#173633#173633

#173633 is a dark, muted teal. Relative luminance 0.031; OKLCH L 30.8% C 0.037 H 187.2°. Best body text is #FFFFFF at 13.03:1 contrast (WCAG AA passes).

Color values

HEX	#173633
RGB	rgb(23, 54, 51)
HSL	hsl(174, 40%, 15%)
HSV	hsv(174, 57%, 21%)
CMYK	cmyk(57.4%, 0%, 5.6%, 78.8%)
CIE-LAB	lab(20.28, -12.39, -1.65)
CIE-LCH	lch(20.28, 12.50, 187.60°)
OKLab	oklab(30.82% -0.037 -0.0046)
OKLCH	oklch(30.82% 0.037 187.2)
XYZ	xyz(2.2698, 3.0593, 3.6022)
Luminance	0.0306 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173633 #36171A

analogous

#173624 #173633 #172936

triadic

#173633 #331736 #363317

tetradic

#173633 #241736 #36171A #293617

square

#173633 #241736 #36171A #293617

split-complementary

#173633 #361729 #362417

monochromatic

#091514 #091514 #173633 #29615C #3C8C84

Accessibility & contrast

On white

13.03

#173633 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#173633 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173633

13.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173633	#FFFFFF	#000000	##FFFFFF
##173633	1.00	13.03	1.61	13.03
#FFFFFF	13.03	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333333

Deuteranopia (green-blind)

#2E2F33

Tritanopia (blue-blind)

#073735

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #173633;
/* rgb */ color: rgb(23, 54, 51);
/* oklch */ color: oklch(30.8% 0.037 187.2);

Tailwind

colors: {
  custom: {
    50: '#576d6a',
    500: '#173633',
    950: '#000000',
  },
}

SCSS

$custom: #173633;
$custom-light: #576d6a;
$custom-dark: #000000;

JSON

{
  "hex": "#173633",
  "rgb": {
    "r": 23,
    "g": 54,
    "b": 51
  },
  "hsl": {
    "h": 174.194,
    "s": 40.26,
    "l": 15.098
  },
  "oklch": {
    "l": 0.30817,
    "c": 0.03734,
    "h": 187.2
  },
  "luminance": 0.0306
}

Semantic roles & 50–950 ramp

primary

#173633

secondary

#6C3D41

accent

#5863D0

background

#F5F6F6

surface

#E9EBEB

border

#C5C6C6

text

#030706

muted

#787A7A

Preview Lab

Preview with #173633

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

Preview Lab → · Contrast checker → · Palette generator →