#171872#171872

#171872 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 28.8% C 0.148 H 271.7°. Best body text is #FFFFFF at 14.89:1 contrast (WCAG AA passes).

Color values

HEX	#171872
RGB	rgb(23, 24, 114)
HSL	hsl(239, 66%, 27%)
HSV	hsv(239, 80%, 45%)
CMYK	cmyk(79.8%, 78.9%, 0%, 55.3%)
CIE-LAB	lab(15.75, 32.86, -51.06)
CIE-LCH	lch(15.75, 60.72, 302.77°)
OKLab	oklab(28.77% 0.0045 -0.1478)
OKLCH	oklch(28.77% 0.148 271.7)
XYZ	xyz(3.7162, 2.0499, 16.1161)
Luminance	0.0205 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171872 #727117

analogous

#174672 #171872 #441772

triadic

#171872 #721718 #187217

tetradic

#171872 #721746 #727117 #177244

square

#171872 #721746 #727117 #177244

split-complementary

#171872 #724417 #467217

monochromatic

#050519 #0D0D3F #171872 #2123A5 #2E30D5

Accessibility & contrast

On white

14.89

#171872 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#171872 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171872

14.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171872	#FFFFFF	#000000	##FFFFFF
##171872	1.00	14.89	1.41	14.89
#FFFFFF	14.89	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C75

Deuteranopia (green-blind)

#002370

Tritanopia (blue-blind)

#003344

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #171872;
/* rgb */ color: rgb(23, 24, 114);
/* oklch */ color: oklch(28.8% 0.148 271.7);

Tailwind

colors: {
  custom: {
    50: '#66569c',
    500: '#171872',
    950: '#000000',
  },
}

SCSS

$custom: #171872;
$custom-light: #66569c;
$custom-dark: #000000;

JSON

{
  "hex": "#171872",
  "rgb": {
    "r": 23,
    "g": 24,
    "b": 114
  },
  "hsl": {
    "h": 239.341,
    "s": 66.423,
    "l": 26.863
  },
  "oklch": {
    "l": 0.28768,
    "c": 0.14788,
    "h": 271.7
  },
  "luminance": 0.0205
}

Semantic roles & 50–950 ramp

primary

#171872

secondary

#A8A63D

accent

#E73EE9

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #171872

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

Preview Lab → · Contrast checker → · Palette generator →