#173C43#173C43

#173C43 is a dark, muted teal. Relative luminance 0.038; OKLCH L 33.3% C 0.044 H 211.8°. Best body text is #FFFFFF at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#173C43
RGB	rgb(23, 60, 67)
HSL	hsl(190, 49%, 18%)
HSV	hsv(190, 66%, 26%)
CMYK	cmyk(65.7%, 10.4%, 0%, 73.7%)
CIE-LAB	lab(23.06, -10.68, -8.29)
CIE-LCH	lch(23.06, 13.52, 217.81°)
OKLab	oklab(33.26% -0.037 -0.023)
OKLCH	oklch(33.26% 0.044 211.8)
XYZ	xyz(2.9819, 3.8188, 5.8891)
Luminance	0.0382 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173C43 #431E17

analogous

#174334 #173C43 #172643

triadic

#173C43 #43173C #3C4317

tetradic

#173C43 #341743 #431E17 #264317

square

#173C43 #341743 #431E17 #264317

split-complementary

#173C43 #431726 #433417

monochromatic

#081417 #081417 #173C43 #276571 #368E9E

Accessibility & contrast

On white

11.91

#173C43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#173C43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173C43

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173C43	#FFFFFF	#000000	##FFFFFF
##173C43	1.00	11.91	1.76	11.91
#FFFFFF	11.91	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363A43

Deuteranopia (green-blind)

#303543

Tritanopia (blue-blind)

#003F3E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #173c43;
/* rgb */ color: rgb(23, 60, 67);
/* oklch */ color: oklch(33.3% 0.044 211.8);

Tailwind

colors: {
  custom: {
    50: '#597177',
    500: '#173c43',
    950: '#000000',
  },
}

SCSS

$custom: #173c43;
$custom-light: #597177;
$custom-dark: #000000;

JSON

{
  "hex": "#173c43",
  "rgb": {
    "r": 23,
    "g": 60,
    "b": 67
  },
  "hsl": {
    "h": 189.545,
    "s": 48.889,
    "l": 17.647
  },
  "oklch": {
    "l": 0.33259,
    "c": 0.04355,
    "h": 211.8
  },
  "luminance": 0.03819
}

Semantic roles & 50–950 ramp

primary

#173C43

secondary

#7A463C

accent

#654FD8

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#040708

muted

#797A7B

Preview Lab

Preview with #173C43

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

Preview Lab → · Contrast checker → · Palette generator →