#171885#171885

#171885 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 31.1% C 0.172 H 270.2°. Best body text is #FFFFFF at 13.95:1 contrast (WCAG AA passes).

Color values

HEX	#171885
RGB	rgb(23, 24, 133)
HSL	hsl(239, 71%, 31%)
HSV	hsv(239, 83%, 52%)
CMYK	cmyk(82.7%, 82%, 0%, 47.8%)
CIE-LAB	lab(18.05, 39.49, -59.39)
CIE-LCH	lch(18.05, 71.32, 303.62°)
OKLab	oklab(31.06% 0.0006 -0.172)
OKLCH	oklch(31.06% 0.172 270.2)
XYZ	xyz(4.9122, 2.5283, 22.4149)
Luminance	0.0253 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171885 #858417

analogous

#174F85 #171885 #4D1785

triadic

#171885 #851718 #188517

tetradic

#171885 #85174F #858417 #17854D

square

#171885 #85174F #858417 #17854D

split-complementary

#171885 #854D17 #4F8517

monochromatic

#05051D #0E0F51 #171885 #2021B9 #3A3BDD

Accessibility & contrast

On white

13.95

#171885 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#171885 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171885

13.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171885	#FFFFFF	#000000	##FFFFFF
##171885	1.00	13.95	1.51	13.95
#FFFFFF	13.95	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003288

Deuteranopia (green-blind)

#002683

Tritanopia (blue-blind)

#003A4F

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #171885;
/* rgb */ color: rgb(23, 24, 133);
/* oklch */ color: oklch(31.1% 0.172 270.2);

Tailwind

colors: {
  custom: {
    50: '#6b57aa',
    500: '#171885',
    950: '#000000',
  },
}

SCSS

$custom: #171885;
$custom-light: #6b57aa;
$custom-dark: #000000;

JSON

{
  "hex": "#171885",
  "rgb": {
    "r": 23,
    "g": 24,
    "b": 133
  },
  "hsl": {
    "h": 239.455,
    "s": 70.513,
    "l": 30.588
  },
  "oklch": {
    "l": 0.31056,
    "c": 0.17198,
    "h": 270.2
  },
  "luminance": 0.02529
}

Semantic roles & 50–950 ramp

primary

#171885

secondary

#B9B83F

accent

#EC3BED

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #171885

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

Preview Lab → · Contrast checker → · Palette generator →