#173A44#173A44

#173A44 is a dark, muted cyan. Relative luminance 0.036; OKLCH L 32.7% C 0.044 H 219.3°. Best body text is #FFFFFF at 12.17:1 contrast (WCAG AA passes).

Color values

HEX	#173A44
RGB	rgb(23, 58, 68)
HSL	hsl(193, 49%, 18%)
HSV	hsv(193, 66%, 27%)
CMYK	cmyk(66.2%, 14.7%, 0%, 73.3%)
CIE-LAB	lab(22.39, -9.07, -9.97)
CIE-LCH	lch(22.39, 13.48, 227.71°)
OKLab	oklab(32.74% -0.0339 -0.0277)
OKLCH	oklch(32.74% 0.044 219.3)
XYZ	xyz(2.9094, 3.6253, 6.0142)
Luminance	0.0363 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173A44 #442117

analogous

#174437 #173A44 #172344

triadic

#173A44 #44173A #3A4417

tetradic

#173A44 #371744 #442117 #234417

square

#173A44 #371744 #442117 #234417

split-complementary

#173A44 #441723 #443717

monochromatic

#081417 #081417 #173A44 #266172 #36889F

Accessibility & contrast

On white

12.17

#173A44 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#173A44 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173A44

12.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173A44	#FFFFFF	#000000	##FFFFFF
##173A44	1.00	12.17	1.73	12.17
#FFFFFF	12.17	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343845

Deuteranopia (green-blind)

#2D3344

Tritanopia (blue-blind)

#003D3D

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #173a44;
/* rgb */ color: rgb(23, 58, 68);
/* oklch */ color: oklch(32.7% 0.044 219.3);

Tailwind

colors: {
  custom: {
    50: '#597077',
    500: '#173a44',
    950: '#000000',
  },
}

SCSS

$custom: #173a44;
$custom-light: #597077;
$custom-dark: #000000;

JSON

{
  "hex": "#173a44",
  "rgb": {
    "r": 23,
    "g": 58,
    "b": 68
  },
  "hsl": {
    "h": 193.333,
    "s": 49.451,
    "l": 17.843
  },
  "oklch": {
    "l": 0.32735,
    "c": 0.04378,
    "h": 219.3
  },
  "luminance": 0.03626
}

Semantic roles & 50–950 ramp

primary

#173A44

secondary

#7B4A3C

accent

#6E4FD9

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#040708

muted

#797A7B

Preview Lab

Preview with #173A44

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

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