#17409F#17409F

#17409F is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.8% C 0.161 H 263.3°. Best body text is #FFFFFF at 9.25:1 contrast (WCAG AA passes).

Color values

HEX	#17409F
RGB	rgb(23, 64, 159)
HSL	hsl(222, 75%, 36%)
HSV	hsv(222, 86%, 62%)
CMYK	cmyk(85.5%, 59.7%, 0%, 37.6%)
CIE-LAB	lab(30.28, 23.60, -55.32)
CIE-LCH	lch(30.28, 60.15, 293.10°)
OKLab	oklab(40.76% -0.0187 -0.16)
OKLCH	oklch(40.76% 0.161 263.3)
XYZ	xyz(8.4425, 6.3511, 33.5751)
Luminance	0.0635 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17409F #9F7617

analogous

#17849F #17409F #32179F

triadic

#17409F #9F1740 #409F17

tetradic

#17409F #9F1784 #9F7617 #179F32

square

#17409F #9F1784 #9F7617 #179F32

split-complementary

#17409F #9F3217 #849F17

monochromatic

#081534 #0F2A6A #17409F #1F56D4 #4B7AE5

Accessibility & contrast

On white

9.25

#17409F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#17409F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17409F

9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17409F	#FFFFFF	#000000	##FFFFFF
##17409F	1.00	9.25	2.27	9.25
#FFFFFF	9.25	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA2

Deuteranopia (green-blind)

#00419D

Tritanopia (blue-blind)

#005869

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #17409f;
/* rgb */ color: rgb(23, 64, 159);
/* oklch */ color: oklch(40.8% 0.161 263.3);

Tailwind

colors: {
  custom: {
    50: '#6f74bc',
    500: '#17409f',
    950: '#000000',
  },
}

SCSS

$custom: #17409f;
$custom-light: #6f74bc;
$custom-dark: #000000;

JSON

{
  "hex": "#17409f",
  "rgb": {
    "r": 23,
    "g": 64,
    "b": 159
  },
  "hsl": {
    "h": 221.912,
    "s": 74.725,
    "l": 35.686
  },
  "oklch": {
    "l": 0.40755,
    "c": 0.16111,
    "h": 263.3
  },
  "luminance": 0.06352
}

Semantic roles & 50–950 ramp

primary

#17409F

secondary

#C7A14B

accent

#B936F1

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #17409F

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

Preview Lab → · Contrast checker → · Palette generator →