#172273#172273

#172273 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.6% C 0.138 H 269.7°. Best body text is #FFFFFF at 13.88:1 contrast (WCAG AA passes).

Color values

HEX	#172273
RGB	rgb(23, 34, 115)
HSL	hsl(233, 67%, 27%)
HSV	hsv(233, 80%, 45%)
CMYK	cmyk(80%, 70.4%, 0%, 54.9%)
CIE-LAB	lab(18.20, 26.76, -47.65)
CIE-LCH	lch(18.20, 54.65, 299.32°)
OKLab	oklab(30.57% -0.0007 -0.1379)
OKLCH	oklch(30.57% 0.138 269.7)
XYZ	xyz(4.0188, 2.5636, 16.4993)
Luminance	0.0256 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172273 #736817

analogous

#175073 #172273 #3A1773

triadic

#172273 #731722 #227317

tetradic

#172273 #731750 #736817 #17733A

square

#172273 #731750 #736817 #17733A

split-complementary

#172273 #733A17 #507317

monochromatic

#05081A #0D1340 #172273 #2131A6 #2F43D5

Accessibility & contrast

On white

13.88

#172273 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#172273 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172273

13.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172273	#FFFFFF	#000000	##FFFFFF
##172273	1.00	13.88	1.51	13.88
#FFFFFF	13.88	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003176

Deuteranopia (green-blind)

#002871

Tritanopia (blue-blind)

#003847

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #172273;
/* rgb */ color: rgb(23, 34, 115);
/* oklch */ color: oklch(30.6% 0.138 269.7);

Tailwind

colors: {
  custom: {
    50: '#655d9c',
    500: '#172273',
    950: '#000000',
  },
}

SCSS

$custom: #172273;
$custom-light: #655d9c;
$custom-dark: #000000;

JSON

{
  "hex": "#172273",
  "rgb": {
    "r": 23,
    "g": 34,
    "b": 115
  },
  "hsl": {
    "h": 232.826,
    "s": 66.667,
    "l": 27.059
  },
  "oklch": {
    "l": 0.30565,
    "c": 0.13792,
    "h": 269.7
  },
  "luminance": 0.02564
}

Semantic roles & 50–950 ramp

primary

#172273

secondary

#A99C3D

accent

#D53EEA

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #172273

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

Preview Lab → · Contrast checker → · Palette generator →