#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
RGB	rgb(23, 53, 56)
HSL	hsl(185, 42%, 15%)
HSV	hsv(185, 59%, 22%)
CMYK	cmyk(58.9%, 5.4%, 0%, 78%)
CIE-LAB	lab(20.10, -10.14, -5.33)
CIE-LCH	lch(20.10, 11.46, 207.73°)
OKLab	oklab(30.73% -0.033 -0.0147)
OKLCH	oklch(30.73% 0.036 204)
XYZ	xyz(2.3400, 3.0137, 4.1990)
Luminance	0.0301 (WCAG relative)
Temperature	cool
Family	teal

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
##173538	1.00	13.10	1.60	13.10
#FFFFFF	13.10	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.10	1.00	21.00	1.00

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 →