#173B33#173B33

#173B33 is a dark, muted teal. Relative luminance 0.035; OKLCH L 32.3% C 0.044 H 176.7°. Best body text is #FFFFFF at 12.28:1 contrast (WCAG AA passes).

Color values

HEX	#173B33
RGB	rgb(23, 59, 51)
HSL	hsl(167, 44%, 16%)
HSV	hsv(167, 61%, 23%)
CMYK	cmyk(61%, 0%, 13.6%, 76.9%)
CIE-LAB	lab(22.12, -15.32, 1.04)
CIE-LCH	lch(22.12, 15.36, 176.12°)
OKLab	oklab(32.31% -0.0441 0.0025)
OKLCH	oklch(32.31% 0.044 176.7)
XYZ	xyz(2.5146, 3.5489, 3.6838)
Luminance	0.0355 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173B33 #3B171F

analogous

#173B21 #173B33 #17313B

triadic

#173B33 #33173B #3B3317

tetradic

#173B33 #21173B #3B171F #313B17

square

#173B33 #21173B #3B171F #313B17

split-complementary

#173B33 #3B1731 #3B2117

monochromatic

#091613 #091613 #173B33 #286759 #39937F

Accessibility & contrast

On white

12.28

#173B33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#173B33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173B33

12.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173B33	#FFFFFF	#000000	##FFFFFF
##173B33	1.00	12.28	1.71	12.28
#FFFFFF	12.28	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393733

Deuteranopia (green-blind)

#333334

Tritanopia (blue-blind)

#053C39

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #173b33;
/* rgb */ color: rgb(23, 59, 51);
/* oklch */ color: oklch(32.3% 0.044 176.7);

Tailwind

colors: {
  custom: {
    50: '#58716a',
    500: '#173b33',
    950: '#000000',
  },
}

SCSS

$custom: #173b33;
$custom-light: #58716a;
$custom-dark: #000000;

JSON

{
  "hex": "#173b33",
  "rgb": {
    "r": 23,
    "g": 59,
    "b": 51
  },
  "hsl": {
    "h": 166.667,
    "s": 43.902,
    "l": 16.078
  },
  "oklch": {
    "l": 0.32306,
    "c": 0.04413,
    "h": 176.7
  },
  "luminance": 0.03549
}

Semantic roles & 50–950 ramp

primary

#173B33

secondary

#723C48

accent

#5470D4

background

#F5F6F6

surface

#E9ECEB

border

#C5C7C6

text

#030706

muted

#787A7A

Preview Lab

Preview with #173B33

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

Preview Lab → · Contrast checker → · Palette generator →