#173237#173237

#173237 is a dark, muted teal. Relative luminance 0.027; OKLCH L 29.8% C 0.034 H 210.9°. Best body text is #FFFFFF at 13.57:1 contrast (WCAG AA passes).

Color values

HEX	#173237
RGB	rgb(23, 50, 55)
HSL	hsl(189, 41%, 15%)
HSV	hsv(189, 58%, 22%)
CMYK	cmyk(58.2%, 9.1%, 0%, 78.4%)
CIE-LAB	lab(18.97, -8.59, -6.35)
CIE-LCH	lch(18.97, 10.68, 216.48°)
OKLab	oklab(29.81% -0.0292 -0.0175)
OKLCH	oklch(29.81% 0.034 210.9)
XYZ	xyz(2.1833, 2.7390, 4.0273)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173237 #371C17

analogous

#17372C #173237 #172237

triadic

#173237 #371732 #323717

tetradic

#173237 #2C1737 #371C17 #223717

square

#173237 #2C1737 #371C17 #223717

split-complementary

#173237 #371722 #372C17

monochromatic

#091416 #091416 #173237 #295962 #3B808D

Accessibility & contrast

On white

13.57

#173237 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#173237 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173237

13.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173237	#FFFFFF	#000000	##FFFFFF
##173237	1.00	13.57	1.55	13.57
#FFFFFF	13.57	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E3037

Deuteranopia (green-blind)

#292C37

Tritanopia (blue-blind)

#053433

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #173237;
/* rgb */ color: rgb(23, 50, 55);
/* oklch */ color: oklch(29.8% 0.034 210.9);

Tailwind

colors: {
  custom: {
    50: '#576a6d',
    500: '#173237',
    950: '#000000',
  },
}

SCSS

$custom: #173237;
$custom-light: #576a6d;
$custom-dark: #000000;

JSON

{
  "hex": "#173237",
  "rgb": {
    "r": 23,
    "g": 50,
    "b": 55
  },
  "hsl": {
    "h": 189.375,
    "s": 41.026,
    "l": 15.294
  },
  "oklch": {
    "l": 0.29811,
    "c": 0.03408,
    "h": 210.9
  },
  "luminance": 0.02739
}

Semantic roles & 50–950 ramp

primary

#173237

secondary

#6D443D

accent

#6A57D1

background

#F5F6F6

surface

#E9EBEB

border

#C5C6C6

text

#030607

muted

#787A7A

Preview Lab

Preview with #173237

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

Preview Lab → · Contrast checker → · Palette generator →