#171699#171699

#171699 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.3% C 0.197 H 269.0°. Best body text is #FFFFFF at 13.03:1 contrast (WCAG AA passes).

Color values

HEX	#171699
RGB	rgb(23, 22, 153)
HSL	hsl(240, 75%, 34%)
HSV	hsv(240, 86%, 60%)
CMYK	cmyk(85%, 85.6%, 0%, 40%)
CIE-LAB	lab(20.26, 46.98, -68.17)
CIE-LCH	lch(20.26, 82.79, 304.57°)
OKLab	oklab(33.32% -0.0033 -0.1973)
OKLCH	oklch(33.32% 0.197 269)
XYZ	xyz(6.3881, 3.0551, 30.3838)
Luminance	0.0306 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171699 #989916

analogous

#165799 #171699 #591699

triadic

#171699 #991716 #169917

tetradic

#171699 #991657 #989916 #169959

square

#171699 #991657 #989916 #169959

split-complementary

#171699 #995916 #579916

monochromatic

#07072E #0F0E63 #171699 #1F1ECF #4645E4

Accessibility & contrast

On white

13.03

#171699 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#171699 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171699

13.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171699	#FFFFFF	#000000	##FFFFFF
##171699	1.00	13.03	1.61	13.03
#FFFFFF	13.03	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00389C

Deuteranopia (green-blind)

#002A97

Tritanopia (blue-blind)

#00425A

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #171699;
/* rgb */ color: rgb(23, 22, 153);
/* oklch */ color: oklch(33.3% 0.197 269.0);

Tailwind

colors: {
  custom: {
    50: '#7158b9',
    500: '#171699',
    950: '#000000',
  },
}

SCSS

$custom: #171699;
$custom-light: #7158b9;
$custom-dark: #000000;

JSON

{
  "hex": "#171699",
  "rgb": {
    "r": 23,
    "g": 22,
    "b": 153
  },
  "hsl": {
    "h": 240.458,
    "s": 74.857,
    "l": 34.314
  },
  "oklch": {
    "l": 0.33324,
    "c": 0.19736,
    "h": 269
  },
  "luminance": 0.03056
}

Semantic roles & 50–950 ramp

primary

#171699

secondary

#C4C546

accent

#F136F0

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090412

muted

#7B7981

Preview Lab

Preview with #171699

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

Preview Lab → · Contrast checker → · Palette generator →