#172872#172872

#172872 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 31.6% C 0.129 H 268.0°. Best body text is #FFFFFF at 13.27:1 contrast (WCAG AA passes).

Color values

HEX	#172872
RGB	rgb(23, 40, 114)
HSL	hsl(229, 66%, 27%)
HSV	hsv(229, 80%, 45%)
CMYK	cmyk(79.8%, 64.9%, 0%, 55.3%)
CIE-LAB	lab(19.70, 22.17, -44.56)
CIE-LCH	lch(19.70, 49.77, 296.46°)
OKLab	oklab(31.63% -0.0045 -0.1288)
OKLCH	oklch(31.63% 0.129 268)
XYZ	xyz(4.1483, 2.9142, 16.2602)
Luminance	0.0291 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172872 #726117

analogous

#175672 #172872 #341772

triadic

#172872 #721728 #287217

tetradic

#172872 #721756 #726117 #177234

square

#172872 #721756 #726117 #177234

split-complementary

#172872 #723417 #567217

monochromatic

#050919 #0D163F #172872 #213AA5 #2E4ED5

Accessibility & contrast

On white

13.27

#172872 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#172872 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172872

13.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172872	#FFFFFF	#000000	##FFFFFF
##172872	1.00	13.27	1.58	13.27
#FFFFFF	13.27	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003474

Deuteranopia (green-blind)

#002B71

Tritanopia (blue-blind)

#003B49

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #172872;
/* rgb */ color: rgb(23, 40, 114);
/* oklch */ color: oklch(31.6% 0.129 268.0);

Tailwind

colors: {
  custom: {
    50: '#64619b',
    500: '#172872',
    950: '#000000',
  },
}

SCSS

$custom: #172872;
$custom-light: #64619b;
$custom-dark: #000000;

JSON

{
  "hex": "#172872",
  "rgb": {
    "r": 23,
    "g": 40,
    "b": 114
  },
  "hsl": {
    "h": 228.791,
    "s": 66.423,
    "l": 26.863
  },
  "oklch": {
    "l": 0.31631,
    "c": 0.12891,
    "h": 268
  },
  "luminance": 0.02915
}

Semantic roles & 50–950 ramp

primary

#172872

secondary

#A8943D

accent

#C93EE9

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #172872

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

Preview Lab → · Contrast checker → · Palette generator →