#17176B#17176B

#17176B is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.8% C 0.140 H 272.6°. Best body text is #FFFFFF at 15.32:1 contrast (WCAG AA passes).

Color values

HEX	#17176B
RGB	rgb(23, 23, 107)
HSL	hsl(240, 65%, 25%)
HSV	hsv(240, 79%, 42%)
CMYK	cmyk(78.5%, 78.5%, 0%, 58%)
CIE-LAB	lab(14.71, 30.94, -48.21)
CIE-LCH	lch(14.71, 57.28, 302.69°)
OKLab	oklab(27.79% 0.0064 -0.1395)
OKLCH	oklch(27.79% 0.14 272.6)
XYZ	xyz(3.3127, 1.8561, 14.0908)
Luminance	0.0186 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17176B #6B6B17

analogous

#17416B #17176B #41176B

triadic

#17176B #6B1717 #176B17

tetradic

#17176B #6B1741 #6B6B17 #176B41

square

#17176B #6B1741 #6B6B17 #176B41

split-complementary

#17176B #6B4117 #416B17

monochromatic

#050519 #0C0C39 #17176B #22229D #2D2DD0

Accessibility & contrast

On white

15.32

#17176B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#17176B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17176B

15.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17176B	#FFFFFF	#000000	##FFFFFF
##17176B	1.00	15.32	1.37	15.32
#FFFFFF	15.32	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00296D

Deuteranopia (green-blind)

#00216A

Tritanopia (blue-blind)

#003040

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #17176b;
/* rgb */ color: rgb(23, 23, 107);
/* oklch */ color: oklch(27.8% 0.140 272.6);

Tailwind

colors: {
  custom: {
    50: '#645596',
    500: '#17176b',
    950: '#000000',
  },
}

SCSS

$custom: #17176b;
$custom-light: #645596;
$custom-dark: #000000;

JSON

{
  "hex": "#17176b",
  "rgb": {
    "r": 23,
    "g": 23,
    "b": 107
  },
  "hsl": {
    "h": 240,
    "s": 64.615,
    "l": 25.49
  },
  "oklch": {
    "l": 0.27794,
    "c": 0.13966,
    "h": 272.6
  },
  "luminance": 0.01856
}

Semantic roles & 50–950 ramp

primary

#17176B

secondary

#A1A13D

accent

#E840E8

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030D

muted

#7A787E

Preview Lab

Preview with #17176B

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

Preview Lab → · Contrast checker → · Palette generator →