#171690#171690

#171690 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.2% C 0.187 H 269.6°. Best body text is #FFFFFF at 13.51:1 contrast (WCAG AA passes).

Color values

HEX	#171690
RGB	rgb(23, 22, 144)
HSL	hsl(240, 73%, 33%)
HSV	hsv(240, 85%, 56%)
CMYK	cmyk(84%, 84.7%, 0%, 43.5%)
CIE-LAB	lab(19.09, 44.13, -64.55)
CIE-LCH	lch(19.09, 78.19, 304.36°)
OKLab	oklab(32.18% -0.0013 -0.1868)
OKLCH	oklch(32.18% 0.187 269.6)
XYZ	xyz(5.6726, 2.7689, 26.6156)
Luminance	0.0277 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171690 #8F9016

analogous

#165290 #171690 #541690

triadic

#171690 #901716 #169017

tetradic

#171690 #901652 #8F9016 #169054

square

#171690 #901652 #8F9016 #169054

split-complementary

#171690 #905416 #529016

monochromatic

#060626 #0F0E5B #171690 #1F1EC5 #403FE2

Accessibility & contrast

On white

13.51

#171690 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#171690 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171690

13.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171690	#FFFFFF	#000000	##FFFFFF
##171690	1.00	13.51	1.55	13.51
#FFFFFF	13.51	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003493

Deuteranopia (green-blind)

#00288E

Tritanopia (blue-blind)

#003E55

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #171690;
/* rgb */ color: rgb(23, 22, 144);
/* oklch */ color: oklch(32.2% 0.187 269.6);

Tailwind

colors: {
  custom: {
    50: '#6e57b2',
    500: '#171690',
    950: '#000000',
  },
}

SCSS

$custom: #171690;
$custom-light: #6e57b2;
$custom-dark: #000000;

JSON

{
  "hex": "#171690",
  "rgb": {
    "r": 23,
    "g": 22,
    "b": 144
  },
  "hsl": {
    "h": 240.492,
    "s": 73.494,
    "l": 32.549
  },
  "oklch": {
    "l": 0.32184,
    "c": 0.18685,
    "h": 269.6
  },
  "luminance": 0.0277
}

Semantic roles & 50–950 ramp

primary

#171690

secondary

#C1C240

accent

#F038EF

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #171690

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

Preview Lab → · Contrast checker → · Palette generator →