#171575#171575

#171575 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.7% C 0.155 H 271.9°. Best body text is #FFFFFF at 14.99:1 contrast (WCAG AA passes).

Color values

HEX	#171575
RGB	rgb(23, 21, 117)
HSL	hsl(241, 70%, 27%)
HSV	hsv(241, 82%, 46%)
CMYK	cmyk(80.3%, 82.1%, 0%, 54.1%)
CIE-LAB	lab(15.50, 35.66, -53.41)
CIE-LCH	lch(15.50, 64.22, 303.73°)
OKLab	oklab(28.7% 0.005 -0.1546)
OKLCH	oklch(28.7% 0.155 271.9)
XYZ	xyz(3.8313, 2.0024, 17.0108)
Luminance	0.0200 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171575 #737515

analogous

#154375 #171575 #471575

triadic

#171575 #751715 #157517

tetradic

#171575 #751543 #737515 #157547

square

#171575 #751543 #737515 #157547

split-complementary

#171575 #754715 #437515

monochromatic

#05051A #0D0C41 #171575 #211EA9 #2F2BD9

Accessibility & contrast

On white

14.99

#171575 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#171575 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171575

14.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171575	#FFFFFF	#000000	##FFFFFF
##171575	1.00	14.99	1.40	14.99
#FFFFFF	14.99	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	14.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B78

Deuteranopia (green-blind)

#002273

Tritanopia (blue-blind)

#003345

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #171575;
/* rgb */ color: rgb(23, 21, 117);
/* oklch */ color: oklch(28.7% 0.155 271.9);

Tailwind

colors: {
  custom: {
    50: '#67559e',
    500: '#171575',
    950: '#000000',
  },
}

SCSS

$custom: #171575;
$custom-light: #67559e;
$custom-dark: #000000;

JSON

{
  "hex": "#171575",
  "rgb": {
    "r": 23,
    "g": 21,
    "b": 117
  },
  "hsl": {
    "h": 241.25,
    "s": 69.565,
    "l": 27.059
  },
  "oklch": {
    "l": 0.287,
    "c": 0.15467,
    "h": 271.9
  },
  "luminance": 0.02003
}

Semantic roles & 50–950 ramp

primary

#171575

secondary

#A9AB3B

accent

#EC3BE9

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #171575

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

Preview Lab → · Contrast checker → · Palette generator →