#173C49#173C49

#173C49 is a dark, muted cyan. Relative luminance 0.039; OKLCH L 33.6% C 0.048 H 224.1°. Best body text is #FFFFFF at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#173C49
RGB	rgb(23, 60, 73)
HSL	hsl(196, 52%, 19%)
HSV	hsv(196, 68%, 29%)
CMYK	cmyk(68.5%, 17.8%, 0%, 71.4%)
CIE-LAB	lab(23.32, -8.52, -11.89)
CIE-LCH	lch(23.32, 14.63, 234.40°)
OKLab	oklab(33.55% -0.0342 -0.0331)
OKLCH	oklch(33.55% 0.048 224.1)
XYZ	xyz(3.1713, 3.8946, 6.8866)
Luminance	0.0389 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173C49 #492417

analogous

#17493D #173C49 #172349

triadic

#173C49 #49173C #3C4917

tetradic

#173C49 #3D1749 #492417 #234917

square

#173C49 #3D1749 #492417 #234917

split-complementary

#173C49 #491723 #493D17

monochromatic

#071317 #08161A #173C49 #266278 #3489A6

Accessibility & contrast

On white

11.80

#173C49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#173C49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173C49

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173C49	#FFFFFF	#000000	##FFFFFF
##173C49	1.00	11.80	1.78	11.80
#FFFFFF	11.80	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353B4A

Deuteranopia (green-blind)

#2E3549

Tritanopia (blue-blind)

#004040

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #173c49;
/* rgb */ color: rgb(23, 60, 73);
/* oklch */ color: oklch(33.6% 0.048 224.1);

Tailwind

colors: {
  custom: {
    50: '#5a717b',
    500: '#173c49',
    950: '#000000',
  },
}

SCSS

$custom: #173c49;
$custom-light: #5a717b;
$custom-dark: #000000;

JSON

{
  "hex": "#173c49",
  "rgb": {
    "r": 23,
    "g": 60,
    "b": 73
  },
  "hsl": {
    "h": 195.6,
    "s": 52.083,
    "l": 18.824
  },
  "oklch": {
    "l": 0.3355,
    "c": 0.04762,
    "h": 224.1
  },
  "luminance": 0.03895
}

Semantic roles & 50–950 ramp

primary

#173C49

secondary

#804D3C

accent

#724CDC

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#040709

muted

#797A7B

Preview Lab

Preview with #173C49

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

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