#173454#173454

#173454 is a dark, moderate cyan. Relative luminance 0.033; OKLCH L 32.0% C 0.067 H 252.6°. Best body text is #FFFFFF at 12.68:1 contrast (WCAG AA passes).

Color values

HEX	#173454
RGB	rgb(23, 52, 84)
HSL	hsl(211, 57%, 21%)
HSV	hsv(211, 73%, 33%)
CMYK	cmyk(72.6%, 38.1%, 0%, 67.1%)
CIE-LAB	lab(21.12, 1.11, -22.63)
CIE-LCH	lch(21.12, 22.66, 272.82°)
OKLab	oklab(32% -0.0201 -0.0642)
OKLCH	oklch(32% 0.067 252.6)
XYZ	xyz(3.1810, 3.2779, 8.8508)
Luminance	0.0328 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173454 #543717

analogous

#175254 #173454 #181754

triadic

#173454 #541734 #345417

tetradic

#173454 #541752 #543717 #175418

square

#173454 #541752 #543717 #175418

split-complementary

#173454 #541817 #525417

monochromatic

#070F18 #0A1624 #173454 #245284 #316FB4

Accessibility & contrast

On white

12.68

#173454 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#173454 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173454

12.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173454	#FFFFFF	#000000	##FFFFFF
##173454	1.00	12.68	1.66	12.68
#FFFFFF	12.68	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#263655

Deuteranopia (green-blind)

#1D3053

Tritanopia (blue-blind)

#003B40

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #173454;
/* rgb */ color: rgb(23, 52, 84);
/* oklch */ color: oklch(32.0% 0.067 252.6);

Tailwind

colors: {
  custom: {
    50: '#5c6b84',
    500: '#173454',
    950: '#000000',
  },
}

SCSS

$custom: #173454;
$custom-light: #5c6b84;
$custom-dark: #000000;

JSON

{
  "hex": "#173454",
  "rgb": {
    "r": 23,
    "g": 52,
    "b": 84
  },
  "hsl": {
    "h": 211.475,
    "s": 57.009,
    "l": 20.98
  },
  "oklch": {
    "l": 0.31999,
    "c": 0.06727,
    "h": 252.6
  },
  "luminance": 0.03278
}

Semantic roles & 50–950 ramp

primary

#173454

secondary

#8B653C

accent

#9848E0

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04060B

muted

#797A7C

Preview Lab

Preview with #173454

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

Preview Lab → · Contrast checker → · Palette generator →