#174F55#174F55

#174F55 is a dark, muted teal. Relative luminance 0.064; OKLCH L 39.5% C 0.057 H 205.3°. Best body text is #FFFFFF at 9.19:1 contrast (WCAG AA passes).

Color values

HEX	#174F55
RGB	rgb(23, 79, 85)
HSL	hsl(186, 57%, 21%)
HSV	hsv(186, 73%, 33%)
CMYK	cmyk(72.9%, 7.1%, 0%, 66.7%)
CIE-LAB	lab(30.47, -15.64, -8.83)
CIE-LCH	lch(30.47, 17.96, 209.46°)
OKLab	oklab(39.46% -0.0519 -0.0245)
OKLCH	oklch(39.46% 0.057 205.3)
XYZ	xyz(4.7883, 6.4295, 9.5812)
Luminance	0.0643 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174F55 #551D17

analogous

#17553C #174F55 #173055

triadic

#174F55 #55174F #4F5517

tetradic

#174F55 #3C1755 #551D17 #305517

square

#174F55 #3C1755 #551D17 #305517

split-complementary

#174F55 #551730 #553C17

monochromatic

#071618 #0A2225 #174F55 #247C85 #31A9B5

Accessibility & contrast

On white

9.19

#174F55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#174F55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174F55

9.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174F55	#FFFFFF	#000000	##FFFFFF
##174F55	1.00	9.19	2.29	9.19
#FFFFFF	9.19	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484C55

Deuteranopia (green-blind)

#3F4555

Tritanopia (blue-blind)

#005351

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #174f55;
/* rgb */ color: rgb(23, 79, 85);
/* oklch */ color: oklch(39.5% 0.057 205.3);

Tailwind

colors: {
  custom: {
    50: '#5e8084',
    500: '#174f55',
    950: '#000000',
  },
}

SCSS

$custom: #174f55;
$custom-light: #5e8084;
$custom-dark: #000000;

JSON

{
  "hex": "#174f55",
  "rgb": {
    "r": 23,
    "g": 79,
    "b": 85
  },
  "hsl": {
    "h": 185.806,
    "s": 57.407,
    "l": 21.176
  },
  "oklch": {
    "l": 0.3946,
    "c": 0.05739,
    "h": 205.3
  },
  "luminance": 0.0643
}

Semantic roles & 50–950 ramp

primary

#174F55

secondary

#8C443C

accent

#5647E1

background

#F5F7F8

surface

#EAEEEF

border

#C6C9CA

text

#050A0B

muted

#797C7C

Preview Lab

Preview with #174F55

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

Preview Lab → · Contrast checker → · Palette generator →