#21808C#21808C

#21808C is a mid, moderate teal. Relative luminance 0.177; OKLCH L 55.2% C 0.086 H 207.6°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX#21808C
RGBrgb(33, 128, 140)
HSLhsl(187, 62%, 34%)
HSVhsv(187, 76%, 55%)
CMYKcmyk(76.4%, 8.6%, 0%, 45.1%)
CIE-LABlab(49.07, -22.36, -14.26)
CIE-LCHlch(49.07, 26.52, 212.54°)
OKLaboklab(55.23% -0.0759 -0.0397)
OKLCHoklch(55.23% 0.086 207.6)
XYZxyz(13.0779, 17.6535, 27.5241)
Luminance0.1766 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21808C #8C2D21
analogous
#218C63 #21808C #214B8C
triadic
#21808C #8C2180 #808C21
tetradic
#21808C #63218C #8C2D21 #4B8C21
square
#21808C #63218C #8C2D21 #4B8C21
split-complementary
#21808C #8C214B #8C6321
monochromatic
#0A2529 #15535A #21808C #2DADBE #51C7D6

Accessibility & contrast

On white

4.63
#21808C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.53
#21808C on #000000
AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #21808C
4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21808C#FFFFFF#000000##FFFFFF
##21808C1.004.634.534.63
#FFFFFF4.631.0021.001.00
#0000004.5321.001.0021.00
##FFFFFF4.631.0021.001.00

Color blindness preview

Protanopia (red-blind)
#747B8D
Deuteranopia (green-blind)
#66708C
Tritanopia (blue-blind)
#008684
Achromatopsia (no color)
#757575

Design tokens & code

CSS
--color: #21808c;
/* rgb */ color: rgb(33, 128, 140);
/* oklch */ color: oklch(55.2% 0.086 207.6);
Tailwind
colors: {
  custom: {
    50: '#6fa5ad',
    500: '#21808c',
    950: '#000000',
  },
}
SCSS
$custom: #21808c;
$custom-light: #6fa5ad;
$custom-dark: #000000;
JSON
{
  "hex": "#21808c",
  "rgb": {
    "r": 33,
    "g": 128,
    "b": 140
  },
  "hsl": {
    "h": 186.729,
    "s": 61.85,
    "l": 33.922
  },
  "oklch": {
    "l": 0.55232,
    "c": 0.08565,
    "h": 207.6
  },
  "luminance": 0.17655
}

Semantic roles & 50–950 ramp

primary
#21808C
secondary
#B95B4F
accent
#5543E5
background
#F7FAFA
surface
#EDF4F4
border
#C8CECE
text
#080F10
muted
#7B7F7F

Preview Lab

Preview with #21808C

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

Preview Lab → · Contrast checker → · Palette generator →

#21808C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva