#171680#171680

#171680 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.2% C 0.168 H 270.8°. Best body text is #FFFFFF at 14.36:1 contrast (WCAG AA passes).

Color values

HEX	#171680
RGB	rgb(23, 22, 128)
HSL	hsl(241, 71%, 29%)
HSV	hsv(241, 83%, 50%)
CMYK	cmyk(82%, 82.8%, 0%, 49.8%)
CIE-LAB	lab(17.06, 38.87, -57.87)
CIE-LCH	lch(17.06, 69.71, 303.89°)
OKLab	oklab(30.18% 0.0022 -0.1675)
OKLCH	oklch(30.18% 0.168 270.8)
XYZ	xyz(4.5352, 2.3140, 20.6255)
Luminance	0.0231 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171680 #7F8016

analogous

#164A80 #171680 #4C1680

triadic

#171680 #801716 #168017

tetradic

#171680 #80164A #7F8016 #16804C

square

#171680 #80164A #7F8016 #16804C

split-complementary

#171680 #804C16 #4A8016

monochromatic

#05041A #0E0D4C #171680 #201FB4 #3634DC

Accessibility & contrast

On white

14.36

#171680 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#171680 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171680

14.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171680	#FFFFFF	#000000	##FFFFFF
##171680	1.00	14.36	1.46	14.36
#FFFFFF	14.36	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F83

Deuteranopia (green-blind)

#00247E

Tritanopia (blue-blind)

#00374B

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #171680;
/* rgb */ color: rgb(23, 22, 128);
/* oklch */ color: oklch(30.2% 0.168 270.8);

Tailwind

colors: {
  custom: {
    50: '#6a56a6',
    500: '#171680',
    950: '#000000',
  },
}

SCSS

$custom: #171680;
$custom-light: #6a56a6;
$custom-dark: #000000;

JSON

{
  "hex": "#171680",
  "rgb": {
    "r": 23,
    "g": 22,
    "b": 128
  },
  "hsl": {
    "h": 240.566,
    "s": 70.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.30184,
    "c": 0.16755,
    "h": 270.8
  },
  "luminance": 0.02314
}

Semantic roles & 50–950 ramp

primary

#171680

secondary

#B4B53D

accent

#ED3AEC

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #171680

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

Preview Lab → · Contrast checker → · Palette generator →