#171A44#171A44

#171A44 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.3% C 0.078 H 275.9°. Best body text is #FFFFFF at 16.57:1 contrast (WCAG AA passes).

Color values

HEX	#171A44
RGB	rgb(23, 26, 68)
HSL	hsl(236, 49%, 18%)
HSV	hsv(236, 66%, 27%)
CMYK	cmyk(66.2%, 61.8%, 0%, 73.3%)
CIE-LAB	lab(11.54, 13.72, -27.04)
CIE-LCH	lch(11.54, 30.32, 296.90°)
OKLab	oklab(24.28% 0.008 -0.0775)
OKLCH	oklch(24.28% 0.078 275.9)
XYZ	xyz(1.7658, 1.3382, 5.6330)
Luminance	0.0134 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171A44 #444117

analogous

#173044 #171A44 #2A1744

triadic

#171A44 #44171A #1A4417

tetradic

#171A44 #441730 #444117 #17442A

square

#171A44 #441730 #444117 #17442A

split-complementary

#171A44 #442A17 #304417

monochromatic

#080917 #080917 #171A44 #262B72 #363D9F

Accessibility & contrast

On white

16.57

#171A44 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#171A44 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171A44

16.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171A44	#FFFFFF	#000000	##FFFFFF
##171A44	1.00	16.57	1.27	16.57
#FFFFFF	16.57	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#012145

Deuteranopia (green-blind)

#001D43

Tritanopia (blue-blind)

#00242C

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #171a44;
/* rgb */ color: rgb(23, 26, 68);
/* oklch */ color: oklch(24.3% 0.078 275.9);

Tailwind

colors: {
  custom: {
    50: '#595678',
    500: '#171a44',
    950: '#000000',
  },
}

SCSS

$custom: #171a44;
$custom-light: #595678;
$custom-dark: #000000;

JSON

{
  "hex": "#171a44",
  "rgb": {
    "r": 23,
    "g": 26,
    "b": 68
  },
  "hsl": {
    "h": 236,
    "s": 49.451,
    "l": 17.843
  },
  "oklch": {
    "l": 0.24281,
    "c": 0.07794,
    "h": 275.9
  },
  "luminance": 0.01338
}

Semantic roles & 50–950 ramp

primary

#171A44

secondary

#7B773C

accent

#D04FD9

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#040309

muted

#79787B

Preview Lab

Preview with #171A44

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

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