#173349#173349

#173349 is a dark, muted cyan. Relative luminance 0.030; OKLCH L 31.0% C 0.052 H 244.4°. Best body text is #FFFFFF at 13.07:1 contrast (WCAG AA passes).

Color values

HEX	#173349
RGB	rgb(23, 51, 73)
HSL	hsl(206, 52%, 19%)
HSV	hsv(206, 68%, 29%)
CMYK	cmyk(68.5%, 30.1%, 0%, 71.4%)
CIE-LAB	lab(20.17, -2.59, -16.77)
CIE-LCH	lch(20.17, 16.97, 261.22°)
OKLab	oklab(31.04% -0.0226 -0.0472)
OKLCH	oklch(31.04% 0.052 244.4)
XYZ	xyz(2.7393, 3.0306, 6.7426)
Luminance	0.0303 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173349 #492D17

analogous

#174946 #173349 #171A49

triadic

#173349 #491733 #334917

tetradic

#173349 #461749 #492D17 #1A4917

square

#173349 #461749 #492D17 #1A4917

split-complementary

#173349 #49171A #494617

monochromatic

#071017 #08121A #173349 #265478 #3474A6

Accessibility & contrast

On white

13.07

#173349 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#173349 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173349

13.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173349	#FFFFFF	#000000	##FFFFFF
##173349	1.00	13.07	1.61	13.07
#FFFFFF	13.07	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29334A

Deuteranopia (green-blind)

#232E49

Tritanopia (blue-blind)

#00383B

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #173349;
/* rgb */ color: rgb(23, 51, 73);
/* oklch */ color: oklch(31.0% 0.052 244.4);

Tailwind

colors: {
  custom: {
    50: '#5a6a7c',
    500: '#173349',
    950: '#000000',
  },
}

SCSS

$custom: #173349;
$custom-light: #5a6a7c;
$custom-dark: #000000;

JSON

{
  "hex": "#173349",
  "rgb": {
    "r": 23,
    "g": 51,
    "b": 73
  },
  "hsl": {
    "h": 206.4,
    "s": 52.083,
    "l": 18.824
  },
  "oklch": {
    "l": 0.31044,
    "c": 0.05232,
    "h": 244.4
  },
  "luminance": 0.03031
}

Semantic roles & 50–950 ramp

primary

#173349

secondary

#805A3C

accent

#8B4CDC

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#040609

muted

#797A7B

Preview Lab

Preview with #173349

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

Preview Lab → · Contrast checker → · Palette generator →