#171355#171355

#171355 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.6% C 0.114 H 276.7°. Best body text is #FFFFFF at 16.66:1 contrast (WCAG AA passes).

Color values

HEX	#171355
RGB	rgb(23, 19, 85)
HSL	hsl(244, 63%, 20%)
HSV	hsv(244, 78%, 33%)
CMYK	cmyk(72.9%, 77.6%, 0%, 66.7%)
CIE-LAB	lab(11.30, 25.37, -39.16)
CIE-LCH	lch(11.30, 46.66, 302.93°)
OKLab	oklab(24.62% 0.0132 -0.1131)
OKLCH	oklch(24.62% 0.114 276.7)
XYZ	xyz(2.2254, 1.3036, 8.7269)
Luminance	0.0130 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171355 #515513

analogous

#133055 #171355 #381355

triadic

#171355 #551713 #135517

tetradic

#171355 #551330 #515513 #135538

square

#171355 #551330 #515513 #135538

split-complementary

#171355 #553813 #305513

monochromatic

#070619 #090823 #171355 #251E87 #3229B9

Accessibility & contrast

On white

16.66

#171355 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#171355 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171355

16.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171355	#FFFFFF	#000000	##FFFFFF
##171355	1.00	16.66	1.26	16.66
#FFFFFF	16.66	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002157

Deuteranopia (green-blind)

#001B54

Tritanopia (blue-blind)

#002532

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #171355;
/* rgb */ color: rgb(23, 19, 85);
/* oklch */ color: oklch(24.6% 0.114 276.7);

Tailwind

colors: {
  custom: {
    50: '#5e5186',
    500: '#171355',
    950: '#000000',
  },
}

SCSS

$custom: #171355;
$custom-light: #5e5186;
$custom-dark: #000000;

JSON

{
  "hex": "#171355",
  "rgb": {
    "r": 23,
    "g": 19,
    "b": 85
  },
  "hsl": {
    "h": 243.636,
    "s": 63.462,
    "l": 20.392
  },
  "oklch": {
    "l": 0.24618,
    "c": 0.11389,
    "h": 276.7
  },
  "luminance": 0.01304
}

Semantic roles & 50–950 ramp

primary

#171355

secondary

#888D36

accent

#E641DC

background

#F5F4F8

surface

#EAE7EF

border

#C6C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #171355

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

Preview Lab → · Contrast checker → · Palette generator →