#173348#173348

#173348 is a dark, muted cyan. Relative luminance 0.030; OKLCH L 31.0% C 0.051 H 243.2°. Best body text is #FFFFFF at 13.10:1 contrast (WCAG AA passes).

Color values

HEX	#173348
RGB	rgb(23, 51, 72)
HSL	hsl(206, 52%, 19%)
HSV	hsv(206, 68%, 28%)
CMYK	cmyk(68.1%, 29.2%, 0%, 71.8%)
CIE-LAB	lab(20.11, -2.98, -16.18)
CIE-LCH	lch(20.11, 16.45, 259.57°)
OKLab	oklab(30.99% -0.023 -0.0455)
OKLCH	oklch(30.99% 0.051 243.2)
XYZ	xyz(2.7064, 3.0174, 6.5694)
Luminance	0.0302 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173348 #482C17

analogous

#174844 #173348 #171A48

triadic

#173348 #481733 #334817

tetradic

#173348 #441748 #482C17 #1A4817

square

#173348 #441748 #482C17 #1A4817

split-complementary

#173348 #48171A #484417

monochromatic

#071017 #08121A #173348 #265476 #3575A5

Accessibility & contrast

On white

13.10

#173348 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#173348 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173348

13.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173348	#FFFFFF	#000000	##FFFFFF
##173348	1.00	13.10	1.60	13.10
#FFFFFF	13.10	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A3349

Deuteranopia (green-blind)

#232E48

Tritanopia (blue-blind)

#00383A

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #173348;
/* rgb */ color: rgb(23, 51, 72);
/* oklch */ color: oklch(31.0% 0.051 243.2);

Tailwind

colors: {
  custom: {
    50: '#5a6a7b',
    500: '#173348',
    950: '#000000',
  },
}

SCSS

$custom: #173348;
$custom-light: #5a6a7b;
$custom-dark: #000000;

JSON

{
  "hex": "#173348",
  "rgb": {
    "r": 23,
    "g": 51,
    "b": 72
  },
  "hsl": {
    "h": 205.714,
    "s": 51.579,
    "l": 18.627
  },
  "oklch": {
    "l": 0.30985,
    "c": 0.05095,
    "h": 243.2
  },
  "luminance": 0.03018
}

Semantic roles & 50–950 ramp

primary

#173348

secondary

#7F593C

accent

#8A4DDB

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040609

muted

#797A7B

Preview Lab

Preview with #173348

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

Preview Lab → · Contrast checker → · Palette generator →