#172477#172477

#172477 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.4% C 0.141 H 269.1°. Best body text is #FFFFFF at 13.50:1 contrast (WCAG AA passes).

Color values

HEX	#172477
RGB	rgb(23, 36, 119)
HSL	hsl(232, 68%, 28%)
HSV	hsv(232, 81%, 47%)
CMYK	cmyk(80.7%, 69.7%, 0%, 53.3%)
CIE-LAB	lab(19.12, 26.96, -48.72)
CIE-LCH	lch(19.12, 55.68, 298.96°)
OKLab	oklab(31.36% -0.0022 -0.141)
OKLCH	oklch(31.36% 0.141 269.1)
XYZ	xyz(4.3129, 2.7753, 17.7576)
Luminance	0.0278 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172477 #776A17

analogous

#175477 #172477 #3A1777

triadic

#172477 #771724 #247717

tetradic

#172477 #771754 #776A17 #17773A

square

#172477 #771754 #776A17 #17773A

split-complementary

#172477 #773A17 #547717

monochromatic

#05081A #0D1444 #172477 #2134AA #3148D7

Accessibility & contrast

On white

13.50

#172477 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#172477 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172477

13.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172477	#FFFFFF	#000000	##FFFFFF
##172477	1.00	13.50	1.56	13.50
#FFFFFF	13.50	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337A

Deuteranopia (green-blind)

#002A75

Tritanopia (blue-blind)

#003A4A

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #172477;
/* rgb */ color: rgb(23, 36, 119);
/* oklch */ color: oklch(31.4% 0.141 269.1);

Tailwind

colors: {
  custom: {
    50: '#665e9f',
    500: '#172477',
    950: '#000000',
  },
}

SCSS

$custom: #172477;
$custom-light: #665e9f;
$custom-dark: #000000;

JSON

{
  "hex": "#172477",
  "rgb": {
    "r": 23,
    "g": 36,
    "b": 119
  },
  "hsl": {
    "h": 231.875,
    "s": 67.606,
    "l": 27.843
  },
  "oklch": {
    "l": 0.31356,
    "c": 0.14104,
    "h": 269.1
  },
  "luminance": 0.02776
}

Semantic roles & 50–950 ramp

primary

#172477

secondary

#AC9D3E

accent

#D33DEA

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040F

muted

#7A797E

Preview Lab

Preview with #172477

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

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