#175B5A#175B5A

#175B5A is a dark, moderate teal. Relative luminance 0.084; OKLCH L 43.0% C 0.065 H 193.6°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#175B5A
RGB	rgb(23, 91, 90)
HSL	hsl(179, 60%, 22%)
HSV	hsv(179, 75%, 36%)
CMYK	cmyk(74.7%, 0%, 1.1%, 64.3%)
CIE-LAB	lab(34.81, -20.58, -5.49)
CIE-LCH	lch(34.81, 21.30, 194.95°)
OKLab	oklab(43.03% -0.0634 -0.0153)
OKLCH	oklch(43.03% 0.065 193.6)
XYZ	xyz(5.9391, 8.4018, 10.9796)
Luminance	0.0840 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#175B5A #5B1718

analogous

#175B38 #175B5A #173A5B

triadic

#175B5A #5A175B #5B5A17

tetradic

#175B5A #38175B #5B1718 #3A5B17

square

#175B5A #38175B #5B1718 #3A5B17

split-complementary

#175B5A #5B173A #5B3817

monochromatic

#061818 #0B2A2A #175B5A #238C8A #30BDBB

Accessibility & contrast

On white

7.83

#175B5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#175B5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #175B5A

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##175B5A	#FFFFFF	#000000	##FFFFFF
##175B5A	1.00	7.83	2.68	7.83
#FFFFFF	7.83	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#55565A

Deuteranopia (green-blind)

#4B4F5B

Tritanopia (blue-blind)

#005E5B

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #175b5a;
/* rgb */ color: rgb(23, 91, 90);
/* oklch */ color: oklch(43.0% 0.065 193.6);

Tailwind

colors: {
  custom: {
    50: '#608988',
    500: '#175b5a',
    950: '#000000',
  },
}

SCSS

$custom: #175b5a;
$custom-light: #608988;
$custom-dark: #000000;

JSON

{
  "hex": "#175b5a",
  "rgb": {
    "r": 23,
    "g": 91,
    "b": 90
  },
  "hsl": {
    "h": 179.118,
    "s": 59.649,
    "l": 22.353
  },
  "oklch": {
    "l": 0.4303,
    "c": 0.06523,
    "h": 193.6
  },
  "luminance": 0.08403
}

Semantic roles & 50–950 ramp

primary

#175B5A

secondary

#923C3D

accent

#4547E3

background

#F6F8F8

surface

#EBF0EF

border

#C6CBCA

text

#050B0B

muted

#7A7C7C

Preview Lab

Preview with #175B5A

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

Preview Lab → · Contrast checker → · Palette generator →