#171247#171247

#171247 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.9% C 0.095 H 280.1°. Best body text is #FFFFFF at 17.30:1 contrast (WCAG AA passes).

Color values

HEX	#171247
RGB	rgb(23, 18, 71)
HSL	hsl(246, 60%, 17%)
HSV	hsv(246, 75%, 28%)
CMYK	cmyk(67.6%, 74.6%, 0%, 72.2%)
CIE-LAB	lab(9.56, 20.76, -32.36)
CIE-LCH	lch(9.56, 38.45, 302.68°)
OKLab	oklab(22.91% 0.0166 -0.0932)
OKLCH	oklch(22.91% 0.095 280.1)
XYZ	xyz(1.7066, 1.0696, 6.0765)
Luminance	0.0107 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171247 #424712

analogous

#122847 #171247 #311247

triadic

#171247 #471712 #124717

tetradic

#171247 #471228 #424712 #124731

square

#171247 #471228 #424712 #124731

split-complementary

#171247 #473112 #284712

monochromatic

#080618 #080618 #171247 #271E78 #372BA9

Accessibility & contrast

On white

17.30

#171247 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#171247 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171247

17.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171247	#FFFFFF	#000000	##FFFFFF
##171247	1.00	17.30	1.21	17.30
#FFFFFF	17.30	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D49

Deuteranopia (green-blind)

#001946

Tritanopia (blue-blind)

#00202A

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #171247;
/* rgb */ color: rgb(23, 18, 71);
/* oklch */ color: oklch(22.9% 0.095 280.1);

Tailwind

colors: {
  custom: {
    50: '#5b507b',
    500: '#171247',
    950: '#000000',
  },
}

SCSS

$custom: #171247;
$custom-light: #5b507b;
$custom-dark: #000000;

JSON

{
  "hex": "#171247",
  "rgb": {
    "r": 23,
    "g": 18,
    "b": 71
  },
  "hsl": {
    "h": 245.66,
    "s": 59.551,
    "l": 17.451
  },
  "oklch": {
    "l": 0.22911,
    "c": 0.0947,
    "h": 280.1
  },
  "luminance": 0.0107
}

Semantic roles & 50–950 ramp

primary

#171247

secondary

#798035

accent

#E345D4

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#040209

muted

#79787B

Preview Lab

Preview with #171247

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

Preview Lab → · Contrast checker → · Palette generator →