#171390#171390

#171390 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.9% C 0.189 H 269.7°. Best body text is #FFFFFF at 13.70:1 contrast (WCAG AA passes).

Color values

HEX	#171390
RGB	rgb(23, 19, 144)
HSL	hsl(242, 77%, 32%)
HSV	hsv(242, 87%, 56%)
CMYK	cmyk(84%, 86.8%, 0%, 43.5%)
CIE-LAB	lab(18.63, 45.50, -65.31)
CIE-LCH	lch(18.63, 79.60, 304.86°)
OKLab	oklab(31.87% -0.0009 -0.189)
OKLCH	oklch(31.87% 0.189 269.7)
XYZ	xyz(5.6186, 2.6609, 26.5976)
Luminance	0.0266 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171390 #8C9013

analogous

#134E90 #171390 #561390

triadic

#171390 #901713 #139017

tetradic

#171390 #90134E #8C9013 #139056

square

#171390 #90134E #8C9013 #139056

split-complementary

#171390 #905613 #4E9013

monochromatic

#060524 #0E0C5A #171390 #201AC6 #3E39E5

Accessibility & contrast

On white

13.70

#171390 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#171390 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171390

13.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171390	#FFFFFF	#000000	##FFFFFF
##171390	1.00	13.70	1.53	13.70
#FFFFFF	13.70	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003493

Deuteranopia (green-blind)

#00278E

Tritanopia (blue-blind)

#003D54

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #171390;
/* rgb */ color: rgb(23, 19, 144);
/* oklch */ color: oklch(31.9% 0.189 269.7);

Tailwind

colors: {
  custom: {
    50: '#6f56b2',
    500: '#171390',
    950: '#000000',
  },
}

SCSS

$custom: #171390;
$custom-light: #6f56b2;
$custom-dark: #000000;

JSON

{
  "hex": "#171390",
  "rgb": {
    "r": 23,
    "g": 19,
    "b": 144
  },
  "hsl": {
    "h": 241.92,
    "s": 76.687,
    "l": 31.961
  },
  "oklch": {
    "l": 0.31865,
    "c": 0.18901,
    "h": 269.7
  },
  "luminance": 0.02662
}

Semantic roles & 50–950 ramp

primary

#171390

secondary

#BFC43B

accent

#F335ED

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #171390

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

Preview Lab → · Contrast checker → · Palette generator →