#173255#173255

#173255 is a dark, moderate cyan. Relative luminance 0.031; OKLCH L 31.5% C 0.071 H 255.8°. Best body text is #FFFFFF at 12.93:1 contrast (WCAG AA passes).

Color values

HEX	#173255
RGB	rgb(23, 50, 85)
HSL	hsl(214, 57%, 21%)
HSV	hsv(214, 73%, 33%)
CMYK	cmyk(72.9%, 41.2%, 0%, 66.7%)
CIE-LAB	lab(20.51, 2.93, -24.26)
CIE-LCH	lch(20.51, 24.44, 276.88°)
OKLab	oklab(31.54% -0.0174 -0.069)
OKLCH	oklch(31.54% 0.071 255.8)
XYZ	xyz(3.1330, 3.1189, 9.0295)
Luminance	0.0312 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173255 #553A17

analogous

#175155 #173255 #1B1755

triadic

#173255 #551732 #325517

tetradic

#173255 #551751 #553A17 #17551B

square

#173255 #551751 #553A17 #17551B

split-complementary

#173255 #551B17 #515517

monochromatic

#070E18 #0A1625 #173255 #244E85 #316BB5

Accessibility & contrast

On white

12.93

#173255 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#173255 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173255

12.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173255	#FFFFFF	#000000	##FFFFFF
##173255	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)

#223556

Deuteranopia (green-blind)

#192F54

Tritanopia (blue-blind)

#003A3F

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #173255;
/* rgb */ color: rgb(23, 50, 85);
/* oklch */ color: oklch(31.5% 0.071 255.8);

Tailwind

colors: {
  custom: {
    50: '#5c6985',
    500: '#173255',
    950: '#000000',
  },
}

SCSS

$custom: #173255;
$custom-light: #5c6985;
$custom-dark: #000000;

JSON

{
  "hex": "#173255",
  "rgb": {
    "r": 23,
    "g": 50,
    "b": 85
  },
  "hsl": {
    "h": 213.871,
    "s": 57.407,
    "l": 21.176
  },
  "oklch": {
    "l": 0.31542,
    "c": 0.07117,
    "h": 255.8
  },
  "luminance": 0.03119
}

Semantic roles & 50–950 ramp

primary

#173255

secondary

#8C693C

accent

#9E47E1

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04060B

muted

#797A7C

Preview Lab

Preview with #173255

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

Preview Lab → · Contrast checker → · Palette generator →