#171044#171044

#171044 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.2% C 0.093 H 281.8°. Best body text is #FFFFFF at 17.59:1 contrast (WCAG AA passes).

Color values

HEX	#171044
RGB	rgb(23, 16, 68)
HSL	hsl(248, 62%, 16%)
HSV	hsv(248, 76%, 27%)
CMYK	cmyk(66.2%, 76.5%, 0%, 73.3%)
CIE-LAB	lab(8.74, 21.02, -31.60)
CIE-LCH	lch(8.74, 37.95, 303.63°)
OKLab	oklab(22.23% 0.0191 -0.091)
OKLCH	oklch(22.23% 0.093 281.8)
XYZ	xyz(1.5817, 0.9700, 5.5716)
Luminance	0.0097 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171044 #3D4410

analogous

#102344 #171044 #311044

triadic

#171044 #441710 #104417

tetradic

#171044 #441023 #3D4410 #104431

square

#171044 #441023 #3D4410 #104431

split-complementary

#171044 #443110 #234410

monochromatic

#080619 #080619 #171044 #281C76 #3927A7

Accessibility & contrast

On white

17.59

#171044 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#171044 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171044

17.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171044	#FFFFFF	#000000	##FFFFFF
##171044	1.00	17.59	1.19	17.59
#FFFFFF	17.59	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B46

Deuteranopia (green-blind)

#001743

Tritanopia (blue-blind)

#001E28

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #171044;
/* rgb */ color: rgb(23, 16, 68);
/* oklch */ color: oklch(22.2% 0.093 281.8);

Tailwind

colors: {
  custom: {
    50: '#5a4e78',
    500: '#171044',
    950: '#000000',
  },
}

SCSS

$custom: #171044;
$custom-light: #5a4e78;
$custom-dark: #000000;

JSON

{
  "hex": "#171044",
  "rgb": {
    "r": 23,
    "g": 16,
    "b": 68
  },
  "hsl": {
    "h": 248.077,
    "s": 61.905,
    "l": 16.471
  },
  "oklch": {
    "l": 0.22225,
    "c": 0.09297,
    "h": 281.8
  },
  "luminance": 0.0097
}

Semantic roles & 50–950 ramp

primary

#171044

secondary

#747E32

accent

#E543CF

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040109

muted

#79777B

Preview Lab

Preview with #171044

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

Preview Lab → · Contrast checker → · Palette generator →