#171875#171875

#171875 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.1% C 0.152 H 271.5°. Best body text is #FFFFFF at 14.75:1 contrast (WCAG AA passes).

Color values

HEX	#171875
RGB	rgb(23, 24, 117)
HSL	hsl(239, 67%, 27%)
HSV	hsv(239, 80%, 46%)
CMYK	cmyk(80.3%, 79.5%, 0%, 54.1%)
CIE-LAB	lab(16.10, 33.94, -52.41)
CIE-LCH	lch(16.10, 62.44, 302.92°)
OKLab	oklab(29.12% 0.0039 -0.1517)
OKLCH	oklch(29.12% 0.152 271.5)
XYZ	xyz(3.8898, 2.1194, 17.0302)
Luminance	0.0212 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171875 #757417

analogous

#174775 #171875 #451775

triadic

#171875 #751718 #187517

tetradic

#171875 #751747 #757417 #177545

square

#171875 #751747 #757417 #177545

split-complementary

#171875 #754517 #477517

monochromatic

#05051A #0D0E42 #171875 #2122A8 #3032D6

Accessibility & contrast

On white

14.75

#171875 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#171875 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171875

14.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171875	#FFFFFF	#000000	##FFFFFF
##171875	1.00	14.75	1.42	14.75
#FFFFFF	14.75	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D78

Deuteranopia (green-blind)

#002373

Tritanopia (blue-blind)

#003446

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #171875;
/* rgb */ color: rgb(23, 24, 117);
/* oklch */ color: oklch(29.1% 0.152 271.5);

Tailwind

colors: {
  custom: {
    50: '#67569e',
    500: '#171875',
    950: '#000000',
  },
}

SCSS

$custom: #171875;
$custom-light: #67569e;
$custom-dark: #000000;

JSON

{
  "hex": "#171875",
  "rgb": {
    "r": 23,
    "g": 24,
    "b": 117
  },
  "hsl": {
    "h": 239.362,
    "s": 67.143,
    "l": 27.451
  },
  "oklch": {
    "l": 0.29123,
    "c": 0.15179,
    "h": 271.5
  },
  "luminance": 0.0212
}

Semantic roles & 50–950 ramp

primary

#171875

secondary

#AAA93D

accent

#E83EEA

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #171875

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

Preview Lab → · Contrast checker → · Palette generator →