#171C44#171C44

#171C44 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.7% C 0.075 H 274.2°. Best body text is #FFFFFF at 16.33:1 contrast (WCAG AA passes).

Color values

HEX	#171C44
RGB	rgb(23, 28, 68)
HSL	hsl(233, 49%, 18%)
HSV	hsv(233, 66%, 27%)
CMYK	cmyk(66.2%, 58.8%, 0%, 73.3%)
CIE-LAB	lab(12.16, 12.20, -26.05)
CIE-LCH	lch(12.16, 28.76, 295.11°)
OKLab	oklab(24.74% 0.0055 -0.0746)
OKLCH	oklch(24.74% 0.075 274.2)
XYZ	xyz(1.8117, 1.4299, 5.6482)
Luminance	0.0143 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171C44 #443F17

analogous

#173244 #171C44 #281744

triadic

#171C44 #44171C #1C4417

tetradic

#171C44 #441732 #443F17 #174428

square

#171C44 #441732 #443F17 #174428

split-complementary

#171C44 #442817 #324417

monochromatic

#080917 #080917 #171C44 #262F72 #36429F

Accessibility & contrast

On white

16.33

#171C44 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#171C44 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171C44

16.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171C44	#FFFFFF	#000000	##FFFFFF
##171C44	1.00	16.33	1.29	16.33
#FFFFFF	16.33	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#062245

Deuteranopia (green-blind)

#001E43

Tritanopia (blue-blind)

#00252C

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #171c44;
/* rgb */ color: rgb(23, 28, 68);
/* oklch */ color: oklch(24.7% 0.075 274.2);

Tailwind

colors: {
  custom: {
    50: '#595778',
    500: '#171c44',
    950: '#000000',
  },
}

SCSS

$custom: #171c44;
$custom-light: #595778;
$custom-dark: #000000;

JSON

{
  "hex": "#171c44",
  "rgb": {
    "r": 23,
    "g": 28,
    "b": 68
  },
  "hsl": {
    "h": 233.333,
    "s": 49.451,
    "l": 17.843
  },
  "oklch": {
    "l": 0.24743,
    "c": 0.07478,
    "h": 274.2
  },
  "luminance": 0.0143
}

Semantic roles & 50–950 ramp

primary

#171C44

secondary

#7B743C

accent

#CA4FD9

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#040309

muted

#79787B

Preview Lab

Preview with #171C44

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

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