#21A5AF#21A5AF

#21A5AF is a light, moderate teal. Relative luminance 0.303; OKLCH L 66.0% C 0.106 H 203.0°. Best body text is #000000 at 7.07:1 contrast (WCAG AA passes).

Color values

HEX#21A5AF
RGBrgb(33, 165, 175)
HSLhsl(184, 68%, 41%)
HSVhsv(184, 81%, 69%)
CMYKcmyk(81.1%, 5.7%, 0%, 31.4%)
CIE-LABlab(61.93, -29.78, -14.88)
CIE-LCHlch(61.93, 33.30, 206.55°)
OKLaboklab(66.05% -0.0977 -0.0414)
OKLCHoklch(66.05% 0.106 203)
XYZxyz(21.8167, 30.3260, 45.2528)
Luminance0.3033 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21A5AF #AF2B21
analogous
#21AF72 #21A5AF #215EAF
triadic
#21A5AF #AF21A5 #A5AF21
tetradic
#21A5AF #7221AF #AF2B21 #5EAF21
square
#21A5AF #7221AF #AF2B21 #5EAF21
split-complementary
#21A5AF #AF215E #AF7221
monochromatic
#0E4448 #17747C #21A5AF #34CDD9 #68DAE3

Accessibility & contrast

On white

2.97
#21A5AF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.07
#21A5AF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21A5AF
7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21A5AF#FFFFFF#000000##000000
##21A5AF1.002.977.077.07
#FFFFFF2.971.0021.0021.00
#0000007.0721.001.001.00
##0000007.0721.001.001.00

Color blindness preview

Protanopia (red-blind)
#979EB0
Deuteranopia (green-blind)
#8490AF
Tritanopia (blue-blind)
#00ACA8
Achromatopsia (no color)
#969696

Design tokens & code

CSS
--color: #21a5af;
/* rgb */ color: rgb(33, 165, 175);
/* oklch */ color: oklch(66.0% 0.106 203.0);
Tailwind
colors: {
  custom: {
    50: '#78c0c6',
    500: '#21a5af',
    950: '#000000',
  },
}
SCSS
$custom: #21a5af;
$custom-light: #78c0c6;
$custom-dark: #000000;
JSON
{
  "hex": "#21a5af",
  "rgb": {
    "r": 33,
    "g": 165,
    "b": 175
  },
  "hsl": {
    "h": 184.225,
    "s": 68.269,
    "l": 40.784
  },
  "oklch": {
    "l": 0.66046,
    "c": 0.1061,
    "h": 203
  },
  "luminance": 0.30329
}

Semantic roles & 50–950 ramp

primary
#21A5AF
secondary
#C86B64
accent
#493DEB
background
#F8FBFC
surface
#EFF7F8
border
#CAD0D1
text
#0A1213
muted
#7C8182

Preview Lab

Preview with #21A5AF

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

Preview Lab → · Contrast checker → · Palette generator →

#21A5AF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva