#181546#181546

#181546 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.5% C 0.089 H 279.8°. Best body text is #FFFFFF at 17.01:1 contrast (WCAG AA passes).

Color values

HEX	#181546
RGB	rgb(24, 21, 70)
HSL	hsl(244, 54%, 18%)
HSV	hsv(244, 70%, 27%)
CMYK	cmyk(65.7%, 70%, 0%, 72.5%)
CIE-LAB	lab(10.35, 18.44, -30.36)
CIE-LCH	lch(10.35, 35.52, 301.27°)
OKLab	oklab(23.48% 0.0151 -0.0873)
OKLCH	oklch(23.48% 0.089 279.8)
XYZ	xyz(1.7500, 1.1726, 5.9273)
Luminance	0.0117 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181546 #434615

analogous

#152B46 #181546 #301546

triadic

#181546 #461815 #154618

tetradic

#181546 #46152B #434615 #154630

square

#181546 #46152B #434615 #154630

split-complementary

#181546 #463015 #2B4615

monochromatic

#080718 #080718 #181546 #282375 #3831A4

Accessibility & contrast

On white

17.01

#181546 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#181546 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181546

17.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181546	#FFFFFF	#000000	##FFFFFF
##181546	1.00	17.01	1.23	17.01
#FFFFFF	17.01	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E48

Deuteranopia (green-blind)

#001A45

Tritanopia (blue-blind)

#00212B

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #181546;
/* rgb */ color: rgb(24, 21, 70);
/* oklch */ color: oklch(23.5% 0.089 279.8);

Tailwind

colors: {
  custom: {
    50: '#5b527a',
    500: '#181546',
    950: '#000000',
  },
}

SCSS

$custom: #181546;
$custom-light: #5b527a;
$custom-dark: #000000;

JSON

{
  "hex": "#181546",
  "rgb": {
    "r": 24,
    "g": 21,
    "b": 70
  },
  "hsl": {
    "h": 243.673,
    "s": 53.846,
    "l": 17.843
  },
  "oklch": {
    "l": 0.23482,
    "c": 0.08861,
    "h": 279.8
  },
  "luminance": 0.01173
}

Semantic roles & 50–950 ramp

primary

#181546

secondary

#7A7E39

accent

#DD4BD4

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040209

muted

#79787B

Preview Lab

Preview with #181546

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

Preview Lab → · Contrast checker → · Palette generator →