#17197A#17197A

#17197A is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.9% C 0.157 H 270.9°. Best body text is #FFFFFF at 14.42:1 contrast (WCAG AA passes).

Color values

HEX	#17197A
RGB	rgb(23, 25, 122)
HSL	hsl(239, 68%, 28%)
HSV	hsv(239, 81%, 48%)
CMYK	cmyk(81.1%, 79.5%, 0%, 52.2%)
CIE-LAB	lab(16.90, 35.12, -54.30)
CIE-LCH	lch(16.90, 64.67, 302.90°)
OKLab	oklab(29.86% 0.0025 -0.1572)
OKLCH	oklch(29.86% 0.157 270.9)
XYZ	xyz(4.2126, 2.2821, 18.6270)
Luminance	0.0228 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17197A #7A7817

analogous

#174A7A #17197A #46177A

triadic

#17197A #7A1719 #197A17

tetradic

#17197A #7A174A #7A7817 #177A46

square

#17197A #7A174A #7A7817 #177A46

split-complementary

#17197A #7A4617 #4A7A17

monochromatic

#05051A #0D0E47 #17197A #2124AD #3336D9

Accessibility & contrast

On white

14.42

#17197A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#17197A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17197A

14.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17197A	#FFFFFF	#000000	##FFFFFF
##17197A	1.00	14.42	1.46	14.42
#FFFFFF	14.42	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F7D

Deuteranopia (green-blind)

#002578

Tritanopia (blue-blind)

#003649

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #17197a;
/* rgb */ color: rgb(23, 25, 122);
/* oklch */ color: oklch(29.9% 0.157 270.9);

Tailwind

colors: {
  custom: {
    50: '#6857a2',
    500: '#17197a',
    950: '#000000',
  },
}

SCSS

$custom: #17197a;
$custom-light: #6857a2;
$custom-dark: #000000;

JSON

{
  "hex": "#17197a",
  "rgb": {
    "r": 23,
    "g": 25,
    "b": 122
  },
  "hsl": {
    "h": 238.788,
    "s": 68.276,
    "l": 28.431
  },
  "oklch": {
    "l": 0.29863,
    "c": 0.15725,
    "h": 270.9
  },
  "luminance": 0.02283
}

Semantic roles & 50–950 ramp

primary

#17197A

secondary

#AFAD3E

accent

#E83DEB

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07030F

muted

#7A787F

Preview Lab

Preview with #17197A

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

Preview Lab → · Contrast checker → · Palette generator →