#17166D#17166D

#17166D is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.9% C 0.143 H 272.6°. Best body text is #FFFFFF at 15.31:1 contrast (WCAG AA passes).

Color values

HEX	#17166D
RGB	rgb(23, 22, 109)
HSL	hsl(241, 66%, 26%)
HSV	hsv(241, 80%, 43%)
CMYK	cmyk(78.9%, 79.8%, 0%, 57.3%)
CIE-LAB	lab(14.73, 32.27, -49.48)
CIE-LCH	lch(14.73, 59.08, 303.11°)
OKLab	oklab(27.88% 0.0064 -0.1432)
OKLCH	oklch(27.88% 0.143 272.6)
XYZ	xyz(3.3996, 1.8597, 14.6448)
Luminance	0.0186 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17166D #6C6D16

analogous

#16406D #17166D #42166D

triadic

#17166D #6D1716 #166D17

tetradic

#17166D #6D1640 #6C6D16 #166D42

square

#17166D #6D1640 #6C6D16 #166D42

split-complementary

#17166D #6D4216 #406D16

monochromatic

#050519 #0C0C3A #17166D #2220A0 #2C2BD3

Accessibility & contrast

On white

15.31

#17166D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#17166D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17166D

15.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17166D	#FFFFFF	#000000	##FFFFFF
##17166D	1.00	15.31	1.37	15.31
#FFFFFF	15.31	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00296F

Deuteranopia (green-blind)

#00216B

Tritanopia (blue-blind)

#003041

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #17166d;
/* rgb */ color: rgb(23, 22, 109);
/* oklch */ color: oklch(27.9% 0.143 272.6);

Tailwind

colors: {
  custom: {
    50: '#655598',
    500: '#17166d',
    950: '#000000',
  },
}

SCSS

$custom: #17166d;
$custom-light: #655598;
$custom-dark: #000000;

JSON

{
  "hex": "#17166d",
  "rgb": {
    "r": 23,
    "g": 22,
    "b": 109
  },
  "hsl": {
    "h": 240.69,
    "s": 66.412,
    "l": 25.686
  },
  "oklch": {
    "l": 0.27878,
    "c": 0.14335,
    "h": 272.6
  },
  "luminance": 0.0186
}

Semantic roles & 50–950 ramp

primary

#17166D

secondary

#A2A33C

accent

#E93EE7

background

#F6F5F9

surface

#EBE8F2

border

#C6C4CC

text

#06030E

muted

#7A787E

Preview Lab

Preview with #17166D

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

Preview Lab → · Contrast checker → · Palette generator →