#172773#172773

#172773 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 31.5% C 0.132 H 268.3°. Best body text is #FFFFFF at 13.34:1 contrast (WCAG AA passes).

Color values

HEX	#172773
RGB	rgb(23, 39, 115)
HSL	hsl(230, 67%, 27%)
HSV	hsv(230, 80%, 45%)
CMYK	cmyk(80%, 66.1%, 0%, 54.9%)
CIE-LAB	lab(19.52, 23.29, -45.50)
CIE-LCH	lch(19.52, 51.11, 297.10°)
OKLab	oklab(31.53% -0.0039 -0.1316)
OKLCH	oklch(31.53% 0.132 268.3)
XYZ	xyz(4.1723, 2.8705, 16.5505)
Luminance	0.0287 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172773 #736317

analogous

#175573 #172773 #351773

triadic

#172773 #731727 #277317

tetradic

#172773 #731755 #736317 #177335

square

#172773 #731755 #736317 #177335

split-complementary

#172773 #733517 #557317

monochromatic

#05091A #0D1640 #172773 #2138A6 #2F4CD5

Accessibility & contrast

On white

13.34

#172773 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#172773 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172773

13.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172773	#FFFFFF	#000000	##FFFFFF
##172773	1.00	13.34	1.57	13.34
#FFFFFF	13.34	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003475

Deuteranopia (green-blind)

#002B72

Tritanopia (blue-blind)

#003B49

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #172773;
/* rgb */ color: rgb(23, 39, 115);
/* oklch */ color: oklch(31.5% 0.132 268.3);

Tailwind

colors: {
  custom: {
    50: '#65619c',
    500: '#172773',
    950: '#000000',
  },
}

SCSS

$custom: #172773;
$custom-light: #65619c;
$custom-dark: #000000;

JSON

{
  "hex": "#172773",
  "rgb": {
    "r": 23,
    "g": 39,
    "b": 115
  },
  "hsl": {
    "h": 229.565,
    "s": 66.667,
    "l": 27.059
  },
  "oklch": {
    "l": 0.31527,
    "c": 0.13164,
    "h": 268.3
  },
  "luminance": 0.02871
}

Semantic roles & 50–950 ramp

primary

#172773

secondary

#A9963D

accent

#CC3EEA

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #172773

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

Preview Lab → · Contrast checker → · Palette generator →