab(55.83% -0.0771 -0.0399)
OKLCHoklch(55.83% 0.087 207.4)
XYZxyz(13.4902, 18.2400, 28.3956)
Luminance0.1824 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21828E #8E2D21
analogous
#218E64 #21828E #214B8E
triadic
#21828E #8E2182 #828E21
tetradic
#21828E #64218E #8E2D21 #4B8E21
square
#21828E #64218E #8E2D21 #4B8E21
split-complementary
#21828E #8E214B #8E6421
monochromatic
#0A272B #15555C #21828E #2DAFC0 #52C8D7

Accessibility & contrast

On white

4.52
#21828E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.65
#21828E on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21828E
4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21828E#FFFFFF#000000##000000
##21828E1.004.524.654.65
#FFFFFF4.521.0021.0021.00
#0000004.6521.001.001.00
##0000004.6521.001.001.00

Color blindness preview

Protanopia (red-blind)
#767D8F
Deuteranopia (green-blind)
#67728E
Tritanopia (blue-blind)
#008886
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #21828e;
/* rgb */ color: rgb(33, 130, 142);
/* oklch */ color: oklch(55.8% 0.087 207.4);
Tailwind
colors: {
  custom: {
    50: '#6fa6af',
    500: '#21828e',
    950: '#000000',
  },
}
SCSS
$custom: #21828e;
$custom-light: #6fa6af;
$custom-dark: #000000;
JSON
{
  "hex": "#21828e",
  "rgb": {
    "r": 33,
    "g": 130,
    "b": 142
  },
  "hsl": {
    "h": 186.606,
    "s": 62.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.55832,
    "c": 0.08684,
    "h": 207.4
  },
  "luminance": 0.18242
}

Semantic roles & 50–950 ramp

primary
#21828E
secondary
#BA5C50
accent
#5442E5
background
#F7FAFA
surface
#EDF4F4
border
#C8CECE
text
#080F10
muted
#7B7F7F

Preview Lab

Preview with #21828E

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

Preview Lab → · Contrast checker → · Palette generator →

#21828E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva