#171359#171359

#171359 is a dark, moderate blue. Relative luminance 0.014; OKLCH L 25.1% C 0.120 H 275.9°. Best body text is #FFFFFF at 16.49:1 contrast (WCAG AA passes).

Color values

HEX	#171359
RGB	rgb(23, 19, 89)
HSL	hsl(243, 65%, 21%)
HSV	hsv(243, 79%, 35%)
CMYK	cmyk(74.2%, 78.7%, 0%, 65.1%)
CIE-LAB	lab(11.75, 26.85, -41.13)
CIE-LCH	lch(11.75, 49.12, 303.13°)
OKLab	oklab(25.07% 0.0124 -0.1189)
OKLCH	oklch(25.07% 0.12 275.9)
XYZ	xyz(2.3888, 1.3690, 9.5876)
Luminance	0.0137 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171359 #555913

analogous

#133259 #171359 #3A1359

triadic

#171359 #591713 #135917

tetradic

#171359 #591332 #555913 #13593A

square

#171359 #591332 #555913 #13593A

split-complementary

#171359 #593A13 #325913

monochromatic

#070519 #0A0827 #171359 #241E8B #3129BE

Accessibility & contrast

On white

16.49

#171359 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#171359 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171359

16.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171359	#FFFFFF	#000000	##FFFFFF
##171359	1.00	16.49	1.27	16.49
#FFFFFF	16.49	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00225B

Deuteranopia (green-blind)

#001C58

Tritanopia (blue-blind)

#002734

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #171359;
/* rgb */ color: rgb(23, 19, 89);
/* oklch */ color: oklch(25.1% 0.120 275.9);

Tailwind

colors: {
  custom: {
    50: '#5f5189',
    500: '#171359',
    950: '#000000',
  },
}

SCSS

$custom: #171359;
$custom-light: #5f5189;
$custom-dark: #000000;

JSON

{
  "hex": "#171359",
  "rgb": {
    "r": 23,
    "g": 19,
    "b": 89
  },
  "hsl": {
    "h": 243.429,
    "s": 64.815,
    "l": 21.176
  },
  "oklch": {
    "l": 0.25073,
    "c": 0.11952,
    "h": 275.9
  },
  "luminance": 0.01369
}

Semantic roles & 50–950 ramp

primary

#171359

secondary

#8C9137

accent

#E840DE

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05020B

muted

#7A787C

Preview Lab

Preview with #171359

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

Preview Lab → · Contrast checker → · Palette generator →