#181359#181359

#181359 is a dark, moderate blue. Relative luminance 0.014; OKLCH L 25.2% C 0.119 H 276.7°. Best body text is #FFFFFF at 16.46:1 contrast (WCAG AA passes).

Color values

HEX	#181359
RGB	rgb(24, 19, 89)
HSL	hsl(244, 65%, 21%)
HSV	hsv(244, 79%, 35%)
CMYK	cmyk(73%, 78.7%, 0%, 65.1%)
CIE-LAB	lab(11.83, 26.97, -41.00)
CIE-LCH	lch(11.83, 49.08, 303.34°)
OKLab	oklab(25.15% 0.0139 -0.1184)
OKLCH	oklch(25.15% 0.119 276.7)
XYZ	xyz(2.4121, 1.3810, 9.5887)
Luminance	0.0138 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181359 #545913

analogous

#133159 #181359 #3B1359

triadic

#181359 #591813 #135918

tetradic

#181359 #591331 #545913 #13593B

square

#181359 #591331 #545913 #13593B

split-complementary

#181359 #593B13 #315913

monochromatic

#070519 #0A0827 #181359 #261E8B #3329BE

Accessibility & contrast

On white

16.46

#181359 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#181359 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181359

16.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181359	#FFFFFF	#000000	##FFFFFF
##181359	1.00	16.46	1.28	16.46
#FFFFFF	16.46	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00225B

Deuteranopia (green-blind)

#001C58

Tritanopia (blue-blind)

#002734

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #181359;
/* rgb */ color: rgb(24, 19, 89);
/* oklch */ color: oklch(25.2% 0.119 276.7);

Tailwind

colors: {
  custom: {
    50: '#605289',
    500: '#181359',
    950: '#000000',
  },
}

SCSS

$custom: #181359;
$custom-light: #605289;
$custom-dark: #000000;

JSON

{
  "hex": "#181359",
  "rgb": {
    "r": 24,
    "g": 19,
    "b": 89
  },
  "hsl": {
    "h": 244.286,
    "s": 64.815,
    "l": 21.176
  },
  "oklch": {
    "l": 0.25152,
    "c": 0.11926,
    "h": 276.7
  },
  "luminance": 0.01381
}

Semantic roles & 50–950 ramp

primary

#181359

secondary

#8B9137

accent

#E840DC

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05020B

muted

#7A787C

Preview Lab

Preview with #181359

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

Preview Lab → · Contrast checker → · Palette generator →