#17166A#17166A

#17166A is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.5% C 0.139 H 272.9°. Best body text is #FFFFFF at 15.45:1 contrast (WCAG AA passes).

Color values

HEX	#17166A
RGB	rgb(23, 22, 106)
HSL	hsl(241, 66%, 25%)
HSV	hsv(241, 79%, 42%)
CMYK	cmyk(78.3%, 79.2%, 0%, 58.4%)
CIE-LAB	lab(14.38, 31.19, -48.11)
CIE-LCH	lch(14.38, 57.33, 302.96°)
OKLab	oklab(27.52% 0.0071 -0.1392)
OKLCH	oklch(27.52% 0.139 272.9)
XYZ	xyz(3.2409, 1.7962, 13.8088)
Luminance	0.0180 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17166A #696A16

analogous

#163F6A #17166A #41166A

triadic

#17166A #6A1716 #166A17

tetradic

#17166A #6A163F #696A16 #166A41

square

#17166A #6A163F #696A16 #166A41

split-complementary

#17166A #6A4116 #3F6A16

monochromatic

#050519 #0C0B37 #17166A #22219D #2D2BCF

Accessibility & contrast

On white

15.45

#17166A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#17166A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17166A

15.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17166A	#FFFFFF	#000000	##FFFFFF
##17166A	1.00	15.45	1.36	15.45
#FFFFFF	15.45	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00286C

Deuteranopia (green-blind)

#002069

Tritanopia (blue-blind)

#002F3F

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #17166a;
/* rgb */ color: rgb(23, 22, 106);
/* oklch */ color: oklch(27.5% 0.139 272.9);

Tailwind

colors: {
  custom: {
    50: '#645496',
    500: '#17166a',
    950: '#000000',
  },
}

SCSS

$custom: #17166a;
$custom-light: #645496;
$custom-dark: #000000;

JSON

{
  "hex": "#17166a",
  "rgb": {
    "r": 23,
    "g": 22,
    "b": 106
  },
  "hsl": {
    "h": 240.714,
    "s": 65.625,
    "l": 25.098
  },
  "oklch": {
    "l": 0.27523,
    "c": 0.13939,
    "h": 272.9
  },
  "luminance": 0.01797
}

Semantic roles & 50–950 ramp

primary

#17166A

secondary

#9FA03B

accent

#E93FE7

background

#F6F4F9

surface

#EBE8F2

border

#C6C4CC

text

#06030D

muted

#7A787E

Preview Lab

Preview with #17166A

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

Preview Lab → · Contrast checker → · Palette generator →