#171375#171375

#171375 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.4% C 0.156 H 272.1°. Best body text is #FFFFFF at 15.15:1 contrast (WCAG AA passes).

Color values

HEX	#171375
RGB	rgb(23, 19, 117)
HSL	hsl(242, 72%, 27%)
HSV	hsv(242, 84%, 46%)
CMYK	cmyk(80.3%, 83.8%, 0%, 54.1%)
CIE-LAB	lab(15.13, 36.75, -54.03)
CIE-LCH	lch(15.13, 65.34, 304.22°)
OKLab	oklab(28.44% 0.0057 -0.1564)
OKLCH	oklch(28.44% 0.156 272.1)
XYZ	xyz(3.7960, 1.9318, 16.9990)
Luminance	0.0193 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171375 #717513

analogous

#134075 #171375 #481375

triadic

#171375 #751713 #137517

tetradic

#171375 #751340 #717513 #137548

square

#171375 #751340 #717513 #137548

split-complementary

#171375 #754813 #407513

monochromatic

#05041A #0D0A40 #171375 #211CAA #2E27DC

Accessibility & contrast

On white

15.15

#171375 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#171375 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171375

15.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171375	#FFFFFF	#000000	##FFFFFF
##171375	1.00	15.15	1.39	15.15
#FFFFFF	15.15	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B78

Deuteranopia (green-blind)

#002173

Tritanopia (blue-blind)

#003244

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #171375;
/* rgb */ color: rgb(23, 19, 117);
/* oklch */ color: oklch(28.4% 0.156 272.1);

Tailwind

colors: {
  custom: {
    50: '#67539e',
    500: '#171375',
    950: '#000000',
  },
}

SCSS

$custom: #171375;
$custom-light: #67539e;
$custom-dark: #000000;

JSON

{
  "hex": "#171375",
  "rgb": {
    "r": 23,
    "g": 19,
    "b": 117
  },
  "hsl": {
    "h": 242.449,
    "s": 72.059,
    "l": 26.667
  },
  "oklch": {
    "l": 0.28439,
    "c": 0.15646,
    "h": 272.1
  },
  "luminance": 0.01932
}

Semantic roles & 50–950 ramp

primary

#171375

secondary

#A7AB38

accent

#EF39E7

background

#F6F4F9

surface

#ECE7F2

border

#C7C3CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #171375

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

Preview Lab → · Contrast checker → · Palette generator →