#172541#172541

#172541 is a dark, muted blue. Relative luminance 0.019; OKLCH L 26.8% C 0.056 H 263.0°. Best body text is #FFFFFF at 15.25:1 contrast (WCAG AA passes).

Color values

HEX	#172541
RGB	rgb(23, 37, 65)
HSL	hsl(220, 48%, 17%)
HSV	hsv(220, 65%, 25%)
CMYK	cmyk(64.6%, 43.1%, 0%, 74.5%)
CIE-LAB	lab(14.88, 4.20, -19.60)
CIE-LCH	lch(14.88, 20.04, 282.11°)
OKLab	oklab(26.76% -0.0068 -0.0555)
OKLCH	oklch(26.76% 0.056 263)
XYZ	xyz(1.9687, 1.8868, 5.2604)
Luminance	0.0189 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172541 #413317

analogous

#173A41 #172541 #1E1741

triadic

#172541 #411725 #254117

tetradic

#172541 #41173A #413317 #17411E

square

#172541 #41173A #413317 #17411E

split-complementary

#172541 #411E17 #3A4117

monochromatic

#080D17 #080D17 #172541 #273F6E #37589B

Accessibility & contrast

On white

15.25

#172541 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#172541 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172541

15.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172541	#FFFFFF	#000000	##FFFFFF
##172541	1.00	15.25	1.38	15.25
#FFFFFF	15.25	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#192842

Deuteranopia (green-blind)

#142440

Tritanopia (blue-blind)

#002B2F

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #172541;
/* rgb */ color: rgb(23, 37, 65);
/* oklch */ color: oklch(26.8% 0.056 263.0);

Tailwind

colors: {
  custom: {
    50: '#585f76',
    500: '#172541',
    950: '#000000',
  },
}

SCSS

$custom: #172541;
$custom-light: #585f76;
$custom-dark: #000000;

JSON

{
  "hex": "#172541",
  "rgb": {
    "r": 23,
    "g": 37,
    "b": 65
  },
  "hsl": {
    "h": 220,
    "s": 47.727,
    "l": 17.255
  },
  "oklch": {
    "l": 0.26757,
    "c": 0.05595,
    "h": 263
  },
  "luminance": 0.01887
}

Semantic roles & 50–950 ramp

primary

#172541

secondary

#78643C

accent

#AA50D7

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030408

muted

#78797B

Preview Lab

Preview with #172541

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

Preview Lab → · Contrast checker → · Palette generator →