#173142#173142

#173142 is a dark, muted cyan. Relative luminance 0.028; OKLCH L 30.1% C 0.045 H 239.2°. Best body text is #FFFFFF at 13.51:1 contrast (WCAG AA passes).

Color values

HEX	#173142
RGB	rgb(23, 49, 66)
HSL	hsl(204, 48%, 17%)
HSV	hsv(204, 65%, 26%)
CMYK	cmyk(65.2%, 25.8%, 0%, 74.1%)
CIE-LAB	lab(19.11, -3.93, -13.67)
CIE-LCH	lch(19.11, 14.22, 253.97°)
OKLab	oklab(30.09% -0.0228 -0.0382)
OKLCH	oklch(30.09% 0.045 239.2)
XYZ	xyz(2.4347, 2.7719, 5.5599)
Luminance	0.0277 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173142 #422817

analogous

#17423E #173142 #171B42

triadic

#173142 #421731 #314217

tetradic

#173142 #3E1742 #422817 #1B4217

square

#173142 #3E1742 #422817 #1B4217

split-complementary

#173142 #42171B #423E17

monochromatic

#081117 #081117 #173142 #27536F #37749D

Accessibility & contrast

On white

13.51

#173142 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#173142 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173142

13.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173142	#FFFFFF	#000000	##FFFFFF
##173142	1.00	13.51	1.55	13.51
#FFFFFF	13.51	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#293143

Deuteranopia (green-blind)

#232C42

Tritanopia (blue-blind)

#003537

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #173142;
/* rgb */ color: rgb(23, 49, 66);
/* oklch */ color: oklch(30.1% 0.045 239.2);

Tailwind

colors: {
  custom: {
    50: '#586976',
    500: '#173142',
    950: '#000000',
  },
}

SCSS

$custom: #173142;
$custom-light: #586976;
$custom-dark: #000000;

JSON

{
  "hex": "#173142",
  "rgb": {
    "r": 23,
    "g": 49,
    "b": 66
  },
  "hsl": {
    "h": 203.721,
    "s": 48.315,
    "l": 17.451
  },
  "oklch": {
    "l": 0.30087,
    "c": 0.04451,
    "h": 239.2
  },
  "luminance": 0.02772
}

Semantic roles & 50–950 ramp

primary

#173142

secondary

#79543C

accent

#8650D8

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040608

muted

#797A7B

Preview Lab

Preview with #173142

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

Preview Lab → · Contrast checker → · Palette generator →