#172453#172453

#172453 is a dark, moderate blue. Relative luminance 0.021; OKLCH L 27.9% C 0.087 H 268.6°. Best body text is #FFFFFF at 14.86:1 contrast (WCAG AA passes).

Color values

HEX	#172453
RGB	rgb(23, 36, 83)
HSL	hsl(227, 57%, 21%)
HSV	hsv(227, 72%, 33%)
CMYK	cmyk(72.3%, 56.6%, 0%, 67.5%)
CIE-LAB	lab(15.84, 12.34, -30.40)
CIE-LCH	lch(15.84, 32.81, 292.09°)
OKLab	oklab(27.91% -0.0022 -0.0873)
OKLCH	oklch(27.91% 0.087 268.6)
XYZ	xyz(2.5450, 2.0682, 8.4470)
Luminance	0.0207 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172453 #534617

analogous

#174253 #172453 #281753

triadic

#172453 #531724 #245317

tetradic

#172453 #531742 #534617 #175328

square

#172453 #531742 #534617 #175328

split-complementary

#172453 #532817 #425317

monochromatic

#070A18 #0A0F23 #172453 #243983 #324EB3

Accessibility & contrast

On white

14.86

#172453 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#172453 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172453

14.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172453	#FFFFFF	#000000	##FFFFFF
##172453	1.00	14.86	1.41	14.86
#FFFFFF	14.86	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#072A55

Deuteranopia (green-blind)

#002552

Tritanopia (blue-blind)

#002F37

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #172453;
/* rgb */ color: rgb(23, 36, 83);
/* oklch */ color: oklch(27.9% 0.087 268.6);

Tailwind

colors: {
  custom: {
    50: '#5c5e84',
    500: '#172453',
    950: '#000000',
  },
}

SCSS

$custom: #172453;
$custom-light: #5c5e84;
$custom-dark: #000000;

JSON

{
  "hex": "#172453",
  "rgb": {
    "r": 23,
    "g": 36,
    "b": 83
  },
  "hsl": {
    "h": 227,
    "s": 56.604,
    "l": 20.784
  },
  "oklch": {
    "l": 0.27905,
    "c": 0.08731,
    "h": 268.6
  },
  "luminance": 0.02068
}

Semantic roles & 50–950 ramp

primary

#172453

secondary

#8A793C

accent

#BF48E0

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04040B

muted

#79797C

Preview Lab

Preview with #172453

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

Preview Lab → · Contrast checker → · Palette generator →