#172248#172248

#172248 is a dark, moderate blue. Relative luminance 0.018; OKLCH L 26.5% C 0.072 H 268.9°. Best body text is #FFFFFF at 15.45:1 contrast (WCAG AA passes).

Color values

HEX	#172248
RGB	rgb(23, 34, 72)
HSL	hsl(227, 52%, 19%)
HSV	hsv(227, 68%, 28%)
CMYK	cmyk(68.1%, 52.8%, 0%, 71.8%)
CIE-LAB	lab(14.37, 9.29, -25.27)
CIE-LCH	lch(14.37, 26.92, 290.20°)
OKLab	oklab(26.52% -0.0014 -0.0722)
OKLCH	oklch(26.52% 0.072 268.9)
XYZ	xyz(2.0947, 1.7939, 6.3655)
Luminance	0.0179 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172248 #483D17

analogous

#173A48 #172248 #241748

triadic

#172248 #481722 #224817

tetradic

#172248 #48173A #483D17 #174824

square

#172248 #48173A #483D17 #174824

split-complementary

#172248 #482417 #3A4817

monochromatic

#070B17 #080C1A #172248 #263876 #354EA5

Accessibility & contrast

On white

15.45

#172248 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#172248 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172248

15.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172248	#FFFFFF	#000000	##FFFFFF
##172248	1.00	15.45	1.36	15.45
#FFFFFF	15.45	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F2749

Deuteranopia (green-blind)

#072247

Tritanopia (blue-blind)

#002B31

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #172248;
/* rgb */ color: rgb(23, 34, 72);
/* oklch */ color: oklch(26.5% 0.072 268.9);

Tailwind

colors: {
  custom: {
    50: '#5a5c7b',
    500: '#172248',
    950: '#000000',
  },
}

SCSS

$custom: #172248;
$custom-light: #5a5c7b;
$custom-dark: #000000;

JSON

{
  "hex": "#172248",
  "rgb": {
    "r": 23,
    "g": 34,
    "b": 72
  },
  "hsl": {
    "h": 226.531,
    "s": 51.579,
    "l": 18.627
  },
  "oklch": {
    "l": 0.26516,
    "c": 0.07222,
    "h": 268.9
  },
  "luminance": 0.01794
}

Semantic roles & 50–950 ramp

primary

#172248

secondary

#7F703C

accent

#BB4DDB

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#040409

muted

#79797B

Preview Lab

Preview with #172248

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

Preview Lab → · Contrast checker → · Palette generator →