#18368D#18368D

#18368D is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.1% C 0.149 H 265.1°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#18368D
RGB	rgb(24, 54, 141)
HSL	hsl(225, 71%, 32%)
HSV	hsv(225, 83%, 55%)
CMYK	cmyk(83%, 61.7%, 0%, 44.7%)
CIE-LAB	lab(26.02, 23.35, -51.26)
CIE-LCH	lch(26.02, 56.32, 294.49°)
OKLab	oklab(37.1% -0.0127 -0.1482)
OKLCH	oklch(37.1% 0.149 265.1)
XYZ	xyz(6.5019, 4.7548, 25.7692)
Luminance	0.0476 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18368D #8D6F18

analogous

#18718D #18368D #34188D

triadic

#18368D #8D1836 #368D18

tetradic

#18368D #8D1871 #8D6F18 #188D34

square

#18368D #8D1871 #8D6F18 #188D34

split-complementary

#18368D #8D3418 #718D18

monochromatic

#060E24 #0F2259 #18368D #214AC1 #4169DF

Accessibility & contrast

On white

10.76

#18368D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#18368D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18368D

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18368D	#FFFFFF	#000000	##FFFFFF
##18368D	1.00	10.76	1.95	10.76
#FFFFFF	10.76	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004390

Deuteranopia (green-blind)

#00388B

Tritanopia (blue-blind)

#004C5C

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #18368d;
/* rgb */ color: rgb(24, 54, 141);
/* oklch */ color: oklch(37.1% 0.149 265.1);

Tailwind

colors: {
  custom: {
    50: '#6b6caf',
    500: '#18368d',
    950: '#000000',
  },
}

SCSS

$custom: #18368d;
$custom-light: #6b6caf;
$custom-dark: #000000;

JSON

{
  "hex": "#18368d",
  "rgb": {
    "r": 24,
    "g": 54,
    "b": 141
  },
  "hsl": {
    "h": 224.615,
    "s": 70.909,
    "l": 32.353
  },
  "oklch": {
    "l": 0.37099,
    "c": 0.14878,
    "h": 265.1
  },
  "luminance": 0.04756
}

Semantic roles & 50–950 ramp

primary

#18368D

secondary

#BF9F42

accent

#C03AEE

background

#F6F6FA

surface

#ECEBF5

border

#C7C6CF

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #18368D

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

Preview Lab → · Contrast checker → · Palette generator →