#171564#171564

#171564 is a dark, vivid blue. Relative luminance 0.016; OKLCH L 26.7% C 0.132 H 273.8°. Best body text is #FFFFFF at 15.82:1 contrast (WCAG AA passes).

Color values

HEX	#171564
RGB	rgb(23, 21, 100)
HSL	hsl(242, 65%, 24%)
HSV	hsv(242, 79%, 39%)
CMYK	cmyk(77%, 79%, 0%, 60.8%)
CIE-LAB	lab(13.46, 29.63, -45.67)
CIE-LCH	lch(13.46, 54.43, 302.97°)
OKLab	oklab(26.67% 0.0088 -0.1321)
OKLCH	oklch(26.67% 0.132 273.8)
XYZ	xyz(2.9210, 1.6383, 12.2164)
Luminance	0.0164 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171564 #626415

analogous

#153A64 #171564 #3E1564

triadic

#171564 #641715 #156417

tetradic

#171564 #64153A #626415 #15643E

square

#171564 #64153A #626415 #15643E

split-complementary

#171564 #643E15 #3A6415

monochromatic

#060519 #0B0A31 #171564 #232097 #2E2AC9

Accessibility & contrast

On white

15.82

#171564 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#171564 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171564

15.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171564	#FFFFFF	#000000	##FFFFFF
##171564	1.00	15.82	1.33	15.82
#FFFFFF	15.82	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002666

Deuteranopia (green-blind)

#001F63

Tritanopia (blue-blind)

#002C3B

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #171564;
/* rgb */ color: rgb(23, 21, 100);
/* oklch */ color: oklch(26.7% 0.132 273.8);

Tailwind

colors: {
  custom: {
    50: '#625391',
    500: '#171564',
    950: '#000000',
  },
}

SCSS

$custom: #171564;
$custom-light: #625391;
$custom-dark: #000000;

JSON

{
  "hex": "#171564",
  "rgb": {
    "r": 23,
    "g": 21,
    "b": 100
  },
  "hsl": {
    "h": 241.519,
    "s": 65.289,
    "l": 23.725
  },
  "oklch": {
    "l": 0.26666,
    "c": 0.13239,
    "h": 273.8
  },
  "luminance": 0.01639
}

Semantic roles & 50–950 ramp

primary

#171564

secondary

#999B3A

accent

#E840E4

background

#F6F4F9

surface

#EBE7F1

border

#C6C3CB

text

#06020D

muted

#7A787E

Preview Lab

Preview with #171564

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

Preview Lab → · Contrast checker → · Palette generator →