#17176A#17176A

#17176A is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.7% C 0.138 H 272.7°. Best body text is #FFFFFF at 15.36:1 contrast (WCAG AA passes).

Color values

HEX	#17176A
RGB	rgb(23, 23, 106)
HSL	hsl(240, 64%, 25%)
HSV	hsv(240, 78%, 42%)
CMYK	cmyk(78.3%, 78.3%, 0%, 58.4%)
CIE-LAB	lab(14.60, 30.57, -47.75)
CIE-LCH	lch(14.60, 56.70, 302.63°)
OKLab	oklab(27.68% 0.0066 -0.1382)
OKLCH	oklch(27.68% 0.138 272.7)
XYZ	xyz(3.2604, 1.8352, 13.8153)
Luminance	0.0184 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17176A #6A6A17

analogous

#17406A #17176A #40176A

triadic

#17176A #6A1717 #176A17

tetradic

#17176A #6A1740 #6A6A17 #176A40

square

#17176A #6A1740 #6A6A17 #176A40

split-complementary

#17176A #6A4017 #406A17

monochromatic

#050519 #0C0C38 #17176A #22229C #2D2DCF

Accessibility & contrast

On white

15.36

#17176A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#17176A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17176A

15.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17176A	#FFFFFF	#000000	##FFFFFF
##17176A	1.00	15.36	1.37	15.36
#FFFFFF	15.36	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00296C

Deuteranopia (green-blind)

#002169

Tritanopia (blue-blind)

#002F3F

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #17176a;
/* rgb */ color: rgb(23, 23, 106);
/* oklch */ color: oklch(27.7% 0.138 272.7);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#17176a",
  "rgb": {
    "r": 23,
    "g": 23,
    "b": 106
  },
  "hsl": {
    "h": 240,
    "s": 64.341,
    "l": 25.294
  },
  "oklch": {
    "l": 0.27678,
    "c": 0.13833,
    "h": 272.7
  },
  "luminance": 0.01836
}

Semantic roles & 50–950 ramp

primary

#17176A

secondary

#A0A03D

accent

#E740E7

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030D

muted

#7A787E

Preview Lab

Preview with #17176A

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

Preview Lab → · Contrast checker → · Palette generator →