#17247A#17247A

#17247A is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.7% C 0.145 H 269.0°. Best body text is #FFFFFF at 13.38:1 contrast (WCAG AA passes).

Color values

HEX	#17247A
RGB	rgb(23, 36, 122)
HSL	hsl(232, 68%, 28%)
HSV	hsv(232, 81%, 48%)
CMYK	cmyk(81.1%, 70.5%, 0%, 52.2%)
CIE-LAB	lab(19.43, 28.13, -50.13)
CIE-LCH	lch(19.43, 57.48, 299.29°)
OKLab	oklab(31.67% -0.0025 -0.1451)
OKLCH	oklch(31.67% 0.145 269)
XYZ	xyz(4.4959, 2.8485, 18.7215)
Luminance	0.0285 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17247A #7A6D17

analogous

#17557A #17247A #3B177A

triadic

#17247A #7A1724 #247A17

tetradic

#17247A #7A1755 #7A6D17 #177A3B

square

#17247A #7A1755 #7A6D17 #177A3B

split-complementary

#17247A #7A3B17 #557A17

monochromatic

#05081A #0D1547 #17247A #2133AD #3349D9

Accessibility & contrast

On white

13.38

#17247A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#17247A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17247A

13.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17247A	#FFFFFF	#000000	##FFFFFF
##17247A	1.00	13.38	1.57	13.38
#FFFFFF	13.38	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00347D

Deuteranopia (green-blind)

#002A78

Tritanopia (blue-blind)

#003C4C

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #17247a;
/* rgb */ color: rgb(23, 36, 122);
/* oklch */ color: oklch(31.7% 0.145 269.0);

Tailwind

colors: {
  custom: {
    50: '#675fa1',
    500: '#17247a',
    950: '#000000',
  },
}

SCSS

$custom: #17247a;
$custom-light: #675fa1;
$custom-dark: #000000;

JSON

{
  "hex": "#17247a",
  "rgb": {
    "r": 23,
    "g": 36,
    "b": 122
  },
  "hsl": {
    "h": 232.121,
    "s": 68.276,
    "l": 28.431
  },
  "oklch": {
    "l": 0.31672,
    "c": 0.14517,
    "h": 269
  },
  "luminance": 0.02849
}

Semantic roles & 50–950 ramp

primary

#17247A

secondary

#AFA03E

accent

#D43DEB

background

#F6F5FA

surface

#EBE9F3

border

#C6C5CD

text

#07040F

muted

#7A797F

Preview Lab

Preview with #17247A

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

Preview Lab → · Contrast checker → · Palette generator →