#17198A#17198A

#17198A is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.8% C 0.177 H 269.8°. Best body text is #FFFFFF at 13.62:1 contrast (WCAG AA passes).

Color values

HEX	#17198A
RGB	rgb(23, 25, 138)
HSL	hsl(239, 71%, 32%)
HSV	hsv(239, 83%, 54%)
CMYK	cmyk(83.3%, 81.9%, 0%, 45.9%)
CIE-LAB	lab(18.85, 40.65, -61.20)
CIE-LCH	lch(18.85, 73.47, 303.59°)
OKLab	oklab(31.8% -0.0007 -0.1772)
OKLCH	oklch(31.8% 0.177 269.8)
XYZ	xyz(5.2869, 2.7118, 24.2846)
Luminance	0.0271 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17198A #8A8817

analogous

#17538A #17198A #4F178A

triadic

#17198A #8A1719 #198A17

tetradic

#17198A #8A1753 #8A8817 #178A4F

square

#17198A #8A1753 #8A8817 #178A4F

split-complementary

#17198A #8A4F17 #538A17

monochromatic

#060621 #0E0F56 #17198A #2023BE #3D40DF

Accessibility & contrast

On white

13.62

#17198A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#17198A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17198A

13.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17198A	#FFFFFF	#000000	##FFFFFF
##17198A	1.00	13.62	1.54	13.62
#FFFFFF	13.62	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00348D

Deuteranopia (green-blind)

#002888

Tritanopia (blue-blind)

#003C52

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #17198a;
/* rgb */ color: rgb(23, 25, 138);
/* oklch */ color: oklch(31.8% 0.177 269.8);

Tailwind

colors: {
  custom: {
    50: '#6c58ad',
    500: '#17198a',
    950: '#000000',
  },
}

SCSS

$custom: #17198a;
$custom-light: #6c58ad;
$custom-dark: #000000;

JSON

{
  "hex": "#17198a",
  "rgb": {
    "r": 23,
    "g": 25,
    "b": 138
  },
  "hsl": {
    "h": 238.957,
    "s": 71.429,
    "l": 31.569
  },
  "oklch": {
    "l": 0.31797,
    "c": 0.17724,
    "h": 269.8
  },
  "luminance": 0.02712
}

Semantic roles & 50–950 ramp

primary

#17198A

secondary

#BEBB3F

accent

#EB3AEE

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #17198A

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

Preview Lab → · Contrast checker → · Palette generator →