#17439F#17439F

#17439F is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.4% C 0.157 H 262.5°. Best body text is #FFFFFF at 8.97:1 contrast (WCAG AA passes).

Color values

HEX	#17439F
RGB	rgb(23, 67, 159)
HSL	hsl(221, 75%, 36%)
HSV	hsv(221, 86%, 62%)
CMYK	cmyk(85.5%, 57.9%, 0%, 37.6%)
CIE-LAB	lab(31.11, 21.55, -53.97)
CIE-LCH	lch(31.11, 58.11, 291.76°)
OKLab	oklab(41.38% -0.0205 -0.156)
OKLCH	oklch(41.38% 0.157 262.5)
XYZ	xyz(8.6163, 6.6986, 33.6330)
Luminance	0.0670 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17439F #9F7317

analogous

#17879F #17439F #2F179F

triadic

#17439F #9F1743 #439F17

tetradic

#17439F #9F1787 #9F7317 #179F2F

square

#17439F #9F1787 #9F7317 #179F2F

split-complementary

#17439F #9F2F17 #879F17

monochromatic

#081634 #0F2C6A #17439F #1F5AD4 #4B7DE5

Accessibility & contrast

On white

8.97

#17439F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#17439F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17439F

8.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17439F	#FFFFFF	#000000	##FFFFFF
##17439F	1.00	8.97	2.34	8.97
#FFFFFF	8.97	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A2

Deuteranopia (green-blind)

#00439D

Tritanopia (blue-blind)

#005A6A

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #17439f;
/* rgb */ color: rgb(23, 67, 159);
/* oklch */ color: oklch(41.4% 0.157 262.5);

Tailwind

colors: {
  custom: {
    50: '#6e76bc',
    500: '#17439f',
    950: '#000000',
  },
}

SCSS

$custom: #17439f;
$custom-light: #6e76bc;
$custom-dark: #000000;

JSON

{
  "hex": "#17439f",
  "rgb": {
    "r": 23,
    "g": 67,
    "b": 159
  },
  "hsl": {
    "h": 220.588,
    "s": 74.725,
    "l": 35.686
  },
  "oklch": {
    "l": 0.41378,
    "c": 0.15734,
    "h": 262.5
  },
  "luminance": 0.067
}

Semantic roles & 50–950 ramp

primary

#17439F

secondary

#C79F4B

accent

#B536F1

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #17439F

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

Preview Lab → · Contrast checker → · Palette generator →