#171659#171659

#171659 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.6% C 0.116 H 275.1°. Best body text is #FFFFFF at 16.21:1 contrast (WCAG AA passes).

Color values

HEX	#171659
RGB	rgb(23, 22, 89)
HSL	hsl(241, 60%, 22%)
HSV	hsv(241, 75%, 35%)
CMYK	cmyk(74.2%, 75.3%, 0%, 65.1%)
CIE-LAB	lab(12.46, 24.88, -39.96)
CIE-LCH	lch(12.46, 47.07, 301.90°)
OKLab	oklab(25.58% 0.0103 -0.1155)
OKLCH	oklch(25.58% 0.116 275.1)
XYZ	xyz(2.4428, 1.4770, 9.6056)
Luminance	0.0148 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171659 #585916

analogous

#163759 #171659 #391659

triadic

#171659 #591716 #165917

tetradic

#171659 #591637 #585916 #165939

square

#171659 #591637 #585916 #165939

split-complementary

#171659 #593916 #375916

monochromatic

#060619 #0A0A28 #171659 #24228A #302EBB

Accessibility & contrast

On white

16.21

#171659 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#171659 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171659

16.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171659	#FFFFFF	#000000	##FFFFFF
##171659	1.00	16.21	1.30	16.21
#FFFFFF	16.21	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00235B

Deuteranopia (green-blind)

#001D58

Tritanopia (blue-blind)

#002835

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #171659;
/* rgb */ color: rgb(23, 22, 89);
/* oklch */ color: oklch(25.6% 0.116 275.1);

Tailwind

colors: {
  custom: {
    50: '#5f5389',
    500: '#171659',
    950: '#000000',
  },
}

SCSS

$custom: #171659;
$custom-light: #5f5389;
$custom-dark: #000000;

JSON

{
  "hex": "#171659",
  "rgb": {
    "r": 23,
    "g": 22,
    "b": 89
  },
  "hsl": {
    "h": 240.896,
    "s": 60.36,
    "l": 21.765
  },
  "oklch": {
    "l": 0.25582,
    "c": 0.11593,
    "h": 275.1
  },
  "luminance": 0.01477
}

Semantic roles & 50–950 ramp

primary

#171659

secondary

#8F903B

accent

#E444E1

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020B

muted

#79787C

Preview Lab

Preview with #171659

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

Preview Lab → · Contrast checker → · Palette generator →