#171663#171663

#171663 is a dark, vivid blue. Relative luminance 0.017; OKLCH L 26.7% C 0.130 H 273.7°. Best body text is #FFFFFF at 15.77:1 contrast (WCAG AA passes).

Color values

HEX	#171663
RGB	rgb(23, 22, 99)
HSL	hsl(241, 64%, 24%)
HSV	hsv(241, 78%, 39%)
CMYK	cmyk(76.8%, 77.8%, 0%, 61.2%)
CIE-LAB	lab(13.57, 28.63, -44.82)
CIE-LCH	lch(13.57, 53.19, 302.57°)
OKLab	oklab(26.71% 0.0085 -0.1297)
OKLCH	oklch(26.71% 0.13 273.7)
XYZ	xyz(2.8916, 1.6565, 11.9693)
Luminance	0.0166 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171663 #626316

analogous

#163B63 #171663 #3D1663

triadic

#171663 #631716 #166317

tetradic

#171663 #63163B #626316 #16633D

square

#171663 #63163B #626316 #16633D

split-complementary

#171663 #633D16 #3B6316

monochromatic

#060619 #0B0B31 #171663 #232195 #2E2CC7

Accessibility & contrast

On white

15.77

#171663 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#171663 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171663

15.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171663	#FFFFFF	#000000	##FFFFFF
##171663	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)

#002665

Deuteranopia (green-blind)

#001F62

Tritanopia (blue-blind)

#002C3B

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #171663;
/* rgb */ color: rgb(23, 22, 99);
/* oklch */ color: oklch(26.7% 0.130 273.7);

Tailwind

colors: {
  custom: {
    50: '#625490',
    500: '#171663',
    950: '#000000',
  },
}

SCSS

$custom: #171663;
$custom-light: #625490;
$custom-dark: #000000;

JSON

{
  "hex": "#171663",
  "rgb": {
    "r": 23,
    "g": 22,
    "b": 99
  },
  "hsl": {
    "h": 240.779,
    "s": 63.636,
    "l": 23.725
  },
  "oklch": {
    "l": 0.26709,
    "c": 0.12994,
    "h": 273.7
  },
  "luminance": 0.01657
}

Semantic roles & 50–950 ramp

primary

#171663

secondary

#999A3B

accent

#E741E5

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06030D

muted

#7A787D

Preview Lab

Preview with #171663

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

Preview Lab → · Contrast checker → · Palette generator →