#172945#172945

#172945 is a dark, muted blue. Relative luminance 0.022; OKLCH L 28.1% C 0.057 H 258.9°. Best body text is #FFFFFF at 14.59:1 contrast (WCAG AA passes).

Color values

HEX	#172945
RGB	rgb(23, 41, 69)
HSL	hsl(217, 50%, 18%)
HSV	hsv(217, 67%, 27%)
CMYK	cmyk(66.7%, 40.6%, 0%, 72.9%)
CIE-LAB	lab(16.49, 2.88, -19.82)
CIE-LCH	lch(16.49, 20.03, 278.26°)
OKLab	oklab(28.09% -0.011 -0.0561)
OKLCH	oklch(28.09% 0.057 258.9)
XYZ	xyz(2.2201, 2.1975, 5.9362)
Luminance	0.0220 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172945 #453317

analogous

#174045 #172945 #1C1745

triadic

#172945 #451729 #294517

tetradic

#172945 #451740 #453317 #17451C

square

#172945 #451740 #453317 #17451C

split-complementary

#172945 #451C17 #404517

monochromatic

#080E17 #080E17 #172945 #264473 #3660A1

Accessibility & contrast

On white

14.59

#172945 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#172945 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172945

14.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172945	#FFFFFF	#000000	##FFFFFF
##172945	1.00	14.59	1.44	14.59
#FFFFFF	14.59	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D2B46

Deuteranopia (green-blind)

#172744

Tritanopia (blue-blind)

#002F33

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #172945;
/* rgb */ color: rgb(23, 41, 69);
/* oklch */ color: oklch(28.1% 0.057 258.9);

Tailwind

colors: {
  custom: {
    50: '#596279',
    500: '#172945',
    950: '#000000',
  },
}

SCSS

$custom: #172945;
$custom-light: #596279;
$custom-dark: #000000;

JSON

{
  "hex": "#172945",
  "rgb": {
    "r": 23,
    "g": 41,
    "b": 69
  },
  "hsl": {
    "h": 216.522,
    "s": 50,
    "l": 18.039
  },
  "oklch": {
    "l": 0.28088,
    "c": 0.05719,
    "h": 258.9
  },
  "luminance": 0.02198
}

Semantic roles & 50–950 ramp

primary

#172945

secondary

#7C633C

accent

#A34EDA

background

#F5F5F7

surface

#E9EAED

border

#C5C6C8

text

#040509

muted

#79797B

Preview Lab

Preview with #172945

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

Preview Lab → · Contrast checker → · Palette generator →