#171A45#171A45

#171A45 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.4% C 0.080 H 275.8°. Best body text is #FFFFFF at 16.53:1 contrast (WCAG AA passes).

Color values

HEX	#171A45
RGB	rgb(23, 26, 69)
HSL	hsl(236, 50%, 18%)
HSV	hsv(236, 67%, 27%)
CMYK	cmyk(66.7%, 62.3%, 0%, 72.9%)
CIE-LAB	lab(11.62, 14.12, -27.60)
CIE-LCH	lch(11.62, 31.01, 297.09°)
OKLab	oklab(24.37% 0.008 -0.0792)
OKLCH	oklch(24.37% 0.08 275.8)
XYZ	xyz(1.7966, 1.3505, 5.7951)
Luminance	0.0135 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171A45 #454217

analogous

#173145 #171A45 #2B1745

triadic

#171A45 #45171A #1A4517

tetradic

#171A45 #451731 #454217 #17452B

square

#171A45 #451731 #454217 #17452B

split-complementary

#171A45 #452B17 #314517

monochromatic

#080917 #080917 #171A45 #262B73 #363DA1

Accessibility & contrast

On white

16.53

#171A45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#171A45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171A45

16.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171A45	#FFFFFF	#000000	##FFFFFF
##171A45	1.00	16.53	1.27	16.53
#FFFFFF	16.53	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002146

Deuteranopia (green-blind)

#001D44

Tritanopia (blue-blind)

#00242C

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #171a45;
/* rgb */ color: rgb(23, 26, 69);
/* oklch */ color: oklch(24.4% 0.080 275.8);

Tailwind

colors: {
  custom: {
    50: '#5a5679',
    500: '#171a45',
    950: '#000000',
  },
}

SCSS

$custom: #171a45;
$custom-light: #5a5679;
$custom-dark: #000000;

JSON

{
  "hex": "#171a45",
  "rgb": {
    "r": 23,
    "g": 26,
    "b": 69
  },
  "hsl": {
    "h": 236.087,
    "s": 50,
    "l": 18.039
  },
  "oklch": {
    "l": 0.24371,
    "c": 0.07959,
    "h": 275.8
  },
  "luminance": 0.01351
}

Semantic roles & 50–950 ramp

primary

#171A45

secondary

#7C783C

accent

#D04EDA

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#040309

muted

#79787B

Preview Lab

Preview with #171A45

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

Preview Lab → · Contrast checker → · Palette generator →