#173C41#173C41

#173C41 is a dark, muted teal. Relative luminance 0.038; OKLCH L 33.2% C 0.043 H 207.2°. Best body text is #FFFFFF at 11.94:1 contrast (WCAG AA passes).

Color values

HEX	#173C41
RGB	rgb(23, 60, 65)
HSL	hsl(187, 48%, 17%)
HSV	hsv(187, 65%, 25%)
CMYK	cmyk(64.6%, 7.7%, 0%, 74.5%)
CIE-LAB	lab(22.98, -11.38, -7.07)
CIE-LCH	lch(22.98, 13.39, 211.86°)
OKLab	oklab(33.17% -0.038 -0.0196)
OKLCH	oklch(33.17% 0.043 207.2)
XYZ	xyz(2.9230, 3.7952, 5.5785)
Luminance	0.0380 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173C41 #411C17

analogous

#174131 #173C41 #172741

triadic

#173C41 #41173C #3C4117

tetradic

#173C41 #311741 #411C17 #274117

square

#173C41 #311741 #411C17 #274117

split-complementary

#173C41 #411727 #413117

monochromatic

#081517 #081517 #173C41 #27666E #378F9B

Accessibility & contrast

On white

11.94

#173C41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#173C41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173C41

11.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173C41	#FFFFFF	#000000	##FFFFFF
##173C41	1.00	11.94	1.76	11.94
#FFFFFF	11.94	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373A41

Deuteranopia (green-blind)

#303541

Tritanopia (blue-blind)

#003F3D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #173c41;
/* rgb */ color: rgb(23, 60, 65);
/* oklch */ color: oklch(33.2% 0.043 207.2);

Tailwind

colors: {
  custom: {
    50: '#597175',
    500: '#173c41',
    950: '#000000',
  },
}

SCSS

$custom: #173c41;
$custom-light: #597175;
$custom-dark: #000000;

JSON

{
  "hex": "#173c41",
  "rgb": {
    "r": 23,
    "g": 60,
    "b": 65
  },
  "hsl": {
    "h": 187.143,
    "s": 47.727,
    "l": 17.255
  },
  "oklch": {
    "l": 0.33168,
    "c": 0.04274,
    "h": 207.2
  },
  "luminance": 0.03796
}

Semantic roles & 50–950 ramp

primary

#173C41

secondary

#78433C

accent

#6150D7

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#040708

muted

#797A7B

Preview Lab

Preview with #173C41

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

Preview Lab → · Contrast checker → · Palette generator →