#173443#173443

#173443 is a dark, muted cyan. Relative luminance 0.030; OKLCH L 31.0% C 0.044 H 233.2°. Best body text is #FFFFFF at 13.05:1 contrast (WCAG AA passes).

Color values

HEX	#173443
RGB	rgb(23, 52, 67)
HSL	hsl(200, 49%, 18%)
HSV	hsv(200, 66%, 26%)
CMYK	cmyk(65.7%, 22.4%, 0%, 73.7%)
CIE-LAB	lab(20.22, -5.56, -12.64)
CIE-LCH	lch(20.22, 13.81, 246.24°)
OKLab	oklab(30.98% -0.0264 -0.0353)
OKLCH	oklch(30.98% 0.044 233.2)
XYZ	xyz(2.5941, 3.0431, 5.7598)
Luminance	0.0304 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173443 #432617

analogous

#17433C #173443 #171E43

triadic

#173443 #431734 #344317

tetradic

#173443 #3C1743 #432617 #1E4317

square

#173443 #3C1743 #432617 #1E4317

split-complementary

#173443 #43171E #433C17

monochromatic

#081217 #081217 #173443 #275771 #367B9E

Accessibility & contrast

On white

13.05

#173443 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#173443 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173443

13.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173443	#FFFFFF	#000000	##FFFFFF
##173443	1.00	13.05	1.61	13.05
#FFFFFF	13.05	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3344

Deuteranopia (green-blind)

#272F43

Tritanopia (blue-blind)

#003839

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #173443;
/* rgb */ color: rgb(23, 52, 67);
/* oklch */ color: oklch(31.0% 0.044 233.2);

Tailwind

colors: {
  custom: {
    50: '#596b77',
    500: '#173443',
    950: '#000000',
  },
}

SCSS

$custom: #173443;
$custom-light: #596b77;
$custom-dark: #000000;

JSON

{
  "hex": "#173443",
  "rgb": {
    "r": 23,
    "g": 52,
    "b": 67
  },
  "hsl": {
    "h": 200.455,
    "s": 48.889,
    "l": 17.647
  },
  "oklch": {
    "l": 0.30984,
    "c": 0.04406,
    "h": 233.2
  },
  "luminance": 0.03043
}

Semantic roles & 50–950 ramp

primary

#173443

secondary

#7A513C

accent

#7E4FD8

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040608

muted

#797A7B

Preview Lab

Preview with #173443

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

Preview Lab → · Contrast checker → · Palette generator →