#17247C#17247C

#17247C is a dark, vivid blue. Relative luminance 0.029; OKLCH L 31.9% C 0.148 H 269.0°. Best body text is #FFFFFF at 13.29:1 contrast (WCAG AA passes).

Color values

HEX	#17247C
RGB	rgb(23, 36, 124)
HSL	hsl(232, 69%, 29%)
HSV	hsv(232, 81%, 49%)
CMYK	cmyk(81.5%, 71%, 0%, 51.4%)
CIE-LAB	lab(19.63, 28.90, -51.07)
CIE-LCH	lch(19.63, 58.68, 299.51°)
OKLab	oklab(31.88% -0.0027 -0.1479)
OKLCH	oklch(31.88% 0.148 269)
XYZ	xyz(4.6211, 2.8986, 19.3808)
Luminance	0.0290 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17247C #7C6F17

analogous

#17577C #17247C #3D177C

triadic

#17247C #7C1724 #247C17

tetradic

#17247C #7C1757 #7C6F17 #177C3D

square

#17247C #7C1757 #7C6F17 #177C3D

split-complementary

#17247C #7C3D17 #577C17

monochromatic

#05071A #0D1548 #17247C #2133B0 #3449D9

Accessibility & contrast

On white

13.29

#17247C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#17247C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17247C

13.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17247C	#FFFFFF	#000000	##FFFFFF
##17247C	1.00	13.29	1.58	13.29
#FFFFFF	13.29	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00347F

Deuteranopia (green-blind)

#002B7A

Tritanopia (blue-blind)

#003C4D

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #17247c;
/* rgb */ color: rgb(23, 36, 124);
/* oklch */ color: oklch(31.9% 0.148 269.0);

Tailwind

colors: {
  custom: {
    50: '#675fa3',
    500: '#17247c',
    950: '#000000',
  },
}

SCSS

$custom: #17247c;
$custom-light: #675fa3;
$custom-dark: #000000;

JSON

{
  "hex": "#17247c",
  "rgb": {
    "r": 23,
    "g": 36,
    "b": 124
  },
  "hsl": {
    "h": 232.277,
    "s": 68.707,
    "l": 28.824
  },
  "oklch": {
    "l": 0.31884,
    "c": 0.1479,
    "h": 269
  },
  "luminance": 0.02899
}

Semantic roles & 50–950 ramp

primary

#17247C

secondary

#B1A23E

accent

#D53CEC

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #17247C

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

Preview Lab → · Contrast checker → · Palette generator →