#171865#171865

#171865 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.3% C 0.130 H 273.1°. Best body text is #FFFFFF at 15.50:1 contrast (WCAG AA passes).

Color values

HEX	#171865
RGB	rgb(23, 24, 101)
HSL	hsl(239, 63%, 24%)
HSV	hsv(239, 77%, 40%)
CMYK	cmyk(77.2%, 76.2%, 0%, 60.4%)
CIE-LAB	lab(14.26, 28.09, -45.02)
CIE-LCH	lch(14.26, 53.06, 301.96°)
OKLab	oklab(27.27% 0.0069 -0.1302)
OKLCH	oklch(27.27% 0.13 273.1)
XYZ	xyz(3.0282, 1.7747, 12.4924)
Luminance	0.0177 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171865 #656417

analogous

#173F65 #171865 #3D1765

triadic

#171865 #651718 #186517

tetradic

#171865 #65173F #656417 #17653D

square

#171865 #65173F #656417 #17653D

split-complementary

#171865 #653D17 #3F6517

monochromatic

#060619 #0C0C33 #171865 #222497 #2E30C9

Accessibility & contrast

On white

15.50

#171865 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#171865 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171865

15.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171865	#FFFFFF	#000000	##FFFFFF
##171865	1.00	15.50	1.36	15.50
#FFFFFF	15.50	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002867

Deuteranopia (green-blind)

#002064

Tritanopia (blue-blind)

#002E3C

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #171865;
/* rgb */ color: rgb(23, 24, 101);
/* oklch */ color: oklch(27.3% 0.130 273.1);

Tailwind

colors: {
  custom: {
    50: '#625592',
    500: '#171865',
    950: '#000000',
  },
}

SCSS

$custom: #171865;
$custom-light: #625592;
$custom-dark: #000000;

JSON

{
  "hex": "#171865",
  "rgb": {
    "r": 23,
    "g": 24,
    "b": 101
  },
  "hsl": {
    "h": 239.231,
    "s": 62.903,
    "l": 24.314
  },
  "oklch": {
    "l": 0.27266,
    "c": 0.1304,
    "h": 273.1
  },
  "luminance": 0.01775
}

Semantic roles & 50–950 ramp

primary

#171865

secondary

#9B9A3C

accent

#E442E6

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #171865

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

Preview Lab → · Contrast checker → · Palette generator →