#171A47#171A47

#171A47 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.6% C 0.083 H 275.6°. Best body text is #FFFFFF at 16.47:1 contrast (WCAG AA passes).

Color values

HEX	#171A47
RGB	rgb(23, 26, 71)
HSL	hsl(236, 51%, 18%)
HSV	hsv(236, 68%, 28%)
CMYK	cmyk(67.6%, 63.4%, 0%, 72.2%)
CIE-LAB	lab(11.79, 14.93, -28.72)
CIE-LCH	lch(11.79, 32.37, 297.46°)
OKLab	oklab(24.55% 0.0081 -0.0825)
OKLCH	oklch(24.55% 0.083 275.6)
XYZ	xyz(1.8597, 1.3757, 6.1276)
Luminance	0.0138 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171A47 #474417

analogous

#173247 #171A47 #2C1747

triadic

#171A47 #47171A #1A4717

tetradic

#171A47 #471732 #474417 #17472C

square

#171A47 #471732 #474417 #17472C

split-complementary

#171A47 #472C17 #324717

monochromatic

#070817 #080919 #171A47 #262B75 #353CA3

Accessibility & contrast

On white

16.47

#171A47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#171A47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171A47

16.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171A47	#FFFFFF	#000000	##FFFFFF
##171A47	1.00	16.47	1.28	16.47
#FFFFFF	16.47	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002149

Deuteranopia (green-blind)

#001D46

Tritanopia (blue-blind)

#00252D

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #171a47;
/* rgb */ color: rgb(23, 26, 71);
/* oklch */ color: oklch(24.6% 0.083 275.6);

Tailwind

colors: {
  custom: {
    50: '#5a567b',
    500: '#171a47',
    950: '#000000',
  },
}

SCSS

$custom: #171a47;
$custom-light: #5a567b;
$custom-dark: #000000;

JSON

{
  "hex": "#171a47",
  "rgb": {
    "r": 23,
    "g": 26,
    "b": 71
  },
  "hsl": {
    "h": 236.25,
    "s": 51.064,
    "l": 18.431
  },
  "oklch": {
    "l": 0.24553,
    "c": 0.08286,
    "h": 275.6
  },
  "luminance": 0.01376
}

Semantic roles & 50–950 ramp

primary

#171A47

secondary

#7E7A3C

accent

#D24DDB

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#040309

muted

#79787B

Preview Lab

Preview with #171A47

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

Preview Lab → · Contrast checker → · Palette generator →