#175B4B#175B4B

#175B4B is a dark, moderate teal. Relative luminance 0.082; OKLCH L 42.5% C 0.072 H 173.5°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#175B4B
RGB	rgb(23, 91, 75)
HSL	hsl(166, 60%, 22%)
HSV	hsv(166, 75%, 36%)
CMYK	cmyk(74.7%, 0%, 17.6%, 64.3%)
CIE-LAB	lab(34.34, -25.19, 3.20)
CIE-LCH	lch(34.34, 25.39, 172.77°)
OKLab	oklab(42.49% -0.0712 0.0081)
OKLCH	oklch(42.49% 0.072 173.5)
XYZ	xyz(5.3638, 8.1717, 7.9499)
Luminance	0.0817 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#175B4B #5B1727

analogous

#175B29 #175B4B #17495B

triadic

#175B4B #4B175B #5B4B17

tetradic

#175B4B #29175B #5B1727 #495B17

square

#175B4B #29175B #5B1727 #495B17

split-complementary

#175B4B #5B1749 #5B2917

monochromatic

#061814 #0B2A23 #175B4B #238C73 #30BD9C

Accessibility & contrast

On white

7.97

#175B4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#175B4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #175B4B

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##175B4B	#FFFFFF	#000000	##FFFFFF
##175B4B	1.00	7.97	2.63	7.97
#FFFFFF	7.97	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58554A

Deuteranopia (green-blind)

#4E4E4C

Tritanopia (blue-blind)

#005C56

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #175b4b;
/* rgb */ color: rgb(23, 91, 75);
/* oklch */ color: oklch(42.5% 0.072 173.5);

Tailwind

colors: {
  custom: {
    50: '#5f8a7d',
    500: '#175b4b',
    950: '#000000',
  },
}

SCSS

$custom: #175b4b;
$custom-light: #5f8a7d;
$custom-dark: #000000;

JSON

{
  "hex": "#175b4b",
  "rgb": {
    "r": 23,
    "g": 91,
    "b": 75
  },
  "hsl": {
    "h": 165.882,
    "s": 59.649,
    "l": 22.353
  },
  "oklch": {
    "l": 0.42493,
    "c": 0.07166,
    "h": 173.5
  },
  "luminance": 0.08172
}

Semantic roles & 50–950 ramp

primary

#175B4B

secondary

#923C50

accent

#456AE3

background

#F5F8F7

surface

#EAF0EE

border

#C6CBC9

text

#050C09

muted

#797D7B

Preview Lab

Preview with #175B4B

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

Preview Lab → · Contrast checker → · Palette generator →