#171335#171335

#171335 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.4% C 0.064 H 284.9°. Best body text is #FFFFFF at 17.78:1 contrast (WCAG AA passes).

Color values

HEX	#171335
RGB	rgb(23, 19, 53)
HSL	hsl(247, 47%, 14%)
HSV	hsv(247, 64%, 21%)
CMYK	cmyk(56.6%, 64.2%, 0%, 79.2%)
CIE-LAB	lab(8.17, 13.15, -21.78)
CIE-LCH	lch(8.17, 25.44, 301.13°)
OKLab	oklab(21.37% 0.0166 -0.0621)
OKLCH	oklch(21.37% 0.064 284.9)
XYZ	xyz(1.2286, 0.9049, 3.4774)
Luminance	0.0091 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.83

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171335 #313513

analogous

#132035 #171335 #281335

triadic

#171335 #351713 #133517

tetradic

#171335 #351320 #313513 #133528

square

#171335 #351320 #313513 #133528

split-complementary

#171335 #352813 #203513

monochromatic

#0A0817 #0A0817 #171335 #2B2362 #3E338F

Accessibility & contrast

On white

17.78

#171335 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#171335 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171335

17.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171335	#FFFFFF	#000000	##FFFFFF
##171335	1.00	17.78	1.18	17.78
#FFFFFF	17.78	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#031936

Deuteranopia (green-blind)

#021734

Tritanopia (blue-blind)

#0D1B21

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #171335;
/* rgb */ color: rgb(23, 19, 53);
/* oklch */ color: oklch(21.4% 0.064 284.9);

Tailwind

colors: {
  custom: {
    50: '#57506c',
    500: '#171335',
    950: '#000000',
  },
}

SCSS

$custom: #171335;
$custom-light: #57506c;
$custom-dark: #000000;

JSON

{
  "hex": "#171335",
  "rgb": {
    "r": 23,
    "g": 19,
    "b": 53
  },
  "hsl": {
    "h": 247.059,
    "s": 47.222,
    "l": 14.118
  },
  "oklch": {
    "l": 0.21374,
    "c": 0.06428,
    "h": 284.9
  },
  "luminance": 0.00905
}

Semantic roles & 50–950 ramp

primary

#171335

secondary

#676D37

accent

#D751C7

background

#F5F4F6

surface

#E9E7EB

border

#C5C3C6

text

#030207

muted

#78787A

Preview Lab

Preview with #171335

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

Preview Lab → · Contrast checker → · Palette generator →