#21A491#21A491

#21A491 is a light, moderate teal. Relative luminance 0.289; OKLCH L 64.7% C 0.110 H 180.1°. Best body text is #000000 at 6.78:1 contrast (WCAG AA passes).

Color values

HEX#21A491
RGBrgb(33, 164, 145)
HSLhsl(171, 66%, 39%)
HSVhsv(171, 80%, 64%)
CMYKcmyk(79.9%, 0%, 11.6%, 35.7%)
CIE-LABlab(60.71, -38.23, 0.17)
CIE-LCHlch(60.71, 38.23, 179.74°)
OKLaboklab(64.74% -0.1104 -0.0002)
OKLCHoklch(64.74% 0.11 180.1)
XYZxyz(19.0109, 28.9162, 31.3620)
Luminance0.2892 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21A491 #A42134
analogous
#21A44F #21A491 #2175A4
triadic
#21A491 #9121A4 #A49121
tetradic
#21A491 #4F21A4 #A42134 #75A421
square
#21A491 #4F21A4 #A42134 #75A421
split-complementary
#21A491 #A42175 #A44F21
monochromatic
#0C3E37 #177164 #21A491 #2DD5BD #60DFCD

Accessibility & contrast

On white

3.10
#21A491 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.78
#21A491 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21A491
6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21A491#FFFFFF#000000##000000
##21A4911.003.106.786.78
#FFFFFF3.101.0021.0021.00
#0000006.7821.001.001.00
##0000006.7821.001.001.00

Color blindness preview

Protanopia (red-blind)
#9D9A90
Deuteranopia (green-blind)
#8C8D93
Tritanopia (blue-blind)
#00A79E
Achromatopsia (no color)
#929292

Design tokens & code

CSS
--color: #21a491;
/* rgb */ color: rgb(33, 164, 145);
/* oklch */ color: oklch(64.7% 0.110 180.1);
Tailwind
colors: {
  custom: {
    50: '#75c0b1',
    500: '#21a491',
    950: '#000000',
  },
}
SCSS
$custom: #21a491;
$custom-light: #75c0b1;
$custom-dark: #000000;
JSON
{
  "hex": "#21a491",
  "rgb": {
    "r": 33,
    "g": 164,
    "b": 145
  },
  "hsl": {
    "h": 171.298,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.64744,
    "c": 0.11044,
    "h": 180.1
  },
  "luminance": 0.28919
}

Semantic roles & 50–950 ramp

primary
#21A491
secondary
#C45D6C
accent
#3E57E9
background
#F7FBFA
surface
#EEF7F5
border
#C9D0CF
text
#0A1210
muted
#7C817F

Preview Lab

Preview with #21A491

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

Preview Lab → · Contrast checker → · Palette generator →

#21A491 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva