#171963#171963

#171963 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.2% C 0.126 H 273.0°. Best body text is #FFFFFF at 15.49:1 contrast (WCAG AA passes).

Color values

HEX	#171963
RGB	rgb(23, 25, 99)
HSL	hsl(238, 62%, 24%)
HSV	hsv(238, 77%, 39%)
CMYK	cmyk(76.8%, 74.7%, 0%, 61.2%)
CIE-LAB	lab(14.28, 26.67, -43.66)
CIE-LCH	lch(14.28, 51.16, 301.42°)
OKLab	oklab(27.21% 0.0067 -0.1263)
OKLCH	oklch(27.21% 0.126 273)
XYZ	xyz(2.9524, 1.7780, 11.9896)
Luminance	0.0178 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171963 #636117

analogous

#173F63 #171963 #3B1763

triadic

#171963 #631719 #196317

tetradic

#171963 #63173F #636117 #17633B

square

#171963 #63173F #636117 #17633B

split-complementary

#171963 #633B17 #3F6317

monochromatic

#060619 #0B0C31 #171963 #232695 #2E32C6

Accessibility & contrast

On white

15.49

#171963 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#171963 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171963

15.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171963	#FFFFFF	#000000	##FFFFFF
##171963	1.00	15.49	1.36	15.49
#FFFFFF	15.49	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002865

Deuteranopia (green-blind)

#002162

Tritanopia (blue-blind)

#002E3C

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #171963;
/* rgb */ color: rgb(23, 25, 99);
/* oklch */ color: oklch(27.2% 0.126 273.0);

Tailwind

colors: {
  custom: {
    50: '#625690',
    500: '#171963',
    950: '#000000',
  },
}

SCSS

$custom: #171963;
$custom-light: #625690;
$custom-dark: #000000;

JSON

{
  "hex": "#171963",
  "rgb": {
    "r": 23,
    "g": 25,
    "b": 99
  },
  "hsl": {
    "h": 238.421,
    "s": 62.295,
    "l": 23.922
  },
  "oklch": {
    "l": 0.27213,
    "c": 0.12646,
    "h": 273
  },
  "luminance": 0.01778
}

Semantic roles & 50–950 ramp

primary

#171963

secondary

#9A973C

accent

#E142E5

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030D

muted

#7A787D

Preview Lab

Preview with #171963

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

Preview Lab → · Contrast checker → · Palette generator →