#171590#171590

#171590 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 32.1% C 0.188 H 269.6°. Best body text is #FFFFFF at 13.58:1 contrast (WCAG AA passes).

Color values

HEX	#171590
RGB	rgb(23, 21, 144)
HSL	hsl(241, 75%, 32%)
HSV	hsv(241, 85%, 56%)
CMYK	cmyk(84%, 85.4%, 0%, 43.5%)
CIE-LAB	lab(18.93, 44.60, -64.81)
CIE-LCH	lch(18.93, 78.67, 304.54°)
OKLab	oklab(32.07% -0.0012 -0.1876)
OKLCH	oklch(32.07% 0.188 269.6)
XYZ	xyz(5.6538, 2.7314, 26.6094)
Luminance	0.0273 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171590 #8E9015

analogous

#155090 #171590 #551590

triadic

#171590 #901715 #159017

tetradic

#171590 #901550 #8E9015 #159055

square

#171590 #901550 #8E9015 #159055

split-complementary

#171590 #905515 #509015

monochromatic

#060525 #0E0D5B #171590 #201DC5 #3F3DE3

Accessibility & contrast

On white

13.58

#171590 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#171590 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171590

13.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171590	#FFFFFF	#000000	##FFFFFF
##171590	1.00	13.58	1.55	13.58
#FFFFFF	13.58	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003493

Deuteranopia (green-blind)

#00278E

Tritanopia (blue-blind)

#003E55

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #171590;
/* rgb */ color: rgb(23, 21, 144);
/* oklch */ color: oklch(32.1% 0.188 269.6);

Tailwind

colors: {
  custom: {
    50: '#6f57b2',
    500: '#171590',
    950: '#000000',
  },
}

SCSS

$custom: #171590;
$custom-light: #6f57b2;
$custom-dark: #000000;

JSON

{
  "hex": "#171590",
  "rgb": {
    "r": 23,
    "g": 21,
    "b": 144
  },
  "hsl": {
    "h": 240.976,
    "s": 74.545,
    "l": 32.353
  },
  "oklch": {
    "l": 0.32074,
    "c": 0.1876,
    "h": 269.6
  },
  "luminance": 0.02732
}

Semantic roles & 50–950 ramp

primary

#171590

secondary

#C0C23E

accent

#F137EE

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #171590

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

Preview Lab → · Contrast checker → · Palette generator →