#172166#172166

#172166 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.0% C 0.121 H 270.4°. Best body text is #FFFFFF at 14.52:1 contrast (WCAG AA passes).

Color values

HEX	#172166
RGB	rgb(23, 33, 102)
HSL	hsl(232, 63%, 25%)
HSV	hsv(232, 77%, 40%)
CMYK	cmyk(77.5%, 67.6%, 0%, 60%)
CIE-LAB	lab(16.64, 22.32, -41.75)
CIE-LCH	lch(16.64, 47.34, 298.13°)
OKLab	oklab(29.03% 0.0009 -0.1207)
OKLCH	oklch(29.03% 0.121 270.4)
XYZ	xyz(3.2947, 2.2288, 12.8244)
Luminance	0.0223 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172166 #665C17

analogous

#174966 #172166 #351766

triadic

#172166 #661721 #216617

tetradic

#172166 #661749 #665C17 #176635

square

#172166 #661749 #665C17 #176635

split-complementary

#172166 #663517 #496617

monochromatic

#060819 #0C1134 #172166 #223198 #2E41CA

Accessibility & contrast

On white

14.52

#172166 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#172166 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172166

14.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172166	#FFFFFF	#000000	##FFFFFF
##172166	1.00	14.52	1.45	14.52
#FFFFFF	14.52	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D68

Deuteranopia (green-blind)

#002565

Tritanopia (blue-blind)

#003340

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #172166;
/* rgb */ color: rgb(23, 33, 102);
/* oklch */ color: oklch(29.0% 0.121 270.4);

Tailwind

colors: {
  custom: {
    50: '#625c92',
    500: '#172166',
    950: '#000000',
  },
}

SCSS

$custom: #172166;
$custom-light: #625c92;
$custom-dark: #000000;

JSON

{
  "hex": "#172166",
  "rgb": {
    "r": 23,
    "g": 33,
    "b": 102
  },
  "hsl": {
    "h": 232.405,
    "s": 63.2,
    "l": 24.51
  },
  "oklch": {
    "l": 0.29029,
    "c": 0.12066,
    "h": 270.4
  },
  "luminance": 0.02229
}

Semantic roles & 50–950 ramp

primary

#172166

secondary

#9C903C

accent

#D142E6

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06040D

muted

#7A797E

Preview Lab

Preview with #172166

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

Preview Lab → · Contrast checker → · Palette generator →