#213637#213637

#213637 is a dark, muted teal. Relative luminance 0.032; OKLCH L 31.6% C 0.027 H 199.7°. Best body text is #FFFFFF at 12.75:1 contrast (WCAG AA passes).

Color values

HEX#213637
RGBrgb(33, 54, 55)
HSLhsl(183, 25%, 17%)
HSVhsv(183, 40%, 22%)
CMYKcmyk(40%, 1.8%, 0%, 78.4%)
CIE-LABlab(20.97, -8.01, -3.29)
CIE-LCHlch(20.97, 8.66, 202.33°)
OKLaboklab(31.57% -0.0252 -0.009)
OKLCHoklch(31.57% 0.027 199.7)
XYZxyz(2.6357, 3.2373, 4.0997)
Luminance0.0324 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#213637 #372221
analogous
#21372D #213637 #212B37
triadic
#213637 #372136 #363721
tetradic
#213637 #2D2137 #372221 #2B3721
square
#213637 #2D2137 #372221 #2B3721
split-complementary
#213637 #37212B #372D21
monochromatic
#0B1313 #0B1313 #213637 #385C5D #4F8184

Accessibility & contrast

On white

12.75
#213637 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.65
#213637 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213637
12.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##213637#FFFFFF#000000##FFFFFF
##2136371.0012.751.6512.75
#FFFFFF12.751.0021.001.00
#0000001.6521.001.0021.00
##FFFFFF12.751.0021.001.00

Color blindness preview

Protanopia (red-blind)
#333437
Deuteranopia (green-blind)
#2F3137
Tritanopia (blue-blind)
#193736
Achromatopsia (no color)
#323232

Design tokens & code

CSS
--color: #213637;
/* rgb */ color: rgb(33, 54, 55);
/* oklch */ color: oklch(31.6% 0.027 199.7);
Tailwind
colors: {
  custom: {
    50: '#5d6d6d',
    500: '#213637',
    950: '#000000',
  },
}
SCSS
$custom: #213637;
$custom-light: #5d6d6d;
$custom-dark: #000000;
JSON
{
  "hex": "#213637",
  "rgb": {
    "r": 33,
    "g": 54,
    "b": 55
  },
  "hsl": {
    "h": 182.727,
    "s": 25,
    "l": 17.255
  },
  "oklch": {
    "l": 0.31568,
    "c": 0.02679,
    "h": 199.7
  },
  "luminance": 0.03238
}

Semantic roles & 50–950 ramp

primary
#213637
secondary
#6A4C4A
accent
#6B66C1
background
#F5F6F6
surface
#E9EBEB
border
#C5C6C6
text
#040707
muted
#797A7A

Preview Lab

Preview with #213637

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

Preview Lab → · Contrast checker → · Palette generator →

#213637 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva