#172D68#172D68

#172D68 is a dark, moderate blue. Relative luminance 0.031; OKLCH L 31.8% C 0.107 H 265.3°. Best body text is #FFFFFF at 13.03:1 contrast (WCAG AA passes).

Color values

HEX	#172D68
RGB	rgb(23, 45, 104)
HSL	hsl(224, 64%, 25%)
HSV	hsv(224, 78%, 41%)
CMYK	cmyk(77.9%, 56.7%, 0%, 59.2%)
CIE-LAB	lab(20.27, 14.46, -37.15)
CIE-LCH	lch(20.27, 39.86, 291.26°)
OKLab	oklab(31.79% -0.0088 -0.107)
OKLCH	oklch(31.79% 0.107 265.3)
XYZ	xyz(3.7895, 3.0580, 13.4846)
Luminance	0.0306 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172D68 #685217

analogous

#175568 #172D68 #2A1768

triadic

#172D68 #68172D #2D6817

tetradic

#172D68 #681755 #685217 #17682A

square

#172D68 #681755 #685217 #17682A

split-complementary

#172D68 #682A17 #556817

monochromatic

#060B19 #0C1736 #172D68 #22439A #2D58CC

Accessibility & contrast

On white

13.03

#172D68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#172D68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172D68

13.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172D68	#FFFFFF	#000000	##FFFFFF
##172D68	1.00	13.03	1.61	13.03
#FFFFFF	13.03	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#02356A

Deuteranopia (green-blind)

#002D67

Tritanopia (blue-blind)

#003B45

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #172d68;
/* rgb */ color: rgb(23, 45, 104);
/* oklch */ color: oklch(31.8% 0.107 265.3);

Tailwind

colors: {
  custom: {
    50: '#616594',
    500: '#172d68',
    950: '#000000',
  },
}

SCSS

$custom: #172d68;
$custom-light: #616594;
$custom-dark: #000000;

JSON

{
  "hex": "#172d68",
  "rgb": {
    "r": 23,
    "g": 45,
    "b": 104
  },
  "hsl": {
    "h": 223.704,
    "s": 63.78,
    "l": 24.902
  },
  "oklch": {
    "l": 0.31792,
    "c": 0.10733,
    "h": 265.3
  },
  "luminance": 0.03058
}

Semantic roles & 50–950 ramp

primary

#172D68

secondary

#9E843D

accent

#BA41E7

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#06050D

muted

#7A7A7E

Preview Lab

Preview with #172D68

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

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