#172161#172161

#172161 is a dark, moderate blue. Relative luminance 0.021; OKLCH L 28.5% C 0.113 H 270.5°. Best body text is #FFFFFF at 14.72:1 contrast (WCAG AA passes).

Color values

HEX	#172161
RGB	rgb(23, 33, 97)
HSL	hsl(232, 62%, 24%)
HSV	hsv(232, 76%, 38%)
CMYK	cmyk(76.3%, 66%, 0%, 62%)
CIE-LAB	lab(16.17, 20.30, -39.23)
CIE-LCH	lch(16.17, 44.18, 297.36°)
OKLab	oklab(28.53% 0.0011 -0.1133)
OKLCH	oklch(28.53% 0.113 270.5)
XYZ	xyz(3.0541, 2.1326, 11.5576)
Luminance	0.0213 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172161 #615717

analogous

#174661 #172161 #321761

triadic

#172161 #611721 #216117

tetradic

#172161 #611746 #615717 #176132

square

#172161 #611746 #615717 #176132

split-complementary

#172161 #613217 #466117

monochromatic

#060819 #0B1030 #172161 #233292 #2E43C4

Accessibility & contrast

On white

14.72

#172161 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#172161 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172161

14.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172161	#FFFFFF	#000000	##FFFFFF
##172161	1.00	14.72	1.43	14.72
#FFFFFF	14.72	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C63

Deuteranopia (green-blind)

#002560

Tritanopia (blue-blind)

#00313D

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #172161;
/* rgb */ color: rgb(23, 33, 97);
/* oklch */ color: oklch(28.5% 0.113 270.5);

Tailwind

colors: {
  custom: {
    50: '#605c8f',
    500: '#172161',
    950: '#000000',
  },
}

SCSS

$custom: #172161;
$custom-light: #605c8f;
$custom-dark: #000000;

JSON

{
  "hex": "#172161",
  "rgb": {
    "r": 23,
    "g": 33,
    "b": 97
  },
  "hsl": {
    "h": 231.892,
    "s": 61.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.28531,
    "c": 0.11329,
    "h": 270.5
  },
  "luminance": 0.02133
}

Semantic roles & 50–950 ramp

primary

#172161

secondary

#988B3C

accent

#CF43E5

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05040C

muted

#7A797D

Preview Lab

Preview with #172161

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

Preview Lab → · Contrast checker → · Palette generator →