#173C46#173C46

#173C46 is a dark, muted cyan. Relative luminance 0.039; OKLCH L 33.4% C 0.045 H 218.3°. Best body text is #FFFFFF at 11.86:1 contrast (WCAG AA passes).

Color values

HEX	#173C46
RGB	rgb(23, 60, 70)
HSL	hsl(193, 51%, 18%)
HSV	hsv(193, 67%, 27%)
CMYK	cmyk(67.1%, 14.3%, 0%, 72.5%)
CIE-LAB	lab(23.19, -9.61, -10.10)
CIE-LCH	lch(23.19, 13.94, 226.41°)
OKLab	oklab(33.4% -0.0356 -0.028)
OKLCH	oklch(33.4% 0.045 218.3)
XYZ	xyz(3.0743, 3.8558, 6.3754)
Luminance	0.0386 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173C46 #462117

analogous

#174638 #173C46 #172446

triadic

#173C46 #46173C #3C4617

tetradic

#173C46 #381746 #462117 #244617

square

#173C46 #381746 #462117 #244617

split-complementary

#173C46 #461724 #463817

monochromatic

#081417 #081518 #173C46 #266374 #358BA2

Accessibility & contrast

On white

11.86

#173C46 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#173C46 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173C46

11.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173C46	#FFFFFF	#000000	##FFFFFF
##173C46	1.00	11.86	1.77	11.86
#FFFFFF	11.86	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363A47

Deuteranopia (green-blind)

#2F3546

Tritanopia (blue-blind)

#003F3F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #173c46;
/* rgb */ color: rgb(23, 60, 70);
/* oklch */ color: oklch(33.4% 0.045 218.3);

Tailwind

colors: {
  custom: {
    50: '#5a7179',
    500: '#173c46',
    950: '#000000',
  },
}

SCSS

$custom: #173c46;
$custom-light: #5a7179;
$custom-dark: #000000;

JSON

{
  "hex": "#173c46",
  "rgb": {
    "r": 23,
    "g": 60,
    "b": 70
  },
  "hsl": {
    "h": 192.766,
    "s": 50.538,
    "l": 18.235
  },
  "oklch": {
    "l": 0.33401,
    "c": 0.04531,
    "h": 218.3
  },
  "luminance": 0.03856
}

Semantic roles & 50–950 ramp

primary

#173C46

secondary

#7D4A3C

accent

#6C4EDA

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#040709

muted

#797A7B

Preview Lab

Preview with #173C46

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

Preview Lab → · Contrast checker → · Palette generator →