#171A48#171A48

#171A48 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.6% C 0.084 H 275.5°. Best body text is #FFFFFF at 16.43:1 contrast (WCAG AA passes).

Color values

HEX	#171A48
RGB	rgb(23, 26, 72)
HSL	hsl(236, 52%, 19%)
HSV	hsv(236, 68%, 28%)
CMYK	cmyk(68.1%, 63.9%, 0%, 71.8%)
CIE-LAB	lab(11.88, 15.33, -29.27)
CIE-LCH	lch(11.88, 33.04, 297.64°)
OKLab	oklab(24.65% 0.0081 -0.0841)
OKLCH	oklch(24.65% 0.084 275.5)
XYZ	xyz(1.8921, 1.3887, 6.2980)
Luminance	0.0139 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171A48 #484517

analogous

#173248 #171A48 #2C1748

triadic

#171A48 #48171A #1A4817

tetradic

#171A48 #481732 #484517 #17482C

square

#171A48 #481732 #484517 #17482C

split-complementary

#171A48 #482C17 #324817

monochromatic

#070817 #08091A #171A48 #262B76 #353BA5

Accessibility & contrast

On white

16.43

#171A48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#171A48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171A48

16.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171A48	#FFFFFF	#000000	##FFFFFF
##171A48	1.00	16.43	1.28	16.43
#FFFFFF	16.43	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00214A

Deuteranopia (green-blind)

#001D47

Tritanopia (blue-blind)

#00252E

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #171a48;
/* rgb */ color: rgb(23, 26, 72);
/* oklch */ color: oklch(24.6% 0.084 275.5);

Tailwind

colors: {
  custom: {
    50: '#5a567b',
    500: '#171a48',
    950: '#000000',
  },
}

SCSS

$custom: #171a48;
$custom-light: #5a567b;
$custom-dark: #000000;

JSON

{
  "hex": "#171a48",
  "rgb": {
    "r": 23,
    "g": 26,
    "b": 72
  },
  "hsl": {
    "h": 236.327,
    "s": 51.579,
    "l": 18.627
  },
  "oklch": {
    "l": 0.24645,
    "c": 0.08449,
    "h": 275.5
  },
  "luminance": 0.01389
}

Semantic roles & 50–950 ramp

primary

#171A48

secondary

#7F7B3C

accent

#D24DDB

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#040309

muted

#79787B

Preview Lab

Preview with #171A48

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

Preview Lab → · Contrast checker → · Palette generator →