#171565#171565

#171565 is a dark, vivid blue. Relative luminance 0.017; OKLCH L 26.8% C 0.134 H 273.7°. Best body text is #FFFFFF at 15.77:1 contrast (WCAG AA passes).

Color values

HEX	#171565
RGB	rgb(23, 21, 101)
HSL	hsl(242, 66%, 24%)
HSV	hsv(242, 79%, 40%)
CMYK	cmyk(77.2%, 79.2%, 0%, 60.4%)
CIE-LAB	lab(13.58, 29.99, -46.14)
CIE-LCH	lch(13.58, 55.03, 303.02°)
OKLab	oklab(26.78% 0.0086 -0.1335)
OKLCH	oklch(26.78% 0.134 273.7)
XYZ	xyz(2.9697, 1.6578, 12.4729)
Luminance	0.0166 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171565 #636515

analogous

#153B65 #171565 #3F1565

triadic

#171565 #651715 #156517

tetradic

#171565 #65153B #636515 #15653F

square

#171565 #65153B #636515 #15653F

split-complementary

#171565 #653F15 #3B6515

monochromatic

#060519 #0B0A32 #171565 #232098 #2E2ACA

Accessibility & contrast

On white

15.77

#171565 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#171565 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171565

15.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171565	#FFFFFF	#000000	##FFFFFF
##171565	1.00	15.77	1.33	15.77
#FFFFFF	15.77	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002667

Deuteranopia (green-blind)

#001F64

Tritanopia (blue-blind)

#002C3C

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #171565;
/* rgb */ color: rgb(23, 21, 101);
/* oklch */ color: oklch(26.8% 0.134 273.7);

Tailwind

colors: {
  custom: {
    50: '#635392',
    500: '#171565',
    950: '#000000',
  },
}

SCSS

$custom: #171565;
$custom-light: #635392;
$custom-dark: #000000;

JSON

{
  "hex": "#171565",
  "rgb": {
    "r": 23,
    "g": 21,
    "b": 101
  },
  "hsl": {
    "h": 241.5,
    "s": 65.574,
    "l": 23.922
  },
  "oklch": {
    "l": 0.26782,
    "c": 0.13375,
    "h": 273.7
  },
  "luminance": 0.01658
}

Semantic roles & 50–950 ramp

primary

#171565

secondary

#9A9C3A

accent

#E93FE4

background

#F6F4F9

surface

#EBE7F1

border

#C6C3CB

text

#06020D

muted

#7A787E

Preview Lab

Preview with #171565

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

Preview Lab → · Contrast checker → · Palette generator →