#171985#171985

#171985 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.2% C 0.171 H 270.1°. Best body text is #FFFFFF at 13.87:1 contrast (WCAG AA passes).

Color values

HEX	#171985
RGB	rgb(23, 25, 133)
HSL	hsl(239, 71%, 31%)
HSV	hsv(239, 83%, 52%)
CMYK	cmyk(82.7%, 81.2%, 0%, 47.8%)
CIE-LAB	lab(18.23, 38.95, -59.08)
CIE-LCH	lch(18.23, 70.77, 303.40°)
OKLab	oklab(31.19% 0.0003 -0.1711)
OKLCH	oklch(31.19% 0.171 270.1)
XYZ	xyz(4.9332, 2.5703, 22.4219)
Luminance	0.0257 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171985 #858317

analogous

#175085 #171985 #4C1785

triadic

#171985 #851719 #198517

tetradic

#171985 #851750 #858317 #17854C

square

#171985 #851750 #858317 #17854C

split-complementary

#171985 #854C17 #508517

monochromatic

#05051D #0E0F51 #171985 #2023B9 #3A3DDD

Accessibility & contrast

On white

13.87

#171985 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#171985 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171985

13.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171985	#FFFFFF	#000000	##FFFFFF
##171985	1.00	13.87	1.51	13.87
#FFFFFF	13.87	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003288

Deuteranopia (green-blind)

#002783

Tritanopia (blue-blind)

#003A4F

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #171985;
/* rgb */ color: rgb(23, 25, 133);
/* oklch */ color: oklch(31.2% 0.171 270.1);

Tailwind

colors: {
  custom: {
    50: '#6b58aa',
    500: '#171985',
    950: '#000000',
  },
}

SCSS

$custom: #171985;
$custom-light: #6b58aa;
$custom-dark: #000000;

JSON

{
  "hex": "#171985",
  "rgb": {
    "r": 23,
    "g": 25,
    "b": 133
  },
  "hsl": {
    "h": 238.909,
    "s": 70.513,
    "l": 30.588
  },
  "oklch": {
    "l": 0.31187,
    "c": 0.1711,
    "h": 270.1
  },
  "luminance": 0.02571
}

Semantic roles & 50–950 ramp

primary

#171985

secondary

#B9B73F

accent

#EA3BED

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #171985

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

Preview Lab → · Contrast checker → · Palette generator →