#171972#171972

#171972 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 28.9% C 0.147 H 271.6°. Best body text is #FFFFFF at 14.81:1 contrast (WCAG AA passes).

Color values

HEX	#171972
RGB	rgb(23, 25, 114)
HSL	hsl(239, 66%, 27%)
HSV	hsv(239, 80%, 45%)
CMYK	cmyk(79.8%, 78.1%, 0%, 55.3%)
CIE-LAB	lab(15.96, 32.25, -50.70)
CIE-LCH	lch(15.96, 60.09, 302.46°)
OKLab	oklab(28.92% 0.0041 -0.1468)
OKLCH	oklch(28.92% 0.147 271.6)
XYZ	xyz(3.7372, 2.0919, 16.1231)
Luminance	0.0209 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171972 #727017

analogous

#174772 #171972 #431772

triadic

#171972 #721719 #197217

tetradic

#171972 #721747 #727017 #177243

square

#171972 #721747 #727017 #177243

split-complementary

#171972 #724317 #477217

monochromatic

#050619 #0D0E3F #171972 #2124A5 #2E32D5

Accessibility & contrast

On white

14.81

#171972 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#171972 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171972

14.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171972	#FFFFFF	#000000	##FFFFFF
##171972	1.00	14.81	1.42	14.81
#FFFFFF	14.81	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C75

Deuteranopia (green-blind)

#002370

Tritanopia (blue-blind)

#003344

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #171972;
/* rgb */ color: rgb(23, 25, 114);
/* oklch */ color: oklch(28.9% 0.147 271.6);

Tailwind

colors: {
  custom: {
    50: '#66579c',
    500: '#171972',
    950: '#000000',
  },
}

SCSS

$custom: #171972;
$custom-light: #66579c;
$custom-dark: #000000;

JSON

{
  "hex": "#171972",
  "rgb": {
    "r": 23,
    "g": 25,
    "b": 114
  },
  "hsl": {
    "h": 238.681,
    "s": 66.423,
    "l": 26.863
  },
  "oklch": {
    "l": 0.28921,
    "c": 0.14685,
    "h": 271.6
  },
  "luminance": 0.02092
}

Semantic roles & 50–950 ramp

primary

#171972

secondary

#A8A53D

accent

#E63EE9

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #171972

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

Preview Lab → · Contrast checker → · Palette generator →