#172247#172247

#172247 is a dark, moderate blue. Relative luminance 0.018; OKLCH L 26.4% C 0.071 H 268.8°. Best body text is #FFFFFF at 15.48:1 contrast (WCAG AA passes).

Color values

HEX	#172247
RGB	rgb(23, 34, 71)
HSL	hsl(226, 51%, 18%)
HSV	hsv(226, 68%, 28%)
CMYK	cmyk(67.6%, 52.1%, 0%, 72.2%)
CIE-LAB	lab(14.29, 8.88, -24.69)
CIE-LCH	lch(14.29, 26.24, 289.78°)
OKLab	oklab(26.44% -0.0015 -0.0705)
OKLCH	oklch(26.44% 0.071 268.8)
XYZ	xyz(2.0623, 1.7810, 6.1951)
Luminance	0.0178 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172247 #473C17

analogous

#173A47 #172247 #241747

triadic

#172247 #471722 #224717

tetradic

#172247 #47173A #473C17 #174724

square

#172247 #47173A #473C17 #174724

split-complementary

#172247 #472417 #3A4717

monochromatic

#070B17 #080C19 #172247 #263875 #354EA3

Accessibility & contrast

On white

15.48

#172247 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#172247 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172247

15.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172247	#FFFFFF	#000000	##FFFFFF
##172247	1.00	15.48	1.36	15.48
#FFFFFF	15.48	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#102648

Deuteranopia (green-blind)

#082246

Tritanopia (blue-blind)

#002A31

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #172247;
/* rgb */ color: rgb(23, 34, 71);
/* oklch */ color: oklch(26.4% 0.071 268.8);

Tailwind

colors: {
  custom: {
    50: '#595c7a',
    500: '#172247',
    950: '#000000',
  },
}

SCSS

$custom: #172247;
$custom-light: #595c7a;
$custom-dark: #000000;

JSON

{
  "hex": "#172247",
  "rgb": {
    "r": 23,
    "g": 34,
    "b": 71
  },
  "hsl": {
    "h": 226.25,
    "s": 51.064,
    "l": 18.431
  },
  "oklch": {
    "l": 0.26436,
    "c": 0.07054,
    "h": 268.8
  },
  "luminance": 0.01781
}

Semantic roles & 50–950 ramp

primary

#172247

secondary

#7E6F3C

accent

#BA4DDB

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#040409

muted

#79797B

Preview Lab

Preview with #172247

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

Preview Lab → · Contrast checker → · Palette generator →