#181355#181355

#181355 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.7% C 0.114 H 277.4°. Best body text is #FFFFFF at 16.62:1 contrast (WCAG AA passes).

Color values

HEX	#181355
RGB	rgb(24, 19, 85)
HSL	hsl(245, 63%, 20%)
HSV	hsv(245, 78%, 33%)
CMYK	cmyk(71.8%, 77.6%, 0%, 66.7%)
CIE-LAB	lab(11.38, 25.50, -39.02)
CIE-LCH	lch(11.38, 46.62, 303.17°)
OKLab	oklab(24.7% 0.0147 -0.1127)
OKLCH	oklch(24.7% 0.114 277.4)
XYZ	xyz(2.2487, 1.3156, 8.7280)
Luminance	0.0132 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181355 #505513

analogous

#132F55 #181355 #391355

triadic

#181355 #551813 #135518

tetradic

#181355 #55132F #505513 #135539

square

#181355 #55132F #505513 #135539

split-complementary

#181355 #553913 #2F5513

monochromatic

#070619 #0A0823 #181355 #261E87 #3429B9

Accessibility & contrast

On white

16.62

#181355 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#181355 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181355

16.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181355	#FFFFFF	#000000	##FFFFFF
##181355	1.00	16.62	1.26	16.62
#FFFFFF	16.62	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002157

Deuteranopia (green-blind)

#001B54

Tritanopia (blue-blind)

#002532

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #181355;
/* rgb */ color: rgb(24, 19, 85);
/* oklch */ color: oklch(24.7% 0.114 277.4);

Tailwind

colors: {
  custom: {
    50: '#5f5186',
    500: '#181355',
    950: '#000000',
  },
}

SCSS

$custom: #181355;
$custom-light: #5f5186;
$custom-dark: #000000;

JSON

{
  "hex": "#181355",
  "rgb": {
    "r": 24,
    "g": 19,
    "b": 85
  },
  "hsl": {
    "h": 244.545,
    "s": 63.462,
    "l": 20.392
  },
  "oklch": {
    "l": 0.24699,
    "c": 0.11364,
    "h": 277.4
  },
  "luminance": 0.01316
}

Semantic roles & 50–950 ramp

primary

#181355

secondary

#878D36

accent

#E641DA

background

#F5F4F8

surface

#EAE7EF

border

#C6C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #181355

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

Preview Lab → · Contrast checker → · Palette generator →