#172C68#172C68

#172C68 is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.6% C 0.109 H 265.8°. Best body text is #FFFFFF at 13.15:1 contrast (WCAG AA passes).

Color values

HEX	#172C68
RGB	rgb(23, 44, 104)
HSL	hsl(224, 64%, 25%)
HSV	hsv(224, 78%, 41%)
CMYK	cmyk(77.9%, 57.7%, 0%, 59.2%)
CIE-LAB	lab(19.97, 15.18, -37.64)
CIE-LCH	lch(19.97, 40.58, 291.97°)
OKLab	oklab(31.57% -0.0079 -0.1084)
OKLCH	oklch(31.57% 0.109 265.8)
XYZ	xyz(3.7518, 2.9826, 13.4720)
Luminance	0.0298 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172C68 #685317

analogous

#175568 #172C68 #2A1768

triadic

#172C68 #68172C #2C6817

tetradic

#172C68 #681755 #685317 #17682A

square

#172C68 #681755 #685317 #17682A

split-complementary

#172C68 #682A17 #556817

monochromatic

#060B19 #0C1736 #172C68 #22419A #2D56CC

Accessibility & contrast

On white

13.15

#172C68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#172C68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172C68

13.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172C68	#FFFFFF	#000000	##FFFFFF
##172C68	1.00	13.15	1.60	13.15
#FFFFFF	13.15	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00346A

Deuteranopia (green-blind)

#002D67

Tritanopia (blue-blind)

#003B45

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #172c68;
/* rgb */ color: rgb(23, 44, 104);
/* oklch */ color: oklch(31.6% 0.109 265.8);

Tailwind

colors: {
  custom: {
    50: '#616494',
    500: '#172c68',
    950: '#000000',
  },
}

SCSS

$custom: #172c68;
$custom-light: #616494;
$custom-dark: #000000;

JSON

{
  "hex": "#172c68",
  "rgb": {
    "r": 23,
    "g": 44,
    "b": 104
  },
  "hsl": {
    "h": 224.444,
    "s": 63.78,
    "l": 24.902
  },
  "oklch": {
    "l": 0.31565,
    "c": 0.10871,
    "h": 265.8
  },
  "luminance": 0.02983
}

Semantic roles & 50–950 ramp

primary

#172C68

secondary

#9E853D

accent

#BC41E7

background

#F6F5F9

surface

#EBEAF1

border

#C6C6CB

text

#06050D

muted

#7A797E

Preview Lab

Preview with #172C68

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

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