#172172#172172

#172172 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.3% C 0.138 H 270.0°. Best body text is #FFFFFF at 14.03:1 contrast (WCAG AA passes).

Color values

HEX	#172172
RGB	rgb(23, 33, 114)
HSL	hsl(233, 66%, 27%)
HSV	hsv(233, 80%, 45%)
CMYK	cmyk(79.8%, 71.1%, 0%, 55.3%)
CIE-LAB	lab(17.85, 27.05, -47.60)
CIE-LCH	lch(17.85, 54.75, 299.61°)
OKLab	oklab(30.28% -0.0001 -0.1377)
OKLCH	oklch(30.28% 0.138 270)
XYZ	xyz(3.9334, 2.4843, 16.1885)
Luminance	0.0249 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172172 #726817

analogous

#174F72 #172172 #3B1772

triadic

#172172 #721721 #217217

tetradic

#172172 #72174F #726817 #17723B

square

#172172 #72174F #726817 #17723B

split-complementary

#172172 #723B17 #4F7217

monochromatic

#050719 #0D123F #172172 #2130A5 #2E41D5

Accessibility & contrast

On white

14.03

#172172 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#172172 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172172

14.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172172	#FFFFFF	#000000	##FFFFFF
##172172	1.00	14.03	1.50	14.03
#FFFFFF	14.03	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003074

Deuteranopia (green-blind)

#002771

Tritanopia (blue-blind)

#003746

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #172172;
/* rgb */ color: rgb(23, 33, 114);
/* oklch */ color: oklch(30.3% 0.138 270.0);

Tailwind

colors: {
  custom: {
    50: '#655c9b',
    500: '#172172',
    950: '#000000',
  },
}

SCSS

$custom: #172172;
$custom-light: #655c9b;
$custom-dark: #000000;

JSON

{
  "hex": "#172172",
  "rgb": {
    "r": 23,
    "g": 33,
    "b": 114
  },
  "hsl": {
    "h": 233.407,
    "s": 66.423,
    "l": 26.863
  },
  "oklch": {
    "l": 0.30275,
    "c": 0.13775,
    "h": 270
  },
  "luminance": 0.02485
}

Semantic roles & 50–950 ramp

primary

#172172

secondary

#A89C3D

accent

#D73EE9

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #172172

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

Preview Lab → · Contrast checker → · Palette generator →