#173649#173649

#173649 is a dark, muted cyan. Relative luminance 0.033; OKLCH L 31.9% C 0.050 H 238.0°. Best body text is #FFFFFF at 12.65:1 contrast (WCAG AA passes).

Color values

HEX	#173649
RGB	rgb(23, 54, 73)
HSL	hsl(203, 52%, 19%)
HSV	hsv(203, 68%, 29%)
CMYK	cmyk(68.5%, 26%, 0%, 71.4%)
CIE-LAB	lab(21.21, -4.61, -15.14)
CIE-LCH	lch(21.21, 15.83, 253.05°)
OKLab	oklab(31.87% -0.0265 -0.0425)
OKLCH	oklch(31.87% 0.05 238)
XYZ	xyz(2.8747, 3.3013, 6.7877)
Luminance	0.0330 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173649 #492A17

analogous

#174943 #173649 #171D49

triadic

#173649 #491736 #364917

tetradic

#173649 #431749 #492A17 #1D4917

square

#173649 #431749 #492A17 #1D4917

split-complementary

#173649 #49171D #494317

monochromatic

#071117 #08141A #173649 #265878 #347BA6

Accessibility & contrast

On white

12.65

#173649 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#173649 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173649

12.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173649	#FFFFFF	#000000	##FFFFFF
##173649	1.00	12.65	1.66	12.65
#FFFFFF	12.65	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D364A

Deuteranopia (green-blind)

#263149

Tritanopia (blue-blind)

#003B3C

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #173649;
/* rgb */ color: rgb(23, 54, 73);
/* oklch */ color: oklch(31.9% 0.050 238.0);

Tailwind

colors: {
  custom: {
    50: '#5a6c7b',
    500: '#173649',
    950: '#000000',
  },
}

SCSS

$custom: #173649;
$custom-light: #5a6c7b;
$custom-dark: #000000;

JSON

{
  "hex": "#173649",
  "rgb": {
    "r": 23,
    "g": 54,
    "b": 73
  },
  "hsl": {
    "h": 202.8,
    "s": 52.083,
    "l": 18.824
  },
  "oklch": {
    "l": 0.31871,
    "c": 0.05005,
    "h": 238
  },
  "luminance": 0.03302
}

Semantic roles & 50–950 ramp

primary

#173649

secondary

#80563C

accent

#834CDC

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#040709

muted

#797A7B

Preview Lab

Preview with #173649

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

Preview Lab → · Contrast checker → · Palette generator →