#172D69#172D69

#172D69 is a dark, moderate blue. Relative luminance 0.031; OKLCH L 31.9% C 0.109 H 265.4°. Best body text is #FFFFFF at 13.00:1 contrast (WCAG AA passes).

Color values

HEX	#172D69
RGB	rgb(23, 45, 105)
HSL	hsl(224, 64%, 25%)
HSV	hsv(224, 78%, 41%)
CMYK	cmyk(78.1%, 57.1%, 0%, 58.8%)
CIE-LAB	lab(20.36, 14.87, -37.67)
CIE-LCH	lch(20.36, 40.50, 291.55°)
OKLab	oklab(31.88% -0.0087 -0.1085)
OKLCH	oklch(31.88% 0.109 265.4)
XYZ	xyz(3.8406, 3.0784, 13.7536)
Luminance	0.0308 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172D69 #695317

analogous

#175669 #172D69 #2A1769

triadic

#172D69 #69172D #2D6917

tetradic

#172D69 #691756 #695317 #17692A

square

#172D69 #691756 #695317 #17692A

split-complementary

#172D69 #692A17 #566917

monochromatic

#050B19 #0C1737 #172D69 #22439B #2D58CD

Accessibility & contrast

On white

13.00

#172D69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#172D69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172D69

13.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172D69	#FFFFFF	#000000	##FFFFFF
##172D69	1.00	13.00	1.62	13.00
#FFFFFF	13.00	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	13.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00356B

Deuteranopia (green-blind)

#002D68

Tritanopia (blue-blind)

#003C46

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #172d69;
/* rgb */ color: rgb(23, 45, 105);
/* oklch */ color: oklch(31.9% 0.109 265.4);

Tailwind

colors: {
  custom: {
    50: '#616594',
    500: '#172d69',
    950: '#000000',
  },
}

SCSS

$custom: #172d69;
$custom-light: #616594;
$custom-dark: #000000;

JSON

{
  "hex": "#172d69",
  "rgb": {
    "r": 23,
    "g": 45,
    "b": 105
  },
  "hsl": {
    "h": 223.902,
    "s": 64.063,
    "l": 25.098
  },
  "oklch": {
    "l": 0.31879,
    "c": 0.10885,
    "h": 265.4
  },
  "luminance": 0.03079
}

Semantic roles & 50–950 ramp

primary

#172D69

secondary

#9F853D

accent

#BA41E7

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#06050D

muted

#7A7A7E

Preview Lab

Preview with #172D69

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

Preview Lab → · Contrast checker → · Palette generator →