#172255#172255

#172255 is a dark, moderate blue. Relative luminance 0.020; OKLCH L 27.6% C 0.093 H 270.0°. Best body text is #FFFFFF at 15.04:1 contrast (WCAG AA passes).

Color values

HEX	#172255
RGB	rgb(23, 34, 85)
HSL	hsl(229, 57%, 21%)
HSV	hsv(229, 73%, 33%)
CMYK	cmyk(72.9%, 60%, 0%, 66.7%)
CIE-LAB	lab(15.39, 14.66, -32.48)
CIE-LCH	lch(15.39, 35.63, 294.29°)
OKLab	oklab(27.62% 0 -0.0934)
OKLCH	oklch(27.62% 0.093 270)
XYZ	xyz(2.5645, 1.9818, 8.8400)
Luminance	0.0198 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172255 #554A17

analogous

#174155 #172255 #2B1755

triadic

#172255 #551722 #225517

tetradic

#172255 #551741 #554A17 #17552B

square

#172255 #551741 #554A17 #17552B

split-complementary

#172255 #552B17 #415517

monochromatic

#070A18 #0A0F25 #172255 #243585 #3149B5

Accessibility & contrast

On white

15.04

#172255 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#172255 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172255

15.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172255	#FFFFFF	#000000	##FFFFFF
##172255	1.00	15.04	1.40	15.04
#FFFFFF	15.04	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002957

Deuteranopia (green-blind)

#002454

Tritanopia (blue-blind)

#002E37

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #172255;
/* rgb */ color: rgb(23, 34, 85);
/* oklch */ color: oklch(27.6% 0.093 270.0);

Tailwind

colors: {
  custom: {
    50: '#5d5c85',
    500: '#172255',
    950: '#000000',
  },
}

SCSS

$custom: #172255;
$custom-light: #5d5c85;
$custom-dark: #000000;

JSON

{
  "hex": "#172255",
  "rgb": {
    "r": 23,
    "g": 34,
    "b": 85
  },
  "hsl": {
    "h": 229.355,
    "s": 57.407,
    "l": 21.176
  },
  "oklch": {
    "l": 0.27618,
    "c": 0.09342,
    "h": 270
  },
  "luminance": 0.01982
}

Semantic roles & 50–950 ramp

primary

#172255

secondary

#8C7E3C

accent

#C547E1

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#05040B

muted

#79797C

Preview Lab

Preview with #172255

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

Preview Lab → · Contrast checker → · Palette generator →