#17359F#17359F

#17359F is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.6% C 0.175 H 265.7°. Best body text is #FFFFFF at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#17359F
RGB	rgb(23, 53, 159)
HSL	hsl(227, 75%, 36%)
HSV	hsv(227, 86%, 62%)
CMYK	cmyk(85.5%, 66.7%, 0%, 37.6%)
CIE-LAB	lab(27.38, 31.05, -60.07)
CIE-LCH	lch(27.38, 67.62, 297.34°)
OKLab	oklab(38.6% -0.013 -0.1741)
OKLCH	oklch(38.6% 0.175 265.7)
XYZ	xyz(7.8823, 5.2306, 33.3883)
Luminance	0.0523 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17359F #9F8117

analogous

#17799F #17359F #3D179F

triadic

#17359F #9F1735 #359F17

tetradic

#17359F #9F1779 #9F8117 #179F3D

square

#17359F #9F1779 #9F8117 #179F3D

split-complementary

#17359F #9F3D17 #799F17

monochromatic

#081134 #0F236A #17359F #1F47D4 #4B6DE5

Accessibility & contrast

On white

10.26

#17359F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#17359F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17359F

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17359F	#FFFFFF	#000000	##FFFFFF
##17359F	1.00	10.26	2.05	10.26
#FFFFFF	10.26	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A2

Deuteranopia (green-blind)

#003A9D

Tritanopia (blue-blind)

#005265

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #17359f;
/* rgb */ color: rgb(23, 53, 159);
/* oklch */ color: oklch(38.6% 0.175 265.7);

Tailwind

colors: {
  custom: {
    50: '#706cbc',
    500: '#17359f',
    950: '#000000',
  },
}

SCSS

$custom: #17359f;
$custom-light: #706cbc;
$custom-dark: #000000;

JSON

{
  "hex": "#17359f",
  "rgb": {
    "r": 23,
    "g": 53,
    "b": 159
  },
  "hsl": {
    "h": 226.765,
    "s": 74.725,
    "l": 35.686
  },
  "oklch": {
    "l": 0.38602,
    "c": 0.17455,
    "h": 265.7
  },
  "luminance": 0.05232
}

Semantic roles & 50–950 ramp

primary

#17359F

secondary

#C7AB4B

accent

#C836F1

background

#F7F6FB

surface

#EDEBF7

border

#C8C6D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #17359F

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

Preview Lab → · Contrast checker → · Palette generator →