#173B3E#173B3E

#173B3E is a dark, muted teal. Relative luminance 0.037; OKLCH L 32.7% C 0.041 H 202.7°. Best body text is #FFFFFF at 12.13:1 contrast (WCAG AA passes).

Color values

HEX	#173B3E
RGB	rgb(23, 59, 62)
HSL	hsl(185, 46%, 17%)
HSV	hsv(185, 63%, 24%)
CMYK	cmyk(62.9%, 4.8%, 0%, 75.7%)
CIE-LAB	lab(22.51, -11.80, -5.78)
CIE-LCH	lch(22.51, 13.14, 206.09°)
OKLab	oklab(32.75% -0.0382 -0.016)
OKLCH	oklch(32.75% 0.041 202.7)
XYZ	xyz(2.7865, 3.6576, 5.1156)
Luminance	0.0366 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173B3E #3E1A17

analogous

#173E2E #173B3E #17283E

triadic

#173B3E #3E173B #3B3E17

tetradic

#173B3E #2E173E #3E1A17 #283E17

square

#173B3E #2E173E #3E1A17 #283E17

split-complementary

#173B3E #3E1728 #3E2E17

monochromatic

#081516 #081516 #173B3E #28656B #389097

Accessibility & contrast

On white

12.13

#173B3E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#173B3E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173B3E

12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173B3E	#FFFFFF	#000000	##FFFFFF
##173B3E	1.00	12.13	1.73	12.13
#FFFFFF	12.13	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36383E

Deuteranopia (green-blind)

#30343E

Tritanopia (blue-blind)

#003D3C

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #173b3e;
/* rgb */ color: rgb(23, 59, 62);
/* oklch */ color: oklch(32.7% 0.041 202.7);

Tailwind

colors: {
  custom: {
    50: '#597173',
    500: '#173b3e',
    950: '#000000',
  },
}

SCSS

$custom: #173b3e;
$custom-light: #597173;
$custom-dark: #000000;

JSON

{
  "hex": "#173b3e",
  "rgb": {
    "r": 23,
    "g": 59,
    "b": 62
  },
  "hsl": {
    "h": 184.615,
    "s": 45.882,
    "l": 16.667
  },
  "oklch": {
    "l": 0.32745,
    "c": 0.04139,
    "h": 202.7
  },
  "luminance": 0.03658
}

Semantic roles & 50–950 ramp

primary

#173B3E

secondary

#75403C

accent

#5C52D6

background

#F5F6F6

surface

#E9ECEC

border

#C5C7C7

text

#040708

muted

#797A7B

Preview Lab

Preview with #173B3E

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

Preview Lab → · Contrast checker → · Palette generator →