#171248#171248

#171248 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.0% C 0.096 H 279.8°. Best body text is #FFFFFF at 17.26:1 contrast (WCAG AA passes).

Color values

HEX	#171248
RGB	rgb(23, 18, 72)
HSL	hsl(246, 60%, 18%)
HSV	hsv(246, 75%, 28%)
CMYK	cmyk(68.1%, 75%, 0%, 71.8%)
CIE-LAB	lab(9.66, 21.15, -32.89)
CIE-LCH	lch(9.66, 39.11, 302.73°)
OKLab	oklab(23.02% 0.0165 -0.0948)
OKLCH	oklch(23.02% 0.096 279.8)
XYZ	xyz(1.7390, 1.0825, 6.2469)
Luminance	0.0108 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171248 #434812

analogous

#122848 #171248 #321248

triadic

#171248 #481712 #124817

tetradic

#171248 #481228 #434812 #124832

square

#171248 #481228 #434812 #124832

split-complementary

#171248 #483212 #284812

monochromatic

#080618 #080618 #171248 #271E79 #362AAA

Accessibility & contrast

On white

17.26

#171248 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#171248 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171248

17.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171248	#FFFFFF	#000000	##FFFFFF
##171248	1.00	17.26	1.22	17.26
#FFFFFF	17.26	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D4A

Deuteranopia (green-blind)

#001947

Tritanopia (blue-blind)

#00202B

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #171248;
/* rgb */ color: rgb(23, 18, 72);
/* oklch */ color: oklch(23.0% 0.096 279.8);

Tailwind

colors: {
  custom: {
    50: '#5b507c',
    500: '#171248',
    950: '#000000',
  },
}

SCSS

$custom: #171248;
$custom-light: #5b507c;
$custom-dark: #000000;

JSON

{
  "hex": "#171248",
  "rgb": {
    "r": 23,
    "g": 18,
    "b": 72
  },
  "hsl": {
    "h": 245.556,
    "s": 60,
    "l": 17.647
  },
  "oklch": {
    "l": 0.23017,
    "c": 0.09621,
    "h": 279.8
  },
  "luminance": 0.01083
}

Semantic roles & 50–950 ramp

primary

#171248

secondary

#7A8135

accent

#E345D4

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#040209

muted

#79787B

Preview Lab

Preview with #171248

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

Preview Lab → · Contrast checker → · Palette generator →