#21756E#21756E

#21756E is a mid, moderate teal. Relative luminance 0.142; OKLCH L 51.2% C 0.079 H 186.9°. Best body text is #FFFFFF at 5.48:1 contrast (WCAG AA passes).

Color values

HEX#21756E
RGBrgb(33, 117, 110)
HSLhsl(175, 56%, 29%)
HSVhsv(175, 72%, 46%)
CMYKcmyk(71.8%, 0%, 6%, 54.1%)
CIE-LABlab(44.48, -26.20, -3.36)
CIE-LCHlch(44.48, 26.42, 187.30°)
OKLaboklab(51.17% -0.0781 -0.0095)
OKLCHoklch(51.17% 0.079 186.9)
XYZxyz(9.8016, 14.1706, 16.9674)
Luminance0.1417 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21756E #752128
analogous
#217544 #21756E #215275
triadic
#21756E #6E2175 #756E21
tetradic
#21756E #442175 #752128 #527521
square
#21756E #442175 #752128 #527521
split-complementary
#21756E #752152 #754421
monochromatic
#071816 #144541 #21756E #2EA59B #46CBC0

Accessibility & contrast

On white

5.48
#21756E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.83
#21756E on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21756E
5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21756E#FFFFFF#000000##FFFFFF
##21756E1.005.483.835.48
#FFFFFF5.481.0021.001.00
#0000003.8321.001.0021.00
##FFFFFF5.481.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6F6E6E
Deuteranopia (green-blind)
#62656F
Tritanopia (blue-blind)
#007873
Achromatopsia (no color)
#696969

Design tokens & code

CSS
--color: #21756e;
/* rgb */ color: rgb(33, 117, 110);
/* oklch */ color: oklch(51.2% 0.079 186.9);
Tailwind
colors: {
  custom: {
    50: '#6a9d97',
    500: '#21756e',
    950: '#000000',
  },
}
SCSS
$custom: #21756e;
$custom-light: #6a9d97;
$custom-dark: #000000;
JSON
{
  "hex": "#21756e",
  "rgb": {
    "r": 33,
    "g": 117,
    "b": 110
  },
  "hsl": {
    "h": 175,
    "s": 56,
    "l": 29.412
  },
  "oklch": {
    "l": 0.5117,
    "c": 0.07867,
    "h": 186.9
  },
  "luminance": 0.14172
}

Semantic roles & 50–950 ramp

primary
#21756E
secondary
#A84A51
accent
#4955DF
background
#F6F9F9
surface
#ECF2F2
border
#C7CCCC
text
#070E0D
muted
#7A7E7E

Preview Lab

Preview with #21756E

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

Preview Lab → · Contrast checker → · Palette generator →

#21756E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva