#18368A#18368A

#18368A is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.8% C 0.145 H 264.9°. Best body text is #FFFFFF at 10.86:1 contrast (WCAG AA passes).

Color values

HEX	#18368A
RGB	rgb(24, 54, 138)
HSL	hsl(224, 70%, 32%)
HSV	hsv(224, 83%, 54%)
CMYK	cmyk(82.6%, 60.9%, 0%, 45.9%)
CIE-LAB	lab(25.76, 22.14, -49.82)
CIE-LCH	lch(25.76, 54.52, 293.96°)
OKLab	oklab(36.82% -0.0127 -0.144)
OKLCH	oklch(36.82% 0.145 264.9)
XYZ	xyz(6.2817, 4.6668, 24.6095)
Luminance	0.0467 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18368A #8A6C18

analogous

#186F8A #18368A #33188A

triadic

#18368A #8A1836 #368A18

tetradic

#18368A #8A186F #8A6C18 #188A33

square

#18368A #8A186F #8A6C18 #188A33

split-complementary

#18368A #8A3318 #6F8A18

monochromatic

#060D22 #0F2256 #18368A #214ABE #3F69DE

Accessibility & contrast

On white

10.86

#18368A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#18368A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18368A

10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18368A	#FFFFFF	#000000	##FFFFFF
##18368A	1.00	10.86	1.93	10.86
#FFFFFF	10.86	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428D

Deuteranopia (green-blind)

#003888

Tritanopia (blue-blind)

#004B5A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #18368a;
/* rgb */ color: rgb(24, 54, 138);
/* oklch */ color: oklch(36.8% 0.145 264.9);

Tailwind

colors: {
  custom: {
    50: '#6a6cad',
    500: '#18368a',
    950: '#000000',
  },
}

SCSS

$custom: #18368a;
$custom-light: #6a6cad;
$custom-dark: #000000;

JSON

{
  "hex": "#18368a",
  "rgb": {
    "r": 24,
    "g": 54,
    "b": 138
  },
  "hsl": {
    "h": 224.211,
    "s": 70.37,
    "l": 31.765
  },
  "oklch": {
    "l": 0.36823,
    "c": 0.14459,
    "h": 264.9
  },
  "luminance": 0.04668
}

Semantic roles & 50–950 ramp

primary

#18368A

secondary

#BD9D40

accent

#BE3BED

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #18368A

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

Preview Lab → · Contrast checker → · Palette generator →