#171679#171679

#171679 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.3% C 0.159 H 271.4°. Best body text is #FFFFFF at 14.71:1 contrast (WCAG AA passes).

Color values

HEX	#171679
RGB	rgb(23, 22, 121)
HSL	hsl(241, 69%, 28%)
HSV	hsv(241, 82%, 47%)
CMYK	cmyk(81%, 81.8%, 0%, 52.5%)
CIE-LAB	lab(16.19, 36.49, -54.84)
CIE-LCH	lch(16.19, 65.87, 303.63°)
OKLab	oklab(29.32% 0.0038 -0.1588)
OKLCH	oklch(29.32% 0.159 271.4)
XYZ	xyz(4.0903, 2.1360, 18.2822)
Luminance	0.0214 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171679 #787916

analogous

#164679 #171679 #481679

triadic

#171679 #791716 #167917

tetradic

#171679 #791646 #787916 #167948

square

#171679 #791646 #787916 #167948

split-complementary

#171679 #794816 #467916

monochromatic

#05051A #0D0D45 #171679 #211FAD #3230D9

Accessibility & contrast

On white

14.71

#171679 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#171679 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171679

14.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171679	#FFFFFF	#000000	##FFFFFF
##171679	1.00	14.71	1.43	14.71
#FFFFFF	14.71	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D7C

Deuteranopia (green-blind)

#002377

Tritanopia (blue-blind)

#003547

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #171679;
/* rgb */ color: rgb(23, 22, 121);
/* oklch */ color: oklch(29.3% 0.159 271.4);

Tailwind

colors: {
  custom: {
    50: '#6855a1',
    500: '#171679',
    950: '#000000',
  },
}

SCSS

$custom: #171679;
$custom-light: #6855a1;
$custom-dark: #000000;

JSON

{
  "hex": "#171679",
  "rgb": {
    "r": 23,
    "g": 22,
    "b": 121
  },
  "hsl": {
    "h": 240.606,
    "s": 69.231,
    "l": 28.039
  },
  "oklch": {
    "l": 0.29324,
    "c": 0.15881,
    "h": 271.4
  },
  "luminance": 0.02136
}

Semantic roles & 50–950 ramp

primary

#171679

secondary

#ADAE3D

accent

#EC3CEA

background

#F6F5FA

surface

#ECE9F3

border

#C7C5CD

text

#07030F

muted

#7A787F

Preview Lab

Preview with #171679

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

Preview Lab → · Contrast checker → · Palette generator →