#183560#183560

#183560 is a dark, moderate blue. Relative luminance 0.036; OKLCH L 33.1% C 0.084 H 258.2°. Best body text is #FFFFFF at 12.23:1 contrast (WCAG AA passes).

Color values

HEX	#183560
RGB	rgb(24, 53, 96)
HSL	hsl(216, 60%, 24%)
HSV	hsv(216, 75%, 38%)
CMYK	cmyk(75%, 44.8%, 0%, 62.4%)
CIE-LAB	lab(22.25, 5.51, -28.75)
CIE-LCH	lch(22.25, 29.28, 280.85°)
OKLab	oklab(33.13% -0.0171 -0.0821)
OKLCH	oklch(33.13% 0.084 258.2)
XYZ	xyz(3.7603, 3.5845, 11.5578)
Luminance	0.0358 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183560 #604318

analogous

#185960 #183560 #1F1860

triadic

#183560 #601835 #356018

tetradic

#183560 #601859 #604318 #18601F

square

#183560 #601859 #604318 #18601F

split-complementary

#183560 #601F18 #596018

monochromatic

#060E18 #0C1A2F #183560 #245091 #306BC2

Accessibility & contrast

On white

12.23

#183560 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#183560 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183560

12.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183560	#FFFFFF	#000000	##FFFFFF
##183560	1.00	12.23	1.72	12.23
#FFFFFF	12.23	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#213962

Deuteranopia (green-blind)

#15325F

Tritanopia (blue-blind)

#003F45

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #183560;
/* rgb */ color: rgb(24, 53, 96);
/* oklch */ color: oklch(33.1% 0.084 258.2);

Tailwind

colors: {
  custom: {
    50: '#5f6b8d',
    500: '#183560',
    950: '#000000',
  },
}

SCSS

$custom: #183560;
$custom-light: #5f6b8d;
$custom-dark: #000000;

JSON

{
  "hex": "#183560",
  "rgb": {
    "r": 24,
    "g": 53,
    "b": 96
  },
  "hsl": {
    "h": 215.833,
    "s": 60,
    "l": 23.529
  },
  "oklch": {
    "l": 0.33129,
    "c": 0.08387,
    "h": 258.2
  },
  "luminance": 0.03585
}

Semantic roles & 50–950 ramp

primary

#183560

secondary

#96733D

accent

#A345E3

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #183560

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

Preview Lab → · Contrast checker → · Palette generator →