#173449#173449

#173449 is a dark, muted cyan. Relative luminance 0.031; OKLCH L 31.3% C 0.051 H 242.3°. Best body text is #FFFFFF at 12.93:1 contrast (WCAG AA passes).

Color values

HEX	#173449
RGB	rgb(23, 52, 73)
HSL	hsl(205, 52%, 19%)
HSV	hsv(205, 68%, 29%)
CMYK	cmyk(68.5%, 28.8%, 0%, 71.4%)
CIE-LAB	lab(20.51, -3.27, -16.23)
CIE-LCH	lch(20.51, 16.55, 258.61°)
OKLab	oklab(31.32% -0.0239 -0.0456)
OKLCH	oklch(31.32% 0.051 242.3)
XYZ	xyz(2.7835, 3.1189, 6.7574)
Luminance	0.0312 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173449 #492C17

analogous

#174945 #173449 #171B49

triadic

#173449 #491734 #344917

tetradic

#173449 #451749 #492C17 #1B4917

square

#173449 #451749 #492C17 #1B4917

split-complementary

#173449 #49171B #494517

monochromatic

#071117 #08131A #173449 #265578 #3476A6

Accessibility & contrast

On white

12.93

#173449 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#173449 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173449

12.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173449	#FFFFFF	#000000	##FFFFFF
##173449	1.00	12.93	1.62	12.93
#FFFFFF	12.93	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B344A

Deuteranopia (green-blind)

#242F49

Tritanopia (blue-blind)

#00393B

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #173449;
/* rgb */ color: rgb(23, 52, 73);
/* oklch */ color: oklch(31.3% 0.051 242.3);

Tailwind

colors: {
  custom: {
    50: '#5a6b7c',
    500: '#173449',
    950: '#000000',
  },
}

SCSS

$custom: #173449;
$custom-light: #5a6b7c;
$custom-dark: #000000;

JSON

{
  "hex": "#173449",
  "rgb": {
    "r": 23,
    "g": 52,
    "b": 73
  },
  "hsl": {
    "h": 205.2,
    "s": 52.083,
    "l": 18.824
  },
  "oklch": {
    "l": 0.31318,
    "c": 0.05149,
    "h": 242.3
  },
  "luminance": 0.03119
}

Semantic roles & 50–950 ramp

primary

#173449

secondary

#80583C

accent

#884CDC

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#040609

muted

#797A7B

Preview Lab

Preview with #173449

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

Preview Lab → · Contrast checker → · Palette generator →