#175A5A#175A5A

#175A5A is a dark, moderate teal. Relative luminance 0.082; OKLCH L 42.8% C 0.064 H 195.0°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#175A5A
RGB	rgb(23, 90, 90)
HSL	hsl(180, 59%, 22%)
HSV	hsv(180, 74%, 35%)
CMYK	cmyk(74.4%, 0%, 0%, 64.7%)
CIE-LAB	lab(34.46, -20.05, -6.01)
CIE-LCH	lch(34.46, 20.93, 196.68°)
OKLab	oklab(42.75% -0.0623 -0.0167)
OKLCH	oklch(42.75% 0.064 195)
XYZ	xyz(5.8541, 8.2320, 10.9513)
Luminance	0.0823 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#175A5A #5A1717

analogous

#175A39 #175A5A #17395A

triadic

#175A5A #5A175A #5A5A17

tetradic

#175A5A #39175A #5A1717 #395A17

square

#175A5A #39175A #5A1717 #395A17

split-complementary

#175A5A #5A1739 #5A3917

monochromatic

#061818 #0B2929 #175A5A #238B8B #30BBBB

Accessibility & contrast

On white

7.93

#175A5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#175A5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #175A5A

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##175A5A	#FFFFFF	#000000	##FFFFFF
##175A5A	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#54555A

Deuteranopia (green-blind)

#4A4E5A

Tritanopia (blue-blind)

#005D5A

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #175a5a;
/* rgb */ color: rgb(23, 90, 90);
/* oklch */ color: oklch(42.8% 0.064 195.0);

Tailwind

colors: {
  custom: {
    50: '#608988',
    500: '#175a5a',
    950: '#000000',
  },
}

SCSS

$custom: #175a5a;
$custom-light: #608988;
$custom-dark: #000000;

JSON

{
  "hex": "#175a5a",
  "rgb": {
    "r": 23,
    "g": 90,
    "b": 90
  },
  "hsl": {
    "h": 180,
    "s": 59.292,
    "l": 22.157
  },
  "oklch": {
    "l": 0.4275,
    "c": 0.06446,
    "h": 195
  },
  "luminance": 0.08233
}

Semantic roles & 50–950 ramp

primary

#175A5A

secondary

#913C3C

accent

#4545E2

background

#F6F8F8

surface

#EBF0EF

border

#C6CBCA

text

#050B0B

muted

#7A7C7C

Preview Lab

Preview with #175A5A

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

Preview Lab → · Contrast checker → · Palette generator →