#17166B#17166B

#17166B is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.6% C 0.141 H 272.8°. Best body text is #FFFFFF at 15.40:1 contrast (WCAG AA passes).

Color values

HEX	#17166B
RGB	rgb(23, 22, 107)
HSL	hsl(241, 66%, 25%)
HSV	hsv(241, 79%, 42%)
CMYK	cmyk(78.5%, 79.4%, 0%, 58%)
CIE-LAB	lab(14.50, 31.55, -48.57)
CIE-LCH	lch(14.50, 57.91, 303.01°)
OKLab	oklab(27.64% 0.0068 -0.1405)
OKLCH	oklch(27.64% 0.141 272.8)
XYZ	xyz(3.2932, 1.8172, 14.0843)
Luminance	0.0182 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17166B #6A6B16

analogous

#163F6B #17166B #41166B

triadic

#17166B #6B1716 #166B17

tetradic

#17166B #6B163F #6A6B16 #166B41

square

#17166B #6B163F #6A6B16 #166B41

split-complementary

#17166B #6B4116 #3F6B16

monochromatic

#050519 #0C0C38 #17166B #22209E #2D2BD1

Accessibility & contrast

On white

15.40

#17166B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#17166B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17166B

15.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17166B	#FFFFFF	#000000	##FFFFFF
##17166B	1.00	15.40	1.36	15.40
#FFFFFF	15.40	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00296D

Deuteranopia (green-blind)

#00206A

Tritanopia (blue-blind)

#002F3F

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #17166b;
/* rgb */ color: rgb(23, 22, 107);
/* oklch */ color: oklch(27.6% 0.141 272.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#17166b",
  "rgb": {
    "r": 23,
    "g": 22,
    "b": 107
  },
  "hsl": {
    "h": 240.706,
    "s": 65.891,
    "l": 25.294
  },
  "oklch": {
    "l": 0.27641,
    "c": 0.14072,
    "h": 272.8
  },
  "luminance": 0.01818
}

Semantic roles & 50–950 ramp

primary

#17166B

secondary

#A0A13B

accent

#E93FE7

background

#F6F4F9

surface

#EBE8F2

border

#C6C4CC

text

#06030D

muted

#7A787E

Preview Lab

Preview with #17166B

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

Preview Lab → · Contrast checker → · Palette generator →