#181534#181534

#181534 is a very dark, muted blue. Relative luminance 0.010; OKLCH L 21.9% C 0.059 H 284.8°. Best body text is #FFFFFF at 17.56:1 contrast (WCAG AA passes).

Color values

HEX	#181534
RGB	rgb(24, 21, 52)
HSL	hsl(246, 42%, 14%)
HSV	hsv(246, 60%, 20%)
CMYK	cmyk(53.8%, 59.6%, 0%, 79.6%)
CIE-LAB	lab(8.81, 11.54, -20.02)
CIE-LCH	lch(8.81, 23.11, 299.95°)
OKLab	oklab(21.85% 0.0151 -0.0569)
OKLCH	oklch(21.85% 0.059 284.8)
XYZ	xyz(1.2645, 0.9784, 3.3704)
Luminance	0.0098 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.74

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181534 #313415

analogous

#152234 #181534 #281534

triadic

#181534 #341815 #153418

tetradic

#181534 #341522 #313415 #153428

square

#181534 #341522 #313415 #153428

split-complementary

#181534 #342815 #223415

monochromatic

#0A0916 #0A0916 #181534 #2C2760 #40388B

Accessibility & contrast

On white

17.56

#181534 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#181534 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181534

17.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181534	#FFFFFF	#000000	##FFFFFF
##181534	1.00	17.56	1.20	17.56
#FFFFFF	17.56	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#071A35

Deuteranopia (green-blind)

#071833

Tritanopia (blue-blind)

#0F1C22

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #181534;
/* rgb */ color: rgb(24, 21, 52);
/* oklch */ color: oklch(21.9% 0.059 284.8);

Tailwind

colors: {
  custom: {
    50: '#57526b',
    500: '#181534',
    950: '#000000',
  },
}

SCSS

$custom: #181534;
$custom-light: #57526b;
$custom-dark: #000000;

JSON

{
  "hex": "#181534",
  "rgb": {
    "r": 24,
    "g": 21,
    "b": 52
  },
  "hsl": {
    "h": 245.806,
    "s": 42.466,
    "l": 14.314
  },
  "oklch": {
    "l": 0.21851,
    "c": 0.05886,
    "h": 284.8
  },
  "luminance": 0.00978
}

Semantic roles & 50–950 ramp

primary

#181534

secondary

#666B3A

accent

#D256C6

background

#F5F4F6

surface

#E9E7EB

border

#C5C3C6

text

#030207

muted

#78787A

Preview Lab

Preview with #181534

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

Preview Lab → · Contrast checker → · Palette generator →