#17248F#17248F

#17248F is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.0% C 0.173 H 268.4°. Best body text is #FFFFFF at 12.46:1 contrast (WCAG AA passes).

Color values

HEX	#17248F
RGB	rgb(23, 36, 143)
HSL	hsl(234, 72%, 33%)
HSV	hsv(234, 84%, 56%)
CMYK	cmyk(83.9%, 74.8%, 0%, 43.9%)
CIE-LAB	lab(21.68, 36.03, -59.64)
CIE-LCH	lch(21.68, 69.68, 301.13°)
OKLab	oklab(33.97% -0.0048 -0.1728)
OKLCH	oklch(33.97% 0.173 268.4)
XYZ	xyz(5.9404, 3.4264, 26.3295)
Luminance	0.0343 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17248F #8F8217

analogous

#17608F #17248F #46178F

triadic

#17248F #8F1724 #248F17

tetradic

#17248F #8F1760 #8F8217 #178F46

square

#17248F #8F1760 #8F8217 #178F46

split-complementary

#17248F #8F4617 #608F17

monochromatic

#060926 #0F175A #17248F #1F31C4 #4051E0

Accessibility & contrast

On white

12.46

#17248F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#17248F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17248F

12.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17248F	#FFFFFF	#000000	##FFFFFF
##17248F	1.00	12.46	1.69	12.46
#FFFFFF	12.46	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A92

Deuteranopia (green-blind)

#002E8D

Tritanopia (blue-blind)

#004357

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #17248f;
/* rgb */ color: rgb(23, 36, 143);
/* oklch */ color: oklch(34.0% 0.173 268.4);

Tailwind

colors: {
  custom: {
    50: '#6d5fb1',
    500: '#17248f',
    950: '#000000',
  },
}

SCSS

$custom: #17248f;
$custom-light: #6d5fb1;
$custom-dark: #000000;

JSON

{
  "hex": "#17248f",
  "rgb": {
    "r": 23,
    "g": 36,
    "b": 143
  },
  "hsl": {
    "h": 233.5,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.33967,
    "c": 0.17291,
    "h": 268.4
  },
  "luminance": 0.03427
}

Semantic roles & 50–950 ramp

primary

#17248F

secondary

#C1B341

accent

#DB39EF

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#080511

muted

#7B7980

Preview Lab

Preview with #17248F

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

Preview Lab → · Contrast checker → · Palette generator →