#173B3D#173B3D

#173B3D is a dark, muted teal. Relative luminance 0.036; OKLCH L 32.7% C 0.041 H 200.2°. Best body text is #FFFFFF at 12.14:1 contrast (WCAG AA passes).

Color values

HEX	#173B3D
RGB	rgb(23, 59, 61)
HSL	hsl(183, 45%, 16%)
HSV	hsv(183, 62%, 24%)
CMYK	cmyk(62.3%, 3.3%, 0%, 76.1%)
CIE-LAB	lab(22.47, -12.14, -5.17)
CIE-LCH	lch(22.47, 13.19, 203.05°)
OKLab	oklab(32.7% -0.0387 -0.0143)
OKLCH	oklch(32.7% 0.041 200.2)
XYZ	xyz(2.7593, 3.6467, 4.9725)
Luminance	0.0365 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173B3D #3D1917

analogous

#173D2C #173B3D #17283D

triadic

#173B3D #3D173B #3B3D17

tetradic

#173B3D #2C173D #3D1917 #283D17

square

#173B3D #2C173D #3D1917 #283D17

split-complementary

#173B3D #3D1728 #3D2C17

monochromatic

#081516 #081516 #173B3D #286669 #399196

Accessibility & contrast

On white

12.14

#173B3D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#173B3D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173B3D

12.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173B3D	#FFFFFF	#000000	##FFFFFF
##173B3D	1.00	12.14	1.73	12.14
#FFFFFF	12.14	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37383D

Deuteranopia (green-blind)

#31343D

Tritanopia (blue-blind)

#003D3C

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #173b3d;
/* rgb */ color: rgb(23, 59, 61);
/* oklch */ color: oklch(32.7% 0.041 200.2);

Tailwind

colors: {
  custom: {
    50: '#597172',
    500: '#173b3d',
    950: '#000000',
  },
}

SCSS

$custom: #173b3d;
$custom-light: #597172;
$custom-dark: #000000;

JSON

{
  "hex": "#173b3d",
  "rgb": {
    "r": 23,
    "g": 59,
    "b": 61
  },
  "hsl": {
    "h": 183.158,
    "s": 45.238,
    "l": 16.471
  },
  "oklch": {
    "l": 0.32701,
    "c": 0.04124,
    "h": 200.2
  },
  "luminance": 0.03647
}

Semantic roles & 50–950 ramp

primary

#173B3D

secondary

#743F3C

accent

#5A53D5

background

#F5F6F6

surface

#E9ECEC

border

#C5C7C7

text

#040708

muted

#797A7B

Preview Lab

Preview with #173B3D

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

Preview Lab → · Contrast checker → · Palette generator →