#181256#181256

#181256 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.6% C 0.116 H 277.5°. Best body text is #FFFFFF at 16.67:1 contrast (WCAG AA passes).

Color values

HEX	#181256
RGB	rgb(24, 18, 86)
HSL	hsl(245, 65%, 20%)
HSV	hsv(245, 79%, 34%)
CMYK	cmyk(72.1%, 79.1%, 0%, 66.3%)
CIE-LAB	lab(11.27, 26.52, -39.90)
CIE-LCH	lch(11.27, 47.90, 303.61°)
OKLab	oklab(24.65% 0.0152 -0.1152)
OKLCH	oklch(24.65% 0.116 277.5)
XYZ	xyz(2.2722, 1.2985, 8.9332)
Luminance	0.0130 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181256 #505612

analogous

#122E56 #181256 #3A1256

triadic

#181256 #561812 #125618

tetradic

#181256 #56122E #505612 #12563A

square

#181256 #56122E #505612 #12563A

split-complementary

#181256 #563A12 #2E5612

monochromatic

#070519 #0A0723 #181256 #261D89 #3427BB

Accessibility & contrast

On white

16.67

#181256 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#181256 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181256

16.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181256	#FFFFFF	#000000	##FFFFFF
##181256	1.00	16.67	1.26	16.67
#FFFFFF	16.67	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002158

Deuteranopia (green-blind)

#001B55

Tritanopia (blue-blind)

#002533

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #181256;
/* rgb */ color: rgb(24, 18, 86);
/* oklch */ color: oklch(24.6% 0.116 277.5);

Tailwind

colors: {
  custom: {
    50: '#5f5186',
    500: '#181256',
    950: '#000000',
  },
}

SCSS

$custom: #181256;
$custom-light: #5f5186;
$custom-dark: #000000;

JSON

{
  "hex": "#181256",
  "rgb": {
    "r": 24,
    "g": 18,
    "b": 86
  },
  "hsl": {
    "h": 245.294,
    "s": 65.385,
    "l": 20.392
  },
  "oklch": {
    "l": 0.24648,
    "c": 0.11623,
    "h": 277.5
  },
  "luminance": 0.01299
}

Semantic roles & 50–950 ramp

primary

#181256

secondary

#878F35

accent

#E83FD9

background

#F5F4F8

surface

#EAE7EF

border

#C6C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #181256

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

Preview Lab → · Contrast checker → · Palette generator →