#171356#171356

#171356 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.7% C 0.115 H 276.5°. Best body text is #FFFFFF at 16.61:1 contrast (WCAG AA passes).

Color values

HEX	#171356
RGB	rgb(23, 19, 86)
HSL	hsl(244, 64%, 21%)
HSV	hsv(244, 78%, 34%)
CMYK	cmyk(73.3%, 77.9%, 0%, 66.3%)
CIE-LAB	lab(11.41, 25.74, -39.66)
CIE-LCH	lch(11.41, 47.28, 302.98°)
OKLab	oklab(24.73% 0.013 -0.1146)
OKLCH	oklch(24.73% 0.115 276.5)
XYZ	xyz(2.2654, 1.3196, 8.9376)
Luminance	0.0132 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171356 #525613

analogous

#133056 #171356 #381356

triadic

#171356 #561713 #135617

tetradic

#171356 #561330 #525613 #135638

square

#171356 #561330 #525613 #135638

split-complementary

#171356 #563813 #305613

monochromatic

#070619 #0A0824 #171356 #241E88 #3229BA

Accessibility & contrast

On white

16.61

#171356 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#171356 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171356

16.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171356	#FFFFFF	#000000	##FFFFFF
##171356	1.00	16.61	1.26	16.61
#FFFFFF	16.61	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002158

Deuteranopia (green-blind)

#001B55

Tritanopia (blue-blind)

#002633

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #171356;
/* rgb */ color: rgb(23, 19, 86);
/* oklch */ color: oklch(24.7% 0.115 276.5);

Tailwind

colors: {
  custom: {
    50: '#5f5186',
    500: '#171356',
    950: '#000000',
  },
}

SCSS

$custom: #171356;
$custom-light: #5f5186;
$custom-dark: #000000;

JSON

{
  "hex": "#171356",
  "rgb": {
    "r": 23,
    "g": 19,
    "b": 86
  },
  "hsl": {
    "h": 243.582,
    "s": 63.81,
    "l": 20.588
  },
  "oklch": {
    "l": 0.24731,
    "c": 0.11531,
    "h": 276.5
  },
  "luminance": 0.0132
}

Semantic roles & 50–950 ramp

primary

#171356

secondary

#898E36

accent

#E741DD

background

#F5F4F8

surface

#EAE7EF

border

#C6C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #171356

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

Preview Lab → · Contrast checker → · Palette generator →