#181736#181736

#181736 is a very dark, muted blue. Relative luminance 0.011; OKLCH L 22.5% C 0.059 H 282.0°. Best body text is #FFFFFF at 17.29:1 contrast (WCAG AA passes).

Color values

HEX	#181736
RGB	rgb(24, 23, 54)
HSL	hsl(242, 40%, 15%)
HSV	hsv(242, 57%, 21%)
CMYK	cmyk(55.6%, 57.4%, 0%, 78.8%)
CIE-LAB	lab(9.59, 10.76, -20.23)
CIE-LCH	lch(9.59, 22.91, 298.01°)
OKLab	oklab(22.48% 0.0123 -0.0575)
OKLCH	oklch(22.48% 0.059 282)
XYZ	xyz(1.3487, 1.0733, 3.6254)
Luminance	0.0107 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.89

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181736 #353617

analogous

#172636 #181736 #271736

triadic

#181736 #361817 #173618

tetradic

#181736 #361726 #353617 #173627

square

#181736 #361726 #353617 #173627

split-complementary

#181736 #362717 #263617

monochromatic

#0A0915 #0A0915 #181736 #2B2961 #3E3C8C

Accessibility & contrast

On white

17.29

#181736 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#181736 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181736

17.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181736	#FFFFFF	#000000	##FFFFFF
##181736	1.00	17.29	1.21	17.29
#FFFFFF	17.29	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#091C37

Deuteranopia (green-blind)

#081A35

Tritanopia (blue-blind)

#0E1E23

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #181736;
/* rgb */ color: rgb(24, 23, 54);
/* oklch */ color: oklch(22.5% 0.059 282.0);

Tailwind

colors: {
  custom: {
    50: '#57536d',
    500: '#181736',
    950: '#000000',
  },
}

SCSS

$custom: #181736;
$custom-light: #57536d;
$custom-dark: #000000;

JSON

{
  "hex": "#181736",
  "rgb": {
    "r": 24,
    "g": 23,
    "b": 54
  },
  "hsl": {
    "h": 241.935,
    "s": 40.26,
    "l": 15.098
  },
  "oklch": {
    "l": 0.22483,
    "c": 0.05878,
    "h": 282
  },
  "luminance": 0.01073
}

Semantic roles & 50–950 ramp

primary

#181736

secondary

#6B6C3D

accent

#D058CC

background

#F5F4F6

surface

#E9E7EB

border

#C5C3C6

text

#030207

muted

#78787A

Preview Lab

Preview with #181736

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

Preview Lab → · Contrast checker → · Palette generator →