#171481#171481

#171481 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.1% C 0.170 H 270.8°. Best body text is #FFFFFF at 14.45:1 contrast (WCAG AA passes).

Color values

HEX	#171481
RGB	rgb(23, 20, 129)
HSL	hsl(242, 73%, 29%)
HSV	hsv(242, 84%, 51%)
CMYK	cmyk(82.2%, 84.5%, 0%, 49.4%)
CIE-LAB	lab(16.83, 40.24, -58.88)
CIE-LCH	lch(16.83, 71.31, 304.35°)
OKLab	oklab(30.06% 0.0025 -0.1704)
OKLCH	oklch(30.06% 0.17 270.8)
XYZ	xyz(4.5646, 2.2669, 20.9616)
Luminance	0.0227 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171481 #7E8114

analogous

#144881 #171481 #4E1481

triadic

#171481 #811714 #148117

tetradic

#171481 #811448 #7E8114 #14814E

square

#171481 #811448 #7E8114 #14814E

split-complementary

#171481 #814E14 #488114

monochromatic

#05041A #0E0C4C #171481 #201CB6 #3530DF

Accessibility & contrast

On white

14.45

#171481 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#171481 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171481

14.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171481	#FFFFFF	#000000	##FFFFFF
##171481	1.00	14.45	1.45	14.45
#FFFFFF	14.45	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F84

Deuteranopia (green-blind)

#00247F

Tritanopia (blue-blind)

#00374C

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #171481;
/* rgb */ color: rgb(23, 20, 129);
/* oklch */ color: oklch(30.1% 0.170 270.8);

Tailwind

colors: {
  custom: {
    50: '#6a55a7',
    500: '#171481',
    950: '#000000',
  },
}

SCSS

$custom: #171481;
$custom-light: #6a55a7;
$custom-dark: #000000;

JSON

{
  "hex": "#171481",
  "rgb": {
    "r": 23,
    "g": 20,
    "b": 129
  },
  "hsl": {
    "h": 241.651,
    "s": 73.154,
    "l": 29.216
  },
  "oklch": {
    "l": 0.30064,
    "c": 0.17044,
    "h": 270.8
  },
  "luminance": 0.02267
}

Semantic roles & 50–950 ramp

primary

#171481

secondary

#B3B63B

accent

#F038EB

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #171481

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

Preview Lab → · Contrast checker → · Palette generator →