#172D6C#172D6C

#172D6C is a dark, moderate blue. Relative luminance 0.031; OKLCH L 32.1% C 0.113 H 265.7°. Best body text is #FFFFFF at 12.90:1 contrast (WCAG AA passes).

Color values

HEX	#172D6C
RGB	rgb(23, 45, 108)
HSL	hsl(224, 65%, 26%)
HSV	hsv(224, 79%, 42%)
CMYK	cmyk(78.7%, 58.3%, 0%, 57.6%)
CIE-LAB	lab(20.60, 16.12, -39.22)
CIE-LCH	lch(20.60, 42.40, 292.35°)
OKLab	oklab(32.14% -0.0085 -0.113)
OKLCH	oklch(32.14% 0.113 265.7)
XYZ	xyz(3.9976, 3.1412, 14.5801)
Luminance	0.0314 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172D6C #6C5617

analogous

#17576C #172D6C #2C176C

triadic

#172D6C #6C172D #2D6C17

tetradic

#172D6C #6C1757 #6C5617 #176C2C

square

#172D6C #6C1757 #6C5617 #176C2C

split-complementary

#172D6C #6C2C17 #576C17

monochromatic

#050B19 #0C183A #172D6C #22429E #2C57D1

Accessibility & contrast

On white

12.90

#172D6C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#172D6C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172D6C

12.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172D6C	#FFFFFF	#000000	##FFFFFF
##172D6C	1.00	12.90	1.63	12.90
#FFFFFF	12.90	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00366E

Deuteranopia (green-blind)

#002E6B

Tritanopia (blue-blind)

#003C47

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #172d6c;
/* rgb */ color: rgb(23, 45, 108);
/* oklch */ color: oklch(32.1% 0.113 265.7);

Tailwind

colors: {
  custom: {
    50: '#626597',
    500: '#172d6c',
    950: '#000000',
  },
}

SCSS

$custom: #172d6c;
$custom-light: #626597;
$custom-dark: #000000;

JSON

{
  "hex": "#172d6c",
  "rgb": {
    "r": 23,
    "g": 45,
    "b": 108
  },
  "hsl": {
    "h": 224.471,
    "s": 64.885,
    "l": 25.686
  },
  "oklch": {
    "l": 0.32141,
    "c": 0.11337,
    "h": 265.7
  },
  "luminance": 0.03142
}

Semantic roles & 50–950 ramp

primary

#172D6C

secondary

#A2883D

accent

#BC40E8

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06050D

muted

#7A7A7E

Preview Lab

Preview with #172D6C

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

Preview Lab → · Contrast checker → · Palette generator →