#181955#181955

#181955 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.8% C 0.106 H 275.3°. Best body text is #FFFFFF at 16.04:1 contrast (WCAG AA passes).

Color values

HEX	#181955
RGB	rgb(24, 25, 85)
HSL	hsl(239, 56%, 21%)
HSV	hsv(239, 72%, 33%)
CMYK	cmyk(71.8%, 70.6%, 0%, 66.7%)
CIE-LAB	lab(12.89, 21.41, -36.55)
CIE-LCH	lch(12.89, 42.35, 300.36°)
OKLab	oklab(25.79% 0.0098 -0.1054)
OKLCH	oklch(25.79% 0.106 275.3)
XYZ	xyz(2.3635, 1.5451, 8.7663)
Luminance	0.0155 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181955 #555418

analogous

#183855 #181955 #361855

triadic

#181955 #551819 #195518

tetradic

#181955 #551838 #555418 #185536

square

#181955 #551838 #555418 #185536

split-complementary

#181955 #553618 #385518

monochromatic

#070718 #0B0B25 #181955 #252785 #3335B4

Accessibility & contrast

On white

16.04

#181955 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#181955 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181955

16.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181955	#FFFFFF	#000000	##FFFFFF
##181955	1.00	16.04	1.31	16.04
#FFFFFF	16.04	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002457

Deuteranopia (green-blind)

#001F54

Tritanopia (blue-blind)

#002934

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #181955;
/* rgb */ color: rgb(24, 25, 85);
/* oklch */ color: oklch(25.8% 0.106 275.3);

Tailwind

colors: {
  custom: {
    50: '#5e5686',
    500: '#181955',
    950: '#000000',
  },
}

SCSS

$custom: #181955;
$custom-light: #5e5686;
$custom-dark: #000000;

JSON

{
  "hex": "#181955",
  "rgb": {
    "r": 24,
    "g": 25,
    "b": 85
  },
  "hsl": {
    "h": 239.016,
    "s": 55.963,
    "l": 21.373
  },
  "oklch": {
    "l": 0.25787,
    "c": 0.1059,
    "h": 275.3
  },
  "luminance": 0.01545
}

Semantic roles & 50–950 ramp

primary

#181955

secondary

#8C8A3D

accent

#DD49DF

background

#F5F5F8

surface

#EAE9EF

border

#C6C5CA

text

#05030B

muted

#79787C

Preview Lab

Preview with #181955

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

Preview Lab → · Contrast checker → · Palette generator →