#171048#171048

#171048 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.7% C 0.099 H 280.7°. Best body text is #FFFFFF at 17.44:1 contrast (WCAG AA passes).

Color values

HEX	#171048
RGB	rgb(23, 16, 72)
HSL	hsl(248, 64%, 17%)
HSV	hsv(248, 78%, 28%)
CMYK	cmyk(68.1%, 77.8%, 0%, 71.8%)
CIE-LAB	lab(9.16, 22.51, -33.71)
CIE-LCH	lch(9.16, 40.54, 303.73°)
OKLab	oklab(22.66% 0.0183 -0.0972)
OKLCH	oklch(22.66% 0.099 280.7)
XYZ	xyz(1.7080, 1.0205, 6.2366)
Luminance	0.0102 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171048 #414810

analogous

#102548 #171048 #331048

triadic

#171048 #481710 #104817

tetradic

#171048 #481025 #414810 #104833

square

#171048 #481025 #414810 #104833

split-complementary

#171048 #483310 #254810

monochromatic

#080619 #080619 #171048 #271B7A #3726AC

Accessibility & contrast

On white

17.44

#171048 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#171048 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171048

17.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171048	#FFFFFF	#000000	##FFFFFF
##171048	1.00	17.44	1.20	17.44
#FFFFFF	17.44	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C4A

Deuteranopia (green-blind)

#001847

Tritanopia (blue-blind)

#001F2A

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #171048;
/* rgb */ color: rgb(23, 16, 72);
/* oklch */ color: oklch(22.7% 0.099 280.7);

Tailwind

colors: {
  custom: {
    50: '#5b4f7c',
    500: '#171048',
    950: '#000000',
  },
}

SCSS

$custom: #171048;
$custom-light: #5b4f7c;
$custom-dark: #000000;

JSON

{
  "hex": "#171048",
  "rgb": {
    "r": 23,
    "g": 16,
    "b": 72
  },
  "hsl": {
    "h": 247.5,
    "s": 63.636,
    "l": 17.255
  },
  "oklch": {
    "l": 0.22658,
    "c": 0.09889,
    "h": 280.7
  },
  "luminance": 0.01021
}

Semantic roles & 50–950 ramp

primary

#171048

secondary

#788232

accent

#E741D2

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#040209

muted

#79787B

Preview Lab

Preview with #171048

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

Preview Lab → · Contrast checker → · Palette generator →