#173243#173243

#173243 is a dark, muted cyan. Relative luminance 0.029; OKLCH L 30.4% C 0.045 H 238.3°. Best body text is #FFFFFF at 13.34:1 contrast (WCAG AA passes).

Color values

HEX	#173243
RGB	rgb(23, 50, 67)
HSL	hsl(203, 49%, 18%)
HSV	hsv(203, 66%, 26%)
CMYK	cmyk(65.7%, 25.4%, 0%, 73.7%)
CIE-LAB	lab(19.51, -4.23, -13.73)
CIE-LCH	lch(19.51, 14.36, 252.89°)
OKLab	oklab(30.42% -0.0237 -0.0384)
OKLCH	oklch(30.42% 0.045 238.3)
XYZ	xyz(2.5067, 2.8684, 5.7307)
Luminance	0.0287 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173243 #432817

analogous

#17433E #173243 #171C43

triadic

#173243 #431732 #324317

tetradic

#173243 #3E1743 #432817 #1C4317

square

#173243 #3E1743 #432817 #1C4317

split-complementary

#173243 #43171C #433E17

monochromatic

#081117 #081117 #173243 #275471 #36769E

Accessibility & contrast

On white

13.34

#173243 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#173243 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173243

13.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173243	#FFFFFF	#000000	##FFFFFF
##173243	1.00	13.34	1.57	13.34
#FFFFFF	13.34	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A3244

Deuteranopia (green-blind)

#242D43

Tritanopia (blue-blind)

#003638

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #173243;
/* rgb */ color: rgb(23, 50, 67);
/* oklch */ color: oklch(30.4% 0.045 238.3);

Tailwind

colors: {
  custom: {
    50: '#596977',
    500: '#173243',
    950: '#000000',
  },
}

SCSS

$custom: #173243;
$custom-light: #596977;
$custom-dark: #000000;

JSON

{
  "hex": "#173243",
  "rgb": {
    "r": 23,
    "g": 50,
    "b": 67
  },
  "hsl": {
    "h": 203.182,
    "s": 48.889,
    "l": 17.647
  },
  "oklch": {
    "l": 0.30422,
    "c": 0.04513,
    "h": 238.3
  },
  "luminance": 0.02869
}

Semantic roles & 50–950 ramp

primary

#173243

secondary

#7A543C

accent

#844FD8

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040608

muted

#797A7B

Preview Lab

Preview with #173243

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

Preview Lab → · Contrast checker → · Palette generator →