#172369#172369

#172369 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 29.7% C 0.122 H 269.7°. Best body text is #FFFFFF at 14.18:1 contrast (WCAG AA passes).

Color values

HEX	#172369
RGB	rgb(23, 35, 105)
HSL	hsl(231, 64%, 25%)
HSV	hsv(231, 78%, 41%)
CMYK	cmyk(78.1%, 66.7%, 0%, 58.8%)
CIE-LAB	lab(17.48, 22.10, -42.35)
CIE-LCH	lch(17.48, 47.77, 297.55°)
OKLab	oklab(29.73% -0.0007 -0.1224)
OKLCH	oklch(29.73% 0.122 269.7)
XYZ	xyz(3.5033, 2.4038, 13.6412)
Luminance	0.0240 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172369 #695D17

analogous

#174C69 #172369 #341769

triadic

#172369 #691723 #236917

tetradic

#172369 #69174C #695D17 #176934

square

#172369 #69174C #695D17 #176934

split-complementary

#172369 #693417 #4C6917

monochromatic

#050819 #0C1237 #172369 #22349B #2D44CD

Accessibility & contrast

On white

14.18

#172369 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#172369 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172369

14.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172369	#FFFFFF	#000000	##FFFFFF
##172369	1.00	14.18	1.48	14.18
#FFFFFF	14.18	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F6B

Deuteranopia (green-blind)

#002768

Tritanopia (blue-blind)

#003542

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #172369;
/* rgb */ color: rgb(23, 35, 105);
/* oklch */ color: oklch(29.7% 0.122 269.7);

Tailwind

colors: {
  custom: {
    50: '#625d95',
    500: '#172369',
    950: '#000000',
  },
}

SCSS

$custom: #172369;
$custom-light: #625d95;
$custom-dark: #000000;

JSON

{
  "hex": "#172369",
  "rgb": {
    "r": 23,
    "g": 35,
    "b": 105
  },
  "hsl": {
    "h": 231.22,
    "s": 64.063,
    "l": 25.098
  },
  "oklch": {
    "l": 0.2973,
    "c": 0.12241,
    "h": 269.7
  },
  "luminance": 0.02404
}

Semantic roles & 50–950 ramp

primary

#172369

secondary

#9F913D

accent

#CF41E7

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040D

muted

#7A797E

Preview Lab

Preview with #172369

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

Preview Lab → · Contrast checker → · Palette generator →