#174C40#174C40

#174C40 is a dark, muted teal. Relative luminance 0.057; OKLCH L 37.8% C 0.059 H 175.1°. Best body text is #FFFFFF at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#174C40
RGB	rgb(23, 76, 64)
HSL	hsl(166, 54%, 19%)
HSV	hsv(166, 70%, 30%)
CMYK	cmyk(69.7%, 0%, 15.8%, 70.2%)
CIE-LAB	lab(28.70, -20.75, 2.03)
CIE-LCH	lch(28.70, 20.85, 174.42°)
OKLab	oklab(37.78% -0.0591 0.0051)
OKLCH	oklch(37.78% 0.059 175.1)
XYZ	xyz(3.8628, 5.7208, 5.7501)
Luminance	0.0572 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174C40 #4C1723

analogous

#174C26 #174C40 #173E4C

triadic

#174C40 #40174C #4C4017

tetradic

#174C40 #26174C #4C1723 #3E4C17

square

#174C40 #26174C #4C1723 #3E4C17

split-complementary

#174C40 #4C173E #4C2617

monochromatic

#071714 #091D18 #174C40 #257B68 #33AA8F

Accessibility & contrast

On white

9.79

#174C40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#174C40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174C40

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174C40	#FFFFFF	#000000	##FFFFFF
##174C40	1.00	9.79	2.14	9.79
#FFFFFF	9.79	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49473F

Deuteranopia (green-blind)

#414141

Tritanopia (blue-blind)

#004D48

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #174c40;
/* rgb */ color: rgb(23, 76, 64);
/* oklch */ color: oklch(37.8% 0.059 175.1);

Tailwind

colors: {
  custom: {
    50: '#5c7e74',
    500: '#174c40',
    950: '#000000',
  },
}

SCSS

$custom: #174c40;
$custom-light: #5c7e74;
$custom-dark: #000000;

JSON

{
  "hex": "#174c40",
  "rgb": {
    "r": 23,
    "g": 76,
    "b": 64
  },
  "hsl": {
    "h": 166.415,
    "s": 53.535,
    "l": 19.412
  },
  "oklch": {
    "l": 0.37784,
    "c": 0.05933,
    "h": 175.1
  },
  "luminance": 0.05721
}

Semantic roles & 50–950 ramp

primary

#174C40

secondary

#833C4C

accent

#4B6CDD

background

#F5F7F7

surface

#E9EEED

border

#C5C9C8

text

#040A08

muted

#797C7B

Preview Lab

Preview with #174C40

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

Preview Lab → · Contrast checker → · Palette generator →