#173E49#173E49

#173E49 is a dark, muted cyan. Relative luminance 0.041; OKLCH L 34.1% C 0.047 H 219.3°. Best body text is #FFFFFF at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#173E49
RGB	rgb(23, 62, 73)
HSL	hsl(193, 52%, 19%)
HSV	hsv(193, 68%, 29%)
CMYK	cmyk(68.5%, 15.1%, 0%, 71.4%)
CIE-LAB	lab(24.03, -9.77, -10.81)
CIE-LCH	lch(24.03, 14.57, 227.90°)
OKLab	oklab(34.11% -0.0367 -0.0301)
OKLCH	oklch(34.11% 0.047 219.3)
XYZ	xyz(3.2781, 4.1081, 6.9222)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173E49 #492217

analogous

#17493B #173E49 #172549

triadic

#173E49 #49173E #3E4917

tetradic

#173E49 #3B1749 #492217 #254917

square

#173E49 #3B1749 #492217 #254917

split-complementary

#173E49 #491725 #493B17

monochromatic

#071417 #08161A #173E49 #266678 #348DA6

Accessibility & contrast

On white

11.53

#173E49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#173E49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173E49

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173E49	#FFFFFF	#000000	##FFFFFF
##173E49	1.00	11.53	1.82	11.53
#FFFFFF	11.53	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373C4A

Deuteranopia (green-blind)

#303749

Tritanopia (blue-blind)

#004241

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #173e49;
/* rgb */ color: rgb(23, 62, 73);
/* oklch */ color: oklch(34.1% 0.047 219.3);

Tailwind

colors: {
  custom: {
    50: '#5a737b',
    500: '#173e49',
    950: '#000000',
  },
}

SCSS

$custom: #173e49;
$custom-light: #5a737b;
$custom-dark: #000000;

JSON

{
  "hex": "#173e49",
  "rgb": {
    "r": 23,
    "g": 62,
    "b": 73
  },
  "hsl": {
    "h": 193.2,
    "s": 52.083,
    "l": 18.824
  },
  "oklch": {
    "l": 0.34114,
    "c": 0.04748,
    "h": 219.3
  },
  "luminance": 0.04108
}

Semantic roles & 50–950 ramp

primary

#173E49

secondary

#804B3C

accent

#6C4CDC

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#040809

muted

#797B7B

Preview Lab

Preview with #173E49

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

Preview Lab → · Contrast checker → · Palette generator →