#181459#181459

#181459 is a dark, moderate blue. Relative luminance 0.014; OKLCH L 25.3% C 0.118 H 276.4°. Best body text is #FFFFFF at 16.37:1 contrast (WCAG AA passes).

Color values

HEX	#181459
RGB	rgb(24, 20, 89)
HSL	hsl(243, 63%, 21%)
HSV	hsv(243, 78%, 35%)
CMYK	cmyk(73%, 77.5%, 0%, 65.1%)
CIE-LAB	lab(12.06, 26.33, -40.62)
CIE-LCH	lch(12.06, 48.41, 302.95°)
OKLab	oklab(25.32% 0.0132 -0.1173)
OKLCH	oklch(25.32% 0.118 276.4)
XYZ	xyz(2.4294, 1.4156, 9.5945)
Luminance	0.0142 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181459 #555914

analogous

#143359 #181459 #3B1459

triadic

#181459 #591814 #145918

tetradic

#181459 #591433 #555914 #14593B

square

#181459 #591433 #555914 #14593B

split-complementary

#181459 #593B14 #335914

monochromatic

#070619 #0B0927 #181459 #251F8B #332ABD

Accessibility & contrast

On white

16.37

#181459 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#181459 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181459

16.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181459	#FFFFFF	#000000	##FFFFFF
##181459	1.00	16.37	1.28	16.37
#FFFFFF	16.37	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00235B

Deuteranopia (green-blind)

#001D58

Tritanopia (blue-blind)

#002735

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #181459;
/* rgb */ color: rgb(24, 20, 89);
/* oklch */ color: oklch(25.3% 0.118 276.4);

Tailwind

colors: {
  custom: {
    50: '#605289',
    500: '#181459',
    950: '#000000',
  },
}

SCSS

$custom: #181459;
$custom-light: #605289;
$custom-dark: #000000;

JSON

{
  "hex": "#181459",
  "rgb": {
    "r": 24,
    "g": 20,
    "b": 89
  },
  "hsl": {
    "h": 243.478,
    "s": 63.303,
    "l": 21.373
  },
  "oklch": {
    "l": 0.25315,
    "c": 0.11809,
    "h": 276.4
  },
  "luminance": 0.01416
}

Semantic roles & 50–950 ramp

primary

#181459

secondary

#8C9138

accent

#E641DD

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05020B

muted

#7A787C

Preview Lab

Preview with #181459

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

Preview Lab → · Contrast checker → · Palette generator →