#171A42#171A42

#171A42 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.1% C 0.075 H 276.0°. Best body text is #FFFFFF at 16.63:1 contrast (WCAG AA passes).

Color values

HEX	#171A42
RGB	rgb(23, 26, 66)
HSL	hsl(236, 48%, 17%)
HSV	hsv(236, 65%, 26%)
CMYK	cmyk(65.2%, 60.6%, 0%, 74.1%)
CIE-LAB	lab(11.37, 12.91, -25.91)
CIE-LCH	lch(11.37, 28.95, 296.50°)
OKLab	oklab(24.1% 0.0079 -0.0742)
OKLCH	oklch(24.1% 0.075 276)
XYZ	xyz(1.7058, 1.3142, 5.3170)
Luminance	0.0131 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171A42 #423F17

analogous

#173042 #171A42 #2A1742

triadic

#171A42 #42171A #1A4217

tetradic

#171A42 #421730 #423F17 #17422A

square

#171A42 #421730 #423F17 #17422A

split-complementary

#171A42 #422A17 #304217

monochromatic

#080917 #080917 #171A42 #272C6F #373E9D

Accessibility & contrast

On white

16.63

#171A42 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#171A42 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171A42

16.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171A42	#FFFFFF	#000000	##FFFFFF
##171A42	1.00	16.63	1.26	16.63
#FFFFFF	16.63	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#032043

Deuteranopia (green-blind)

#001C41

Tritanopia (blue-blind)

#01232B

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #171a42;
/* rgb */ color: rgb(23, 26, 66);
/* oklch */ color: oklch(24.1% 0.075 276.0);

Tailwind

colors: {
  custom: {
    50: '#595677',
    500: '#171a42',
    950: '#000000',
  },
}

SCSS

$custom: #171a42;
$custom-light: #595677;
$custom-dark: #000000;

JSON

{
  "hex": "#171a42",
  "rgb": {
    "r": 23,
    "g": 26,
    "b": 66
  },
  "hsl": {
    "h": 235.814,
    "s": 48.315,
    "l": 17.451
  },
  "oklch": {
    "l": 0.24105,
    "c": 0.0746,
    "h": 276
  },
  "luminance": 0.01314
}

Semantic roles & 50–950 ramp

primary

#171A42

secondary

#79753C

accent

#CE50D8

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#040308

muted

#79787B

Preview Lab

Preview with #171A42

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

Preview Lab → · Contrast checker → · Palette generator →