#173D3B#173D3B

#173D3B is a dark, muted teal. Relative luminance 0.038; OKLCH L 33.2% C 0.043 H 190.6°. Best body text is #FFFFFF at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#173D3B
RGB	rgb(23, 61, 59)
HSL	hsl(177, 45%, 16%)
HSV	hsv(177, 62%, 24%)
CMYK	cmyk(62.3%, 0%, 3.3%, 76.1%)
CIE-LAB	lab(23.12, -13.99, -2.86)
CIE-LCH	lch(23.12, 14.28, 191.54°)
OKLab	oklab(33.2% -0.0424 -0.0079)
OKLCH	oklch(33.2% 0.043 190.6)
XYZ	xyz(2.8112, 3.8351, 4.7289)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173D3B #3D1719

analogous

#173D28 #173D3B #172C3D

triadic

#173D3B #3B173D #3D3B17

tetradic

#173D3B #28173D #3D1719 #2C3D17

square

#173D3B #28173D #3D1719 #2C3D17

split-complementary

#173D3B #3D172C #3D2817

monochromatic

#081615 #081615 #173D3B #286966 #399691

Accessibility & contrast

On white

11.88

#173D3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#173D3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173D3B

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173D3B	#FFFFFF	#000000	##FFFFFF
##173D3B	1.00	11.88	1.77	11.88
#FFFFFF	11.88	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393A3B

Deuteranopia (green-blind)

#33353B

Tritanopia (blue-blind)

#003F3C

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #173d3b;
/* rgb */ color: rgb(23, 61, 59);
/* oklch */ color: oklch(33.2% 0.043 190.6);

Tailwind

colors: {
  custom: {
    50: '#597270',
    500: '#173d3b',
    950: '#000000',
  },
}

SCSS

$custom: #173d3b;
$custom-light: #597270;
$custom-dark: #000000;

JSON

{
  "hex": "#173d3b",
  "rgb": {
    "r": 23,
    "g": 61,
    "b": 59
  },
  "hsl": {
    "h": 176.842,
    "s": 45.238,
    "l": 16.471
  },
  "oklch": {
    "l": 0.33203,
    "c": 0.04317,
    "h": 190.6
  },
  "luminance": 0.03835
}

Semantic roles & 50–950 ramp

primary

#173D3B

secondary

#743C3F

accent

#535AD5

background

#F5F6F6

surface

#E9ECEC

border

#C5C7C7

text

#040807

muted

#797B7A

Preview Lab

Preview with #173D3B

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

Preview Lab → · Contrast checker → · Palette generator →