#172279#172279

#172279 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.2% C 0.146 H 269.5°. Best body text is #FFFFFF at 13.62:1 contrast (WCAG AA passes).

Color values

HEX	#172279
RGB	rgb(23, 34, 121)
HSL	hsl(233, 68%, 28%)
HSV	hsv(233, 81%, 47%)
CMYK	cmyk(81%, 71.9%, 0%, 52.5%)
CIE-LAB	lab(18.83, 29.08, -50.48)
CIE-LCH	lch(18.83, 58.26, 299.95°)
OKLab	oklab(31.21% -0.0013 -0.1462)
OKLCH	oklch(31.21% 0.146 269.5)
XYZ	xyz(4.3754, 2.7062, 18.3772)
Luminance	0.0271 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172279 #796E17

analogous

#175379 #172279 #3D1779

triadic

#172279 #791722 #227917

tetradic

#172279 #791753 #796E17 #17793D

square

#172279 #791753 #796E17 #17793D

split-complementary

#172279 #793D17 #537917

monochromatic

#05071A #0D1446 #172279 #2130AC #3245D8

Accessibility & contrast

On white

13.62

#172279 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#172279 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172279

13.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172279	#FFFFFF	#000000	##FFFFFF
##172279	1.00	13.62	1.54	13.62
#FFFFFF	13.62	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337C

Deuteranopia (green-blind)

#002977

Tritanopia (blue-blind)

#003A4A

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #172279;
/* rgb */ color: rgb(23, 34, 121);
/* oklch */ color: oklch(31.2% 0.146 269.5);

Tailwind

colors: {
  custom: {
    50: '#675da1',
    500: '#172279',
    950: '#000000',
  },
}

SCSS

$custom: #172279;
$custom-light: #675da1;
$custom-dark: #000000;

JSON

{
  "hex": "#172279",
  "rgb": {
    "r": 23,
    "g": 34,
    "b": 121
  },
  "hsl": {
    "h": 233.265,
    "s": 68.056,
    "l": 28.235
  },
  "oklch": {
    "l": 0.31205,
    "c": 0.14618,
    "h": 269.5
  },
  "luminance": 0.02707
}

Semantic roles & 50–950 ramp

primary

#172279

secondary

#AEA13E

accent

#D73DEB

background

#F6F5FA

surface

#EBE9F3

border

#C6C5CD

text

#07040F

muted

#7A797F

Preview Lab

Preview with #172279

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

Preview Lab → · Contrast checker → · Palette generator →