#172174#172174

#172174 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.5% C 0.141 H 269.9°. Best body text is #FFFFFF at 13.94:1 contrast (WCAG AA passes).

Color values

HEX	#172174
RGB	rgb(23, 33, 116)
HSL	hsl(234, 67%, 27%)
HSV	hsv(234, 80%, 45%)
CMYK	cmyk(80.2%, 71.6%, 0%, 54.5%)
CIE-LAB	lab(18.06, 27.83, -48.54)
CIE-LCH	lch(18.06, 55.95, 299.82°)
OKLab	oklab(30.49% -0.0003 -0.1405)
OKLCH	oklch(30.49% 0.141 269.9)
XYZ	xyz(4.0485, 2.5304, 16.7947)
Luminance	0.0253 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172174 #746A17

analogous

#175074 #172174 #3B1774

triadic

#172174 #741721 #217417

tetradic

#172174 #741750 #746A17 #17743B

square

#172174 #741750 #746A17 #17743B

split-complementary

#172174 #743B17 #507417

monochromatic

#05071A #0D1241 #172174 #2130A7 #3041D6

Accessibility & contrast

On white

13.94

#172174 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#172174 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172174

13.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172174	#FFFFFF	#000000	##FFFFFF
##172174	1.00	13.94	1.51	13.94
#FFFFFF	13.94	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003177

Deuteranopia (green-blind)

#002872

Tritanopia (blue-blind)

#003847

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #172174;
/* rgb */ color: rgb(23, 33, 116);
/* oklch */ color: oklch(30.5% 0.141 269.9);

Tailwind

colors: {
  custom: {
    50: '#655c9d',
    500: '#172174',
    950: '#000000',
  },
}

SCSS

$custom: #172174;
$custom-light: #655c9d;
$custom-dark: #000000;

JSON

{
  "hex": "#172174",
  "rgb": {
    "r": 23,
    "g": 33,
    "b": 116
  },
  "hsl": {
    "h": 233.548,
    "s": 66.906,
    "l": 27.255
  },
  "oklch": {
    "l": 0.30488,
    "c": 0.14052,
    "h": 269.9
  },
  "luminance": 0.02531
}

Semantic roles & 50–950 ramp

primary

#172174

secondary

#A99E3D

accent

#D73EEA

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #172174

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

Preview Lab → · Contrast checker → · Palette generator →