#173A2D#173A2D

#173A2D is a dark, muted teal. Relative luminance 0.034; OKLCH L 31.8% C 0.047 H 166.6°. Best body text is #FFFFFF at 12.50:1 contrast (WCAG AA passes).

Color values

HEX	#173A2D
RGB	rgb(23, 58, 45)
HSL	hsl(158, 43%, 16%)
HSV	hsv(158, 60%, 23%)
CMYK	cmyk(60.3%, 0%, 22.4%, 77.3%)
CIE-LAB	lab(21.57, -16.49, 4.27)
CIE-LCH	lch(21.57, 17.03, 165.48°)
OKLab	oklab(31.8% -0.046 0.011)
OKLCH	oklch(31.8% 0.047 166.6)
XYZ	xyz(2.3398, 3.3975, 3.0146)
Luminance	0.0340 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173A2D #3A1724

analogous

#173A1B #173A2D #17353A

triadic

#173A2D #2D173A #3A2D17

tetradic

#173A2D #1B173A #3A1724 #353A17

square

#173A2D #1B173A #3A1724 #353A17

split-complementary

#173A2D #3A1735 #3A1B17

monochromatic

#091611 #091611 #173A2D #28664F #3A9271

Accessibility & contrast

On white

12.50

#173A2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#173A2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173A2D

12.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173A2D	#FFFFFF	#000000	##FFFFFF
##173A2D	1.00	12.50	1.68	12.50
#FFFFFF	12.50	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39362C

Deuteranopia (green-blind)

#33322E

Tritanopia (blue-blind)

#093A36

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #173a2d;
/* rgb */ color: rgb(23, 58, 45);
/* oklch */ color: oklch(31.8% 0.047 166.6);

Tailwind

colors: {
  custom: {
    50: '#577065',
    500: '#173a2d',
    950: '#000000',
  },
}

SCSS

$custom: #173a2d;
$custom-light: #577065;
$custom-dark: #000000;

JSON

{
  "hex": "#173a2d",
  "rgb": {
    "r": 23,
    "g": 58,
    "b": 45
  },
  "hsl": {
    "h": 157.714,
    "s": 43.21,
    "l": 15.882
  },
  "oklch": {
    "l": 0.318,
    "c": 0.04733,
    "h": 166.6
  },
  "luminance": 0.03398
}

Semantic roles & 50–950 ramp

primary

#173A2D

secondary

#713C50

accent

#5584D3

background

#F5F6F6

surface

#E9ECEB

border

#C5C7C6

text

#030705

muted

#787A7A

Preview Lab

Preview with #173A2D

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

Preview Lab → · Contrast checker → · Palette generator →