#173538#173538

#173538 is a dark, muted teal. Relative luminance 0.030; OKLCH L 30.7% C 0.036 H 204.0°. Best body text is #FFFFFF at 13.10:1 contrast (WCAG AA passes).

Color values

HEX#173538
RGBrgb(23, 53, 56)
HSLhsl(185, 42%, 15%)
HSVhsv(185, 59%, 22%)
CMYKcmyk(58.9%, 5.4%, 0%, 78%)
CIE-LABlab(20.10, -10.14, -5.33)
CIE-LCHlch(20.10, 11.46, 207.73°)
OKLaboklab(30.73% -0.033 -0.0147)
OKLCHoklch(30.73% 0.036 204)
XYZxyz(2.3400, 3.0137, 4.1990)
Luminance0.0301 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#173538 #381A17
analogous
#17382A #173538 #172438
triadic
#173538 #381735 #353817
tetradic
#173538 #2A1738 #381A17 #243817
square
#173538 #2A1738 #381A17 #243817
split-complementary
#173538 #381724 #382A17
monochromatic
#091516 #091516 #173538 #295E63 #3B878F

Accessibility & contrast

On white

13.10
#173538 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.60
#173538 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173538
13.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##173538#FFFFFF#000000##FFFFFF
##1735381.0013.101.6013.10
#FFFFFF13.101.0021.001.00
#0000001.6021.001.0021.00
##FFFFFF13.101.0021.001.00

Color blindness preview

Protanopia (red-blind)
#313338
Deuteranopia (green-blind)
#2C2F38
Tritanopia (blue-blind)
#033736
Achromatopsia (no color)
#313131

Design tokens & code

CSS
--color: #173538;
/* rgb */ color: rgb(23, 53, 56);
/* oklch */ color: oklch(30.7% 0.036 204.0);
Tailwind
colors: {
  custom: {
    50: '#576c6e',
    500: '#173538',
    950: '#000000',
  },
}
SCSS
$custom: #173538;
$custom-light: #576c6e;
$custom-dark: #000000;
JSON
{
  "hex": "#173538",
  "rgb": {
    "r": 23,
    "g": 53,
    "b": 56
  },
  "hsl": {
    "h": 185.455,
    "s": 41.772,
    "l": 15.49
  },
  "oklch": {
    "l": 0.30732,
    "c": 0.03612,
    "h": 204
  },
  "luminance": 0.03014
}

Semantic roles & 50–950 ramp

primary
#173538
secondary
#6E413C
accent
#6156D2
background
#F5F6F6
surface
#E9EBEB
border
#C5C6C6
text
#030707
muted
#787A7A

Preview Lab

Preview with #173538

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

Preview Lab → · Contrast checker → · Palette generator →

#173538 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva