#181653#181653

#181653 is a dark, moderate blue. Relative luminance 0.014; OKLCH L 25.0% C 0.107 H 276.8°. Best body text is #FFFFFF at 16.42:1 contrast (WCAG AA passes).

Color values

HEX	#181653
RGB	rgb(24, 22, 83)
HSL	hsl(242, 58%, 21%)
HSV	hsv(242, 73%, 33%)
CMYK	cmyk(71.1%, 73.5%, 0%, 67.5%)
CIE-LAB	lab(11.91, 22.73, -36.80)
CIE-LCH	lch(11.91, 43.25, 301.70°)
OKLab	oklab(25.01% 0.0127 -0.1062)
OKLCH	oklch(25.01% 0.107 276.8)
XYZ	xyz(2.2244, 1.3924, 8.3335)
Luminance	0.0139 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181653 #515316

analogous

#163253 #181653 #361653

triadic

#181653 #531816 #165318

tetradic

#181653 #531632 #515316 #165336

square

#181653 #531632 #515316 #165336

split-complementary

#181653 #533616 #325316

monochromatic

#070618 #0A0923 #181653 #262383 #3430B4

Accessibility & contrast

On white

16.42

#181653 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#181653 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181653

16.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181653	#FFFFFF	#000000	##FFFFFF
##181653	1.00	16.42	1.28	16.42
#FFFFFF	16.42	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002255

Deuteranopia (green-blind)

#001D52

Tritanopia (blue-blind)

#002632

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #181653;
/* rgb */ color: rgb(24, 22, 83);
/* oklch */ color: oklch(25.0% 0.107 276.8);

Tailwind

colors: {
  custom: {
    50: '#5e5384',
    500: '#181653',
    950: '#000000',
  },
}

SCSS

$custom: #181653;
$custom-light: #5e5384;
$custom-dark: #000000;

JSON

{
  "hex": "#181653",
  "rgb": {
    "r": 24,
    "g": 22,
    "b": 83
  },
  "hsl": {
    "h": 241.967,
    "s": 58.095,
    "l": 20.588
  },
  "oklch": {
    "l": 0.25009,
    "c": 0.10694,
    "h": 276.8
  },
  "luminance": 0.01393
}

Semantic roles & 50–950 ramp

primary

#181653

secondary

#888A3A

accent

#E146DC

background

#F5F4F8

surface

#EAE7EF

border

#C6C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #181653

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

Preview Lab → · Contrast checker → · Palette generator →