#18368E#18368E

#18368E is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.2% C 0.150 H 265.2°. Best body text is #FFFFFF at 10.73:1 contrast (WCAG AA passes).

Color values

HEX	#18368E
RGB	rgb(24, 54, 142)
HSL	hsl(225, 71%, 33%)
HSV	hsv(225, 83%, 56%)
CMYK	cmyk(83.1%, 62%, 0%, 44.3%)
CIE-LAB	lab(26.11, 23.75, -51.73)
CIE-LCH	lch(26.11, 56.92, 294.66°)
OKLab	oklab(37.19% -0.0126 -0.1496)
OKLCH	oklch(37.19% 0.15 265.2)
XYZ	xyz(6.5766, 4.7847, 26.1629)
Luminance	0.0479 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18368E #8E7018

analogous

#18718E #18368E #35188E

triadic

#18368E #8E1836 #368E18

tetradic

#18368E #8E1871 #8E7018 #188E35

square

#18368E #8E1871 #8E7018 #188E35

split-complementary

#18368E #8E3518 #718E18

monochromatic

#060E25 #0F225A #18368E #214AC2 #4169DF

Accessibility & contrast

On white

10.73

#18368E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#18368E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18368E

10.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18368E	#FFFFFF	#000000	##FFFFFF
##18368E	1.00	10.73	1.96	10.73
#FFFFFF	10.73	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004391

Deuteranopia (green-blind)

#00388C

Tritanopia (blue-blind)

#004D5C

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #18368e;
/* rgb */ color: rgb(24, 54, 142);
/* oklch */ color: oklch(37.2% 0.150 265.2);

Tailwind

colors: {
  custom: {
    50: '#6b6cb0',
    500: '#18368e',
    950: '#000000',
  },
}

SCSS

$custom: #18368e;
$custom-light: #6b6cb0;
$custom-dark: #000000;

JSON

{
  "hex": "#18368e",
  "rgb": {
    "r": 24,
    "g": 54,
    "b": 142
  },
  "hsl": {
    "h": 224.746,
    "s": 71.084,
    "l": 32.549
  },
  "oklch": {
    "l": 0.37192,
    "c": 0.15016,
    "h": 265.2
  },
  "luminance": 0.04786
}

Semantic roles & 50–950 ramp

primary

#18368E

secondary

#C0A042

accent

#C03AEE

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080711

muted

#7B7A80

Preview Lab

Preview with #18368E

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

Preview Lab → · Contrast checker → · Palette generator →