#173E45#173E45

#173E45 is a dark, muted teal. Relative luminance 0.041; OKLCH L 33.9% C 0.045 H 211.1°. Best body text is #FFFFFF at 11.59:1 contrast (WCAG AA passes).

Color values

HEX	#173E45
RGB	rgb(23, 62, 69)
HSL	hsl(189, 50%, 18%)
HSV	hsv(189, 67%, 27%)
CMYK	cmyk(66.7%, 10.1%, 0%, 72.9%)
CIE-LAB	lab(23.86, -11.20, -8.41)
CIE-LCH	lch(23.86, 14.01, 216.91°)
OKLab	oklab(33.92% -0.0386 -0.0233)
OKLCH	oklch(33.92% 0.045 211.1)
XYZ	xyz(3.1497, 4.0568, 6.2461)
Luminance	0.0406 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173E45 #451E17

analogous

#174535 #173E45 #172745

triadic

#173E45 #45173E #3E4517

tetradic

#173E45 #351745 #451E17 #274517

square

#173E45 #351745 #451E17 #274517

split-complementary

#173E45 #451727 #453517

monochromatic

#081517 #081517 #173E45 #266773 #3690A1

Accessibility & contrast

On white

11.59

#173E45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#173E45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173E45

11.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173E45	#FFFFFF	#000000	##FFFFFF
##173E45	1.00	11.59	1.81	11.59
#FFFFFF	11.59	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383C45

Deuteranopia (green-blind)

#313745

Tritanopia (blue-blind)

#004140

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #173e45;
/* rgb */ color: rgb(23, 62, 69);
/* oklch */ color: oklch(33.9% 0.045 211.1);

Tailwind

colors: {
  custom: {
    50: '#5a7378',
    500: '#173e45',
    950: '#000000',
  },
}

SCSS

$custom: #173e45;
$custom-light: #5a7378;
$custom-dark: #000000;

JSON

{
  "hex": "#173e45",
  "rgb": {
    "r": 23,
    "g": 62,
    "b": 69
  },
  "hsl": {
    "h": 189.13,
    "s": 50,
    "l": 18.039
  },
  "oklch": {
    "l": 0.33925,
    "c": 0.04514,
    "h": 211.1
  },
  "luminance": 0.04057
}

Semantic roles & 50–950 ramp

primary

#173E45

secondary

#7C463C

accent

#634EDA

background

#F5F7F7

surface

#E9EDED

border

#C5C8C8

text

#040809

muted

#797B7B

Preview Lab

Preview with #173E45

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

Preview Lab → · Contrast checker → · Palette generator →