#171785#171785

#171785 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.9% C 0.173 H 270.3°. Best body text is #FFFFFF at 14.02:1 contrast (WCAG AA passes).

Color values

HEX	#171785
RGB	rgb(23, 23, 133)
HSL	hsl(240, 71%, 31%)
HSV	hsv(240, 83%, 52%)
CMYK	cmyk(82.7%, 82.7%, 0%, 47.8%)
CIE-LAB	lab(17.86, 40.02, -59.70)
CIE-LCH	lch(17.86, 71.87, 303.84°)
OKLab	oklab(30.93% 0.0009 -0.1728)
OKLCH	oklch(30.93% 0.173 270.3)
XYZ	xyz(4.8919, 2.4878, 22.4081)
Luminance	0.0249 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171785 #858517

analogous

#174E85 #171785 #4E1785

triadic

#171785 #851717 #178517

tetradic

#171785 #85174E #858517 #17854E

square

#171785 #85174E #858517 #17854E

split-complementary

#171785 #854E17 #4E8517

monochromatic

#05051D #0E0E51 #171785 #2020B9 #3A3ADD

Accessibility & contrast

On white

14.02

#171785 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#171785 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171785

14.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171785	#FFFFFF	#000000	##FFFFFF
##171785	1.00	14.02	1.50	14.02
#FFFFFF	14.02	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003188

Deuteranopia (green-blind)

#002683

Tritanopia (blue-blind)

#003A4F

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #171785;
/* rgb */ color: rgb(23, 23, 133);
/* oklch */ color: oklch(30.9% 0.173 270.3);

Tailwind

colors: {
  custom: {
    50: '#6b57aa',
    500: '#171785',
    950: '#000000',
  },
}

SCSS

$custom: #171785;
$custom-light: #6b57aa;
$custom-dark: #000000;

JSON

{
  "hex": "#171785",
  "rgb": {
    "r": 23,
    "g": 23,
    "b": 133
  },
  "hsl": {
    "h": 240,
    "s": 70.513,
    "l": 30.588
  },
  "oklch": {
    "l": 0.30928,
    "c": 0.17284,
    "h": 270.3
  },
  "luminance": 0.02488
}

Semantic roles & 50–950 ramp

primary

#171785

secondary

#B9B93F

accent

#ED3BED

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #171785

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

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