#172D6F#172D6F

#172D6F is a dark, moderate blue. Relative luminance 0.032; OKLCH L 32.4% C 0.118 H 266.0°. Best body text is #FFFFFF at 12.79:1 contrast (WCAG AA passes).

Color values

HEX	#172D6F
RGB	rgb(23, 45, 111)
HSL	hsl(225, 66%, 26%)
HSV	hsv(225, 79%, 44%)
CMYK	cmyk(79.3%, 59.5%, 0%, 56.5%)
CIE-LAB	lab(20.85, 17.36, -40.75)
CIE-LCH	lch(20.85, 44.29, 293.08°)
OKLab	oklab(32.41% -0.0083 -0.1175)
OKLCH	oklch(32.41% 0.118 266)
XYZ	xyz(4.1600, 3.2062, 15.4355)
Luminance	0.0321 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172D6F #6F5917

analogous

#17596F #172D6F #2D176F

triadic

#172D6F #6F172D #2D6F17

tetradic

#172D6F #6F1759 #6F5917 #176F2D

square

#172D6F #6F1759 #6F5917 #176F2D

split-complementary

#172D6F #6F2D17 #596F17

monochromatic

#050A19 #0C183C #172D6F #2242A2 #2D57D3

Accessibility & contrast

On white

12.79

#172D6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#172D6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172D6F

12.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172D6F	#FFFFFF	#000000	##FFFFFF
##172D6F	1.00	12.79	1.64	12.79
#FFFFFF	12.79	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003671

Deuteranopia (green-blind)

#002E6E

Tritanopia (blue-blind)

#003D49

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #172d6f;
/* rgb */ color: rgb(23, 45, 111);
/* oklch */ color: oklch(32.4% 0.118 266.0);

Tailwind

colors: {
  custom: {
    50: '#636599',
    500: '#172d6f',
    950: '#000000',
  },
}

SCSS

$custom: #172d6f;
$custom-light: #636599;
$custom-dark: #000000;

JSON

{
  "hex": "#172d6f",
  "rgb": {
    "r": 23,
    "g": 45,
    "b": 111
  },
  "hsl": {
    "h": 225,
    "s": 65.672,
    "l": 26.275
  },
  "oklch": {
    "l": 0.32409,
    "c": 0.11784,
    "h": 266
  },
  "luminance": 0.03207
}

Semantic roles & 50–950 ramp

primary

#172D6F

secondary

#A58B3D

accent

#BE3FE9

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06050E

muted

#7A7A7E

Preview Lab

Preview with #172D6F

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

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