#173333#173333

#173333 is a dark, muted teal. Relative luminance 0.028; OKLCH L 29.9% C 0.034 H 195.5°. Best body text is #FFFFFF at 13.48:1 contrast (WCAG AA passes).

Color values

HEX	#173333
RGB	rgb(23, 51, 51)
HSL	hsl(180, 38%, 15%)
HSV	hsv(180, 55%, 20%)
CMYK	cmyk(54.9%, 0%, 0%, 80%)
CIE-LAB	lab(19.18, -10.56, -3.29)
CIE-LCH	lch(19.18, 11.06, 197.29°)
OKLab	oklab(29.93% -0.0327 -0.0091)
OKLCH	oklch(29.93% 0.034 195.5)
XYZ	xyz(2.1345, 2.7886, 3.5571)
Luminance	0.0279 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173333 #331717

analogous

#173325 #173333 #172533

triadic

#173333 #331733 #333317

tetradic

#173333 #251733 #331717 #253317

square

#173333 #251733 #331717 #253317

split-complementary

#173333 #331725 #332517

monochromatic

#0A1515 #0A1515 #173333 #2A5D5D #3D8787

Accessibility & contrast

On white

13.48

#173333 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#173333 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173333

13.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173333	#FFFFFF	#000000	##FFFFFF
##173333	1.00	13.48	1.56	13.48
#FFFFFF	13.48	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#303133

Deuteranopia (green-blind)

#2B2D33

Tritanopia (blue-blind)

#083533

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #173333;
/* rgb */ color: rgb(23, 51, 51);
/* oklch */ color: oklch(29.9% 0.034 195.5);

Tailwind

colors: {
  custom: {
    50: '#576a6a',
    500: '#173333',
    950: '#000000',
  },
}

SCSS

$custom: #173333;
$custom-light: #576a6a;
$custom-dark: #000000;

JSON

{
  "hex": "#173333",
  "rgb": {
    "r": 23,
    "g": 51,
    "b": 51
  },
  "hsl": {
    "h": 180,
    "s": 37.838,
    "l": 14.51
  },
  "oklch": {
    "l": 0.29928,
    "c": 0.03397,
    "h": 195.5
  },
  "luminance": 0.02789
}

Semantic roles & 50–950 ramp

primary

#173333

secondary

#693D3D

accent

#5A5ACE

background

#F5F6F6

surface

#E9EBEB

border

#C5C6C6

text

#030606

muted

#787A7A

Preview Lab

Preview with #173333

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

Preview Lab → · Contrast checker → · Palette generator →