#171380#171380

#171380 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.8% C 0.170 H 271.0°. Best body text is #FFFFFF at 14.57:1 contrast (WCAG AA passes).

Color values

HEX	#171380
RGB	rgb(23, 19, 128)
HSL	hsl(242, 74%, 29%)
HSV	hsv(242, 85%, 50%)
CMYK	cmyk(82%, 85.2%, 0%, 49.8%)
CIE-LAB	lab(16.53, 40.40, -58.74)
CIE-LCH	lch(16.53, 71.29, 304.52°)
OKLab	oklab(29.82% 0.003 -0.17)
OKLCH	oklch(29.82% 0.17 271)
XYZ	xyz(4.4812, 2.2059, 20.6075)
Luminance	0.0221 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171380 #7C8013

analogous

#134680 #171380 #4E1380

triadic

#171380 #801713 #138017

tetradic

#171380 #801346 #7C8013 #13804E

square

#171380 #801346 #7C8013 #13804E

split-complementary

#171380 #804E13 #468013

monochromatic

#05041B #0D0B4B #171380 #211BB5 #342DE0

Accessibility & contrast

On white

14.57

#171380 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#171380 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171380

14.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171380	#FFFFFF	#000000	##FFFFFF
##171380	1.00	14.57	1.44	14.57
#FFFFFF	14.57	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E83

Deuteranopia (green-blind)

#00237E

Tritanopia (blue-blind)

#00364B

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #171380;
/* rgb */ color: rgb(23, 19, 128);
/* oklch */ color: oklch(29.8% 0.170 271.0);

Tailwind

colors: {
  custom: {
    50: '#6a54a6',
    500: '#171380',
    950: '#000000',
  },
}

SCSS

$custom: #171380;
$custom-light: #6a54a6;
$custom-dark: #000000;

JSON

{
  "hex": "#171380",
  "rgb": {
    "r": 23,
    "g": 19,
    "b": 128
  },
  "hsl": {
    "h": 242.202,
    "s": 74.15,
    "l": 28.824
  },
  "oklch": {
    "l": 0.29821,
    "c": 0.17003,
    "h": 271
  },
  "luminance": 0.02206
}

Semantic roles & 50–950 ramp

primary

#171380

secondary

#B1B539

accent

#F137EA

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #171380

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

Preview Lab → · Contrast checker → · Palette generator →