#181173#181173

#181173 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 28.0% C 0.155 H 273.0°. Best body text is #FFFFFF at 15.37:1 contrast (WCAG AA passes).

Color values

HEX	#181173
RGB	rgb(24, 17, 115)
HSL	hsl(244, 74%, 26%)
HSV	hsv(244, 85%, 45%)
CMYK	cmyk(79.1%, 85.2%, 0%, 54.9%)
CIE-LAB	lab(14.58, 37.19, -53.63)
CIE-LCH	lch(14.58, 65.26, 304.73°)
OKLab	oklab(28.01% 0.0082 -0.1551)
OKLCH	oklch(28.01% 0.155 273)
XYZ	xyz(3.6706, 1.8325, 16.3766)
Luminance	0.0183 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181173 #6C7311

analogous

#113B73 #181173 #491173

triadic

#181173 #731811 #117318

tetradic

#181173 #73113B #6C7311 #117349

square

#181173 #73113B #6C7311 #117349

split-complementary

#181173 #734911 #3B7311

monochromatic

#06041B #0D093E #181173 #2319A8 #2E21DE

Accessibility & contrast

On white

15.37

#181173 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#181173 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181173

15.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181173	#FFFFFF	#000000	##FFFFFF
##181173	1.00	15.37	1.37	15.37
#FFFFFF	15.37	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002976

Deuteranopia (green-blind)

#002071

Tritanopia (blue-blind)

#003043

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #181173;
/* rgb */ color: rgb(24, 17, 115);
/* oklch */ color: oklch(28.0% 0.155 273.0);

Tailwind

colors: {
  custom: {
    50: '#67529c',
    500: '#181173',
    950: '#000000',
  },
}

SCSS

$custom: #181173;
$custom-light: #67529c;
$custom-dark: #000000;

JSON

{
  "hex": "#181173",
  "rgb": {
    "r": 24,
    "g": 17,
    "b": 115
  },
  "hsl": {
    "h": 244.286,
    "s": 74.242,
    "l": 25.882
  },
  "oklch": {
    "l": 0.28006,
    "c": 0.15537,
    "h": 273
  },
  "luminance": 0.01833
}

Semantic roles & 50–950 ramp

primary

#181173

secondary

#A2AA36

accent

#F137E4

background

#F6F4F9

surface

#ECE7F2

border

#C7C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #181173

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

Preview Lab → · Contrast checker → · Palette generator →