#171066#171066

#171066 is a dark, vivid blue. Relative luminance 0.015; OKLCH L 26.2% C 0.140 H 274.4°. Best body text is #FFFFFF at 16.12:1 contrast (WCAG AA passes).

Color values

HEX	#171066
RGB	rgb(23, 16, 102)
HSL	hsl(245, 73%, 23%)
HSV	hsv(245, 84%, 40%)
CMYK	cmyk(77.5%, 84.3%, 0%, 60%)
CIE-LAB	lab(12.68, 33.25, -48.28)
CIE-LCH	lch(12.68, 58.62, 304.56°)
OKLab	oklab(26.19% 0.0107 -0.1396)
OKLCH	oklch(26.19% 0.14 274.4)
XYZ	xyz(2.9361, 1.5118, 12.7049)
Luminance	0.0151 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171066 #5F6610

analogous

#103466 #171066 #421066

triadic

#171066 #661710 #106617

tetradic

#171066 #661034 #5F6610 #106642

square

#171066 #661034 #5F6610 #106642

split-complementary

#171066 #664210 #346610

monochromatic

#06041A #0B0831 #171066 #23189B #2F21D0

Accessibility & contrast

On white

16.12

#171066 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#171066 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171066

16.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171066	#FFFFFF	#000000	##FFFFFF
##171066	1.00	16.12	1.30	16.12
#FFFFFF	16.12	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002568

Deuteranopia (green-blind)

#001D65

Tritanopia (blue-blind)

#002B3B

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #171066;
/* rgb */ color: rgb(23, 16, 102);
/* oklch */ color: oklch(26.2% 0.140 274.4);

Tailwind

colors: {
  custom: {
    50: '#635193',
    500: '#171066',
    950: '#000000',
  },
}

SCSS

$custom: #171066;
$custom-light: #635193;
$custom-dark: #000000;

JSON

{
  "hex": "#171066",
  "rgb": {
    "r": 23,
    "g": 16,
    "b": 102
  },
  "hsl": {
    "h": 244.884,
    "s": 72.881,
    "l": 23.137
  },
  "oklch": {
    "l": 0.26189,
    "c": 0.14004,
    "h": 274.4
  },
  "luminance": 0.01512
}

Semantic roles & 50–950 ramp

primary

#171066

secondary

#969E33

accent

#F038E1

background

#F6F4F9

surface

#EBE7F1

border

#C6C3CB

text

#06020D

muted

#7A787E

Preview Lab

Preview with #171066

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

Preview Lab → · Contrast checker → · Palette generator →