#172D6D#172D6D

#172D6D is a dark, moderate blue. Relative luminance 0.032; OKLCH L 32.2% C 0.115 H 265.8°. Best body text is #FFFFFF at 12.86:1 contrast (WCAG AA passes).

Color values

HEX	#172D6D
RGB	rgb(23, 45, 109)
HSL	hsl(225, 65%, 26%)
HSV	hsv(225, 79%, 43%)
CMYK	cmyk(78.9%, 58.7%, 0%, 57.3%)
CIE-LAB	lab(20.68, 16.54, -39.73)
CIE-LCH	lch(20.68, 43.03, 292.60°)
OKLab	oklab(32.23% -0.0084 -0.1146)
OKLCH	oklch(32.23% 0.115 265.8)
XYZ	xyz(4.0511, 3.1626, 14.8620)
Luminance	0.0316 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172D6D #6D5717

analogous

#17586D #172D6D #2C176D

triadic

#172D6D #6D172D #2D6D17

tetradic

#172D6D #6D1758 #6D5717 #176D2C

square

#172D6D #6D1758 #6D5717 #176D2C

split-complementary

#172D6D #6D2C17 #586D17

monochromatic

#050A19 #0C183A #172D6D #2242A0 #2C57D2

Accessibility & contrast

On white

12.86

#172D6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#172D6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172D6D

12.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172D6D	#FFFFFF	#000000	##FFFFFF
##172D6D	1.00	12.86	1.63	12.86
#FFFFFF	12.86	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00366F

Deuteranopia (green-blind)

#002E6C

Tritanopia (blue-blind)

#003D48

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #172d6d;
/* rgb */ color: rgb(23, 45, 109);
/* oklch */ color: oklch(32.2% 0.115 265.8);

Tailwind

colors: {
  custom: {
    50: '#626597',
    500: '#172d6d',
    950: '#000000',
  },
}

SCSS

$custom: #172d6d;
$custom-light: #626597;
$custom-dark: #000000;

JSON

{
  "hex": "#172d6d",
  "rgb": {
    "r": 23,
    "g": 45,
    "b": 109
  },
  "hsl": {
    "h": 224.651,
    "s": 65.152,
    "l": 25.882
  },
  "oklch": {
    "l": 0.3223,
    "c": 0.11487,
    "h": 265.8
  },
  "luminance": 0.03163
}

Semantic roles & 50–950 ramp

primary

#172D6D

secondary

#A3893D

accent

#BD40E8

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06050D

muted

#7A7A7E

Preview Lab

Preview with #172D6D

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

Preview Lab → · Contrast checker → · Palette generator →