#171369#171369

#171369 is a dark, vivid blue. Relative luminance 0.017; OKLCH L 27.0% C 0.141 H 273.5°. Best body text is #FFFFFF at 15.75:1 contrast (WCAG AA passes).

Color values

HEX	#171369
RGB	rgb(23, 19, 105)
HSL	hsl(243, 69%, 24%)
HSV	hsv(243, 82%, 41%)
CMYK	cmyk(78.1%, 81.9%, 0%, 58.8%)
CIE-LAB	lab(13.64, 32.61, -48.68)
CIE-LCH	lch(13.64, 58.59, 303.82°)
OKLab	oklab(26.96% 0.0087 -0.1408)
OKLCH	oklch(26.96% 0.141 273.5)
XYZ	xyz(3.1352, 1.6675, 13.5185)
Luminance	0.0167 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171369 #656913

analogous

#133A69 #171369 #421369

triadic

#171369 #691713 #136917

tetradic

#171369 #69133A #656913 #136942

square

#171369 #69133A #656913 #136942

split-complementary

#171369 #694213 #3A6913

monochromatic

#06051A #0C0A35 #171369 #221C9D #2E26D1

Accessibility & contrast

On white

15.75

#171369 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#171369 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171369

15.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171369	#FFFFFF	#000000	##FFFFFF
##171369	1.00	15.75	1.33	15.75
#FFFFFF	15.75	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00276B

Deuteranopia (green-blind)

#001F68

Tritanopia (blue-blind)

#002D3E

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #171369;
/* rgb */ color: rgb(23, 19, 105);
/* oklch */ color: oklch(27.0% 0.141 273.5);

Tailwind

colors: {
  custom: {
    50: '#645295',
    500: '#171369',
    950: '#000000',
  },
}

SCSS

$custom: #171369;
$custom-light: #645295;
$custom-dark: #000000;

JSON

{
  "hex": "#171369",
  "rgb": {
    "r": 23,
    "g": 19,
    "b": 105
  },
  "hsl": {
    "h": 242.791,
    "s": 69.355,
    "l": 24.314
  },
  "oklch": {
    "l": 0.26964,
    "c": 0.14111,
    "h": 273.5
  },
  "luminance": 0.01668
}

Semantic roles & 50–950 ramp

primary

#171369

secondary

#9BA038

accent

#EC3CE4

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#06020D

muted

#7A787E

Preview Lab

Preview with #171369

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

Preview Lab → · Contrast checker → · Palette generator →