#17186A#17186A

#17186A is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.8% C 0.137 H 272.5°. Best body text is #FFFFFF at 15.27:1 contrast (WCAG AA passes).

Color values

HEX	#17186A
RGB	rgb(23, 24, 106)
HSL	hsl(239, 64%, 25%)
HSV	hsv(239, 78%, 42%)
CMYK	cmyk(78.3%, 77.4%, 0%, 58.4%)
CIE-LAB	lab(14.82, 29.95, -47.38)
CIE-LCH	lch(14.82, 56.05, 302.30°)
OKLab	oklab(27.84% 0.006 -0.1371)
OKLCH	oklch(27.84% 0.137 272.5)
XYZ	xyz(3.2806, 1.8757, 13.8220)
Luminance	0.0188 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17186A #6A6917

analogous

#17416A #17186A #3F176A

triadic

#17186A #6A1718 #186A17

tetradic

#17186A #6A1741 #6A6917 #176A3F

square

#17186A #6A1741 #6A6917 #176A3F

split-complementary

#17186A #6A3F17 #416A17

monochromatic

#050619 #0C0D38 #17186A #22239C #2D2FCF

Accessibility & contrast

On white

15.27

#17186A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#17186A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17186A

15.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17186A	#FFFFFF	#000000	##FFFFFF
##17186A	1.00	15.27	1.38	15.27
#FFFFFF	15.27	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00296C

Deuteranopia (green-blind)

#002169

Tritanopia (blue-blind)

#00303F

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #17186a;
/* rgb */ color: rgb(23, 24, 106);
/* oklch */ color: oklch(27.8% 0.137 272.5);

Tailwind

colors: {
  custom: {
    50: '#645696',
    500: '#17186a',
    950: '#000000',
  },
}

SCSS

$custom: #17186a;
$custom-light: #645696;
$custom-dark: #000000;

JSON

{
  "hex": "#17186a",
  "rgb": {
    "r": 23,
    "g": 24,
    "b": 106
  },
  "hsl": {
    "h": 239.277,
    "s": 64.341,
    "l": 25.294
  },
  "oklch": {
    "l": 0.27836,
    "c": 0.13723,
    "h": 272.5
  },
  "luminance": 0.01876
}

Semantic roles & 50–950 ramp

primary

#17186A

secondary

#A09F3D

accent

#E540E7

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030D

muted

#7A787E

Preview Lab

Preview with #17186A

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

Preview Lab → · Contrast checker → · Palette generator →