#172145#172145

#172145 is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.0% C 0.069 H 269.5°. Best body text is #FFFFFF at 15.67:1 contrast (WCAG AA passes).

Color values

HEX	#172145
RGB	rgb(23, 33, 69)
HSL	hsl(227, 50%, 18%)
HSV	hsv(227, 67%, 27%)
CMYK	cmyk(66.7%, 52.2%, 0%, 72.9%)
CIE-LAB	lab(13.82, 8.82, -24.06)
CIE-LCH	lch(13.82, 25.63, 290.13°)
OKLab	oklab(26.03% -0.0006 -0.0687)
OKLCH	oklch(26.03% 0.069 269.5)
XYZ	xyz(1.9710, 1.6994, 5.8532)
Luminance	0.0170 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172145 #453B17

analogous

#173845 #172145 #241745

triadic

#172145 #451721 #214517

tetradic

#172145 #451738 #453B17 #174524

square

#172145 #451738 #453B17 #174524

split-complementary

#172145 #452417 #384517

monochromatic

#080B17 #080B17 #172145 #263773 #364DA1

Accessibility & contrast

On white

15.67

#172145 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#172145 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172145

15.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172145	#FFFFFF	#000000	##FFFFFF
##172145	1.00	15.67	1.34	15.67
#FFFFFF	15.67	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#102546

Deuteranopia (green-blind)

#092144

Tritanopia (blue-blind)

#00292F

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #172145;
/* rgb */ color: rgb(23, 33, 69);
/* oklch */ color: oklch(26.0% 0.069 269.5);

Tailwind

colors: {
  custom: {
    50: '#595b79',
    500: '#172145',
    950: '#000000',
  },
}

SCSS

$custom: #172145;
$custom-light: #595b79;
$custom-dark: #000000;

JSON

{
  "hex": "#172145",
  "rgb": {
    "r": 23,
    "g": 33,
    "b": 69
  },
  "hsl": {
    "h": 226.957,
    "s": 50,
    "l": 18.039
  },
  "oklch": {
    "l": 0.26031,
    "c": 0.06868,
    "h": 269.5
  },
  "luminance": 0.017
}

Semantic roles & 50–950 ramp

primary

#172145

secondary

#7C6E3C

accent

#BB4EDA

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#040409

muted

#79797B

Preview Lab

Preview with #172145

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

Preview Lab → · Contrast checker → · Palette generator →