#21645B#21645B

#21645B is a mid, moderate teal. Relative luminance 0.102; OKLCH L 45.9% C 0.068 H 182.8°. Best body text is #FFFFFF at 6.91:1 contrast (WCAG AA passes).

Color values

HEX#21645B
RGBrgb(33, 100, 91)
HSLhsl(172, 50%, 26%)
HSVhsv(172, 67%, 39%)
CMYKcmyk(67%, 0%, 9%, 60.8%)
CIE-LABlab(38.19, -23.26, -1.09)
CIE-LCHlch(38.19, 23.29, 182.68°)
OKLaboklab(45.86% -0.0681 -0.0033)
OKLCHoklch(45.86% 0.068 182.8)
XYZxyz(7.0718, 10.1922, 11.4901)
Luminance0.1019 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21645B #64212A
analogous
#216439 #21645B #214B64
triadic
#21645B #5B2164 #645B21
tetradic
#21645B #392164 #64212A #4B6421
square
#21645B #392164 #64212A #4B6421
split-complementary
#21645B #64214B #643921
monochromatic
#081715 #123631 #21645B #309285 #40C0AF

Accessibility & contrast

On white

6.91
#21645B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.04
#21645B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21645B
6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21645B#FFFFFF#000000##FFFFFF
##21645B1.006.913.046.91
#FFFFFF6.911.0021.001.00
#0000003.0421.001.0021.00
##FFFFFF6.911.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5F5E5B
Deuteranopia (green-blind)
#55575C
Tritanopia (blue-blind)
#006661
Achromatopsia (no color)
#5A5A5A

Design tokens & code

CSS
--color: #21645b;
/* rgb */ color: rgb(33, 100, 91);
/* oklch */ color: oklch(45.9% 0.068 182.8);
Tailwind
colors: {
  custom: {
    50: '#669089',
    500: '#21645b',
    950: '#000000',
  },
}
SCSS
$custom: #21645b;
$custom-light: #669089;
$custom-dark: #000000;
JSON
{
  "hex": "#21645b",
  "rgb": {
    "r": 33,
    "g": 100,
    "b": 91
  },
  "hsl": {
    "h": 171.94,
    "s": 50.376,
    "l": 26.078
  },
  "oklch": {
    "l": 0.45861,
    "c": 0.06823,
    "h": 182.8
  },
  "luminance": 0.10193
}

Semantic roles & 50–950 ramp

primary
#21645B
secondary
#984953
accent
#4E61DA
background
#F6F8F8
surface
#EBF0F0
border
#C6CBCB
text
#060C0B
muted
#7A7D7C

Preview Lab

Preview with #21645B

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

Preview Lab → · Contrast checker → · Palette generator →

#21645B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva