#183360#183360

#183360 is a dark, moderate blue. Relative luminance 0.034; OKLCH L 32.6% C 0.086 H 260.0°. Best body text is #FFFFFF at 12.49:1 contrast (WCAG AA passes).

Color values

HEX	#183360
RGB	rgb(24, 51, 96)
HSL	hsl(218, 60%, 24%)
HSV	hsv(218, 75%, 38%)
CMYK	cmyk(75%, 46.9%, 0%, 62.4%)
CIE-LAB	lab(21.60, 6.94, -29.79)
CIE-LCH	lch(21.60, 30.58, 283.11°)
OKLab	oklab(32.63% -0.015 -0.0852)
OKLCH	oklch(32.63% 0.086 260)
XYZ	xyz(3.6711, 3.4060, 11.5280)
Luminance	0.0341 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183360 #604518

analogous

#185760 #183360 #211860

triadic

#183360 #601833 #336018

tetradic

#183360 #601857 #604518 #186021

square

#183360 #601857 #604518 #186021

split-complementary

#183360 #602118 #576018

monochromatic

#060D18 #0C192F #183360 #244D91 #3067C2

Accessibility & contrast

On white

12.49

#183360 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#183360 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183360

12.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183360	#FFFFFF	#000000	##FFFFFF
##183360	1.00	12.49	1.68	12.49
#FFFFFF	12.49	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D3762

Deuteranopia (green-blind)

#10315F

Tritanopia (blue-blind)

#003D44

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #183360;
/* rgb */ color: rgb(24, 51, 96);
/* oklch */ color: oklch(32.6% 0.086 260.0);

Tailwind

colors: {
  custom: {
    50: '#5f6a8d',
    500: '#183360',
    950: '#000000',
  },
}

SCSS

$custom: #183360;
$custom-light: #5f6a8d;
$custom-dark: #000000;

JSON

{
  "hex": "#183360",
  "rgb": {
    "r": 24,
    "g": 51,
    "b": 96
  },
  "hsl": {
    "h": 217.5,
    "s": 60,
    "l": 23.529
  },
  "oklch": {
    "l": 0.3263,
    "c": 0.08649,
    "h": 260
  },
  "luminance": 0.03406
}

Semantic roles & 50–950 ramp

primary

#183360

secondary

#96753D

accent

#A845E3

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #183360

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

Preview Lab → · Contrast checker → · Palette generator →