#17247B#17247B

#17247B is a dark, vivid blue. Relative luminance 0.029; OKLCH L 31.8% C 0.147 H 269.0°. Best body text is #FFFFFF at 13.34:1 contrast (WCAG AA passes).

Color values

HEX	#17247B
RGB	rgb(23, 36, 123)
HSL	hsl(232, 68%, 29%)
HSV	hsv(232, 81%, 48%)
CMYK	cmyk(81.3%, 70.7%, 0%, 51.8%)
CIE-LAB	lab(19.53, 28.51, -50.60)
CIE-LCH	lch(19.53, 58.08, 299.40°)
OKLab	oklab(31.78% -0.0026 -0.1465)
OKLCH	oklch(31.78% 0.147 269)
XYZ	xyz(4.5581, 2.8735, 19.0495)
Luminance	0.0287 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17247B #7B6E17

analogous

#17567B #17247B #3C177B

triadic

#17247B #7B1724 #247B17

tetradic

#17247B #7B1756 #7B6E17 #177B3C

square

#17247B #7B1756 #7B6E17 #177B3C

split-complementary

#17247B #7B3C17 #567B17

monochromatic

#05081A #0D1547 #17247B #2133AF #3349D9

Accessibility & contrast

On white

13.34

#17247B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#17247B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17247B

13.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17247B	#FFFFFF	#000000	##FFFFFF
##17247B	1.00	13.34	1.57	13.34
#FFFFFF	13.34	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00347E

Deuteranopia (green-blind)

#002B79

Tritanopia (blue-blind)

#003C4C

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #17247b;
/* rgb */ color: rgb(23, 36, 123);
/* oklch */ color: oklch(31.8% 0.147 269.0);

Tailwind

colors: {
  custom: {
    50: '#675fa2',
    500: '#17247b',
    950: '#000000',
  },
}

SCSS

$custom: #17247b;
$custom-light: #675fa2;
$custom-dark: #000000;

JSON

{
  "hex": "#17247b",
  "rgb": {
    "r": 23,
    "g": 36,
    "b": 123
  },
  "hsl": {
    "h": 232.2,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.31778,
    "c": 0.14654,
    "h": 269
  },
  "luminance": 0.02874
}

Semantic roles & 50–950 ramp

primary

#17247B

secondary

#B0A13E

accent

#D53CEB

background

#F6F5FA

surface

#EBE9F4

border

#C6C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #17247B

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

Preview Lab → · Contrast checker → · Palette generator →