#173143#173143

#173143 is a dark, muted cyan. Relative luminance 0.028; OKLCH L 30.1% C 0.046 H 240.8°. Best body text is #FFFFFF at 13.49:1 contrast (WCAG AA passes).

Color values

HEX	#173143
RGB	rgb(23, 49, 67)
HSL	hsl(205, 49%, 18%)
HSV	hsv(205, 66%, 26%)
CMYK	cmyk(65.7%, 26.9%, 0%, 73.7%)
CIE-LAB	lab(19.16, -3.55, -14.28)
CIE-LCH	lch(19.16, 14.71, 256.04°)
OKLab	oklab(30.14% -0.0224 -0.04)
OKLCH	oklch(30.14% 0.046 240.8)
XYZ	xyz(2.4644, 2.7838, 5.7166)
Luminance	0.0278 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173143 #432917

analogous

#17433F #173143 #171B43

triadic

#173143 #431731 #314317

tetradic

#173143 #3F1743 #432917 #1B4317

square

#173143 #3F1743 #432917 #1B4317

split-complementary

#173143 #43171B #433F17

monochromatic

#081117 #081117 #173143 #275271 #36749E

Accessibility & contrast

On white

13.49

#173143 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#173143 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173143

13.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173143	#FFFFFF	#000000	##FFFFFF
##173143	1.00	13.49	1.56	13.49
#FFFFFF	13.49	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#293144

Deuteranopia (green-blind)

#232D43

Tritanopia (blue-blind)

#003537

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #173143;
/* rgb */ color: rgb(23, 49, 67);
/* oklch */ color: oklch(30.1% 0.046 240.8);

Tailwind

colors: {
  custom: {
    50: '#596977',
    500: '#173143',
    950: '#000000',
  },
}

SCSS

$custom: #173143;
$custom-light: #596977;
$custom-dark: #000000;

JSON

{
  "hex": "#173143",
  "rgb": {
    "r": 23,
    "g": 49,
    "b": 67
  },
  "hsl": {
    "h": 204.545,
    "s": 48.889,
    "l": 17.647
  },
  "oklch": {
    "l": 0.30143,
    "c": 0.04582,
    "h": 240.8
  },
  "luminance": 0.02784
}

Semantic roles & 50–950 ramp

primary

#173143

secondary

#7A553C

accent

#874FD8

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040608

muted

#797A7B

Preview Lab

Preview with #173143

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

Preview Lab → · Contrast checker → · Palette generator →