#181655#181655

#181655 is a dark, moderate blue. Relative luminance 0.014; OKLCH L 25.2% C 0.110 H 276.5°. Best body text is #FFFFFF at 16.34:1 contrast (WCAG AA passes).

Color values

HEX	#181655
RGB	rgb(24, 22, 85)
HSL	hsl(242, 59%, 21%)
HSV	hsv(242, 74%, 33%)
CMYK	cmyk(71.8%, 74.1%, 0%, 66.7%)
CIE-LAB	lab(12.11, 23.50, -37.82)
CIE-LCH	lch(12.11, 44.53, 301.85°)
OKLab	oklab(25.22% 0.0124 -0.1092)
OKLCH	oklch(25.22% 0.11 276.5)
XYZ	xyz(2.3028, 1.4237, 8.7460)
Luminance	0.0142 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181655 #535516

analogous

#163355 #181655 #371655

triadic

#181655 #551816 #165518

tetradic

#181655 #551633 #535516 #165537

square

#181655 #551633 #535516 #165537

split-complementary

#181655 #553716 #335516

monochromatic

#070618 #0A0924 #181655 #262386 #332FB6

Accessibility & contrast

On white

16.34

#181655 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#181655 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181655

16.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181655	#FFFFFF	#000000	##FFFFFF
##181655	1.00	16.34	1.28	16.34
#FFFFFF	16.34	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002257

Deuteranopia (green-blind)

#001D54

Tritanopia (blue-blind)

#002733

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #181655;
/* rgb */ color: rgb(24, 22, 85);
/* oklch */ color: oklch(25.2% 0.110 276.5);

Tailwind

colors: {
  custom: {
    50: '#5f5386',
    500: '#181655',
    950: '#000000',
  },
}

SCSS

$custom: #181655;
$custom-light: #5f5386;
$custom-dark: #000000;

JSON

{
  "hex": "#181655",
  "rgb": {
    "r": 24,
    "g": 22,
    "b": 85
  },
  "hsl": {
    "h": 241.905,
    "s": 58.879,
    "l": 20.98
  },
  "oklch": {
    "l": 0.25223,
    "c": 0.10988,
    "h": 276.5
  },
  "luminance": 0.01424
}

Semantic roles & 50–950 ramp

primary

#181655

secondary

#8A8C3A

accent

#E246DD

background

#F5F4F8

surface

#EAE7EF

border

#C6C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #181655

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

Preview Lab → · Contrast checker → · Palette generator →