#171868#171868

#171868 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.6% C 0.135 H 272.7°. Best body text is #FFFFFF at 15.36:1 contrast (WCAG AA passes).

Color values

HEX	#171868
RGB	rgb(23, 24, 104)
HSL	hsl(239, 64%, 25%)
HSV	hsv(239, 78%, 41%)
CMYK	cmyk(77.9%, 76.9%, 0%, 59.2%)
CIE-LAB	lab(14.59, 29.21, -46.44)
CIE-LCH	lch(14.59, 54.86, 302.17°)
OKLab	oklab(27.61% 0.0064 -0.1344)
OKLCH	oklch(27.61% 0.135 272.7)
XYZ	xyz(3.1778, 1.8346, 13.2806)
Luminance	0.0184 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171868 #686717

analogous

#174168 #171868 #3E1768

triadic

#171868 #681718 #186817

tetradic

#171868 #681741 #686717 #17683E

square

#171868 #681741 #686717 #17683E

split-complementary

#171868 #683E17 #416817

monochromatic

#060619 #0C0C36 #171868 #22249A #2D2FCC

Accessibility & contrast

On white

15.36

#171868 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#171868 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171868

15.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171868	#FFFFFF	#000000	##FFFFFF
##171868	1.00	15.36	1.37	15.36
#FFFFFF	15.36	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00296A

Deuteranopia (green-blind)

#002167

Tritanopia (blue-blind)

#002F3E

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #171868;
/* rgb */ color: rgb(23, 24, 104);
/* oklch */ color: oklch(27.6% 0.135 272.7);

Tailwind

colors: {
  custom: {
    50: '#635694',
    500: '#171868',
    950: '#000000',
  },
}

SCSS

$custom: #171868;
$custom-light: #635694;
$custom-dark: #000000;

JSON

{
  "hex": "#171868",
  "rgb": {
    "r": 23,
    "g": 24,
    "b": 104
  },
  "hsl": {
    "h": 239.259,
    "s": 63.78,
    "l": 24.902
  },
  "oklch": {
    "l": 0.27607,
    "c": 0.13452,
    "h": 272.7
  },
  "luminance": 0.01835
}

Semantic roles & 50–950 ramp

primary

#171868

secondary

#9E9D3D

accent

#E541E7

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #171868

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

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