#171350#171350

#171350 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 24.1% C 0.107 H 277.6°. Best body text is #FFFFFF at 16.86:1 contrast (WCAG AA passes).

Color values

HEX	#171350
RGB	rgb(23, 19, 80)
HSL	hsl(244, 62%, 19%)
HSV	hsv(244, 76%, 31%)
CMYK	cmyk(71.2%, 76.3%, 0%, 68.6%)
CIE-LAB	lab(10.75, 23.49, -36.64)
CIE-LCH	lch(10.75, 43.52, 302.66°)
OKLab	oklab(24.06% 0.0142 -0.1058)
OKLCH	oklch(24.06% 0.107 277.6)
XYZ	xyz(2.0337, 1.2269, 7.7175)
Luminance	0.0123 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171350 #4C5013

analogous

#132E50 #171350 #361350

triadic

#171350 #501713 #135017

tetradic

#171350 #50132E #4C5013 #135036

square

#171350 #50132E #4C5013 #135036

split-complementary

#171350 #503613 #2E5013

monochromatic

#070619 #09071F #171350 #251F81 #332AB3

Accessibility & contrast

On white

16.86

#171350 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#171350 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171350

16.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171350	#FFFFFF	#000000	##FFFFFF
##171350	1.00	16.86	1.25	16.86
#FFFFFF	16.86	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F52

Deuteranopia (green-blind)

#001A4F

Tritanopia (blue-blind)

#00242F

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #171350;
/* rgb */ color: rgb(23, 19, 80);
/* oklch */ color: oklch(24.1% 0.107 277.6);

Tailwind

colors: {
  custom: {
    50: '#5d5182',
    500: '#171350',
    950: '#000000',
  },
}

SCSS

$custom: #171350;
$custom-light: #5d5182;
$custom-dark: #000000;

JSON

{
  "hex": "#171350",
  "rgb": {
    "r": 23,
    "g": 19,
    "b": 80
  },
  "hsl": {
    "h": 243.934,
    "s": 61.616,
    "l": 19.412
  },
  "oklch": {
    "l": 0.24062,
    "c": 0.10671,
    "h": 277.6
  },
  "luminance": 0.01227
}

Semantic roles & 50–950 ramp

primary

#171350

secondary

#838936

accent

#E543DA

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#05020A

muted

#79787C

Preview Lab

Preview with #171350

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

Preview Lab → · Contrast checker → · Palette generator →