#181056#181056

#181056 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 24.3% C 0.119 H 278.0°. Best body text is #FFFFFF at 16.84:1 contrast (WCAG AA passes).

Color values

HEX	#181056
RGB	rgb(24, 16, 86)
HSL	hsl(247, 69%, 20%)
HSV	hsv(247, 81%, 34%)
CMYK	cmyk(72.1%, 81.4%, 0%, 66.3%)
CIE-LAB	lab(10.82, 27.76, -40.62)
CIE-LCH	lch(10.82, 49.20, 304.34°)
OKLab	oklab(24.34% 0.0166 -0.1173)
OKLCH	oklch(24.34% 0.119 278)
XYZ	xyz(2.2412, 1.2365, 8.9229)
Luminance	0.0124 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181056 #4E5610

analogous

#102B56 #181056 #3B1056

triadic

#181056 #561810 #105618

tetradic

#181056 #56102B #4E5610 #10563B

square

#181056 #56102B #4E5610 #10563B

split-complementary

#181056 #563B10 #2B5610

monochromatic

#07051A #0A0622 #181056 #261A8A #3523BD

Accessibility & contrast

On white

16.84

#181056 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#181056 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181056

16.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181056	#FFFFFF	#000000	##FFFFFF
##181056	1.00	16.84	1.25	16.84
#FFFFFF	16.84	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002058

Deuteranopia (green-blind)

#001A55

Tritanopia (blue-blind)

#002432

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #181056;
/* rgb */ color: rgb(24, 16, 86);
/* oklch */ color: oklch(24.3% 0.119 278.0);

Tailwind

colors: {
  custom: {
    50: '#5f4f86',
    500: '#181056',
    950: '#000000',
  },
}

SCSS

$custom: #181056;
$custom-light: #5f4f86;
$custom-dark: #000000;

JSON

{
  "hex": "#181056",
  "rgb": {
    "r": 24,
    "g": 16,
    "b": 86
  },
  "hsl": {
    "h": 246.857,
    "s": 68.627,
    "l": 20
  },
  "oklch": {
    "l": 0.24336,
    "c": 0.11851,
    "h": 278
  },
  "luminance": 0.01237
}

Semantic roles & 50–950 ramp

primary

#181056

secondary

#858F32

accent

#EB3CD7

background

#F6F4F8

surface

#EBE7EF

border

#C6C3CA

text

#05020B

muted

#7A787C

Preview Lab

Preview with #181056

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

Preview Lab → · Contrast checker → · Palette generator →