#18327E#18327E

#18327E is a dark, vivid blue. Relative luminance 0.040; OKLCH L 34.9% C 0.133 H 265.5°. Best body text is #FFFFFF at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#18327E
RGB	rgb(24, 50, 126)
HSL	hsl(225, 68%, 29%)
HSV	hsv(225, 81%, 49%)
CMYK	cmyk(81%, 60.3%, 0%, 50.6%)
CIE-LAB	lab(23.61, 20.08, -45.82)
CIE-LCH	lch(23.61, 50.03, 293.66°)
OKLab	oklab(34.89% -0.0105 -0.1324)
OKLCH	oklch(34.89% 0.133 265.5)
XYZ	xyz(5.2819, 3.9811, 20.2247)
Luminance	0.0398 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18327E #7E6418

analogous

#18657E #18327E #31187E

triadic

#18327E #7E1832 #327E18

tetradic

#18327E #7E1865 #7E6418 #187E31

square

#18327E #7E1865 #7E6418 #187E31

split-complementary

#18327E #7E3118 #657E18

monochromatic

#050A1A #0E1E4B #18327E #2246B1 #3761D9

Accessibility & contrast

On white

11.69

#18327E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#18327E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18327E

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18327E	#FFFFFF	#000000	##FFFFFF
##18327E	1.00	11.69	1.80	11.69
#FFFFFF	11.69	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D81

Deuteranopia (green-blind)

#00347D

Tritanopia (blue-blind)

#004553

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #18327e;
/* rgb */ color: rgb(24, 50, 126);
/* oklch */ color: oklch(34.9% 0.133 265.5);

Tailwind

colors: {
  custom: {
    50: '#6769a4',
    500: '#18327e',
    950: '#000000',
  },
}

SCSS

$custom: #18327e;
$custom-light: #6769a4;
$custom-dark: #000000;

JSON

{
  "hex": "#18327e",
  "rgb": {
    "r": 24,
    "g": 50,
    "b": 126
  },
  "hsl": {
    "h": 224.706,
    "s": 68,
    "l": 29.412
  },
  "oklch": {
    "l": 0.34889,
    "c": 0.13277,
    "h": 265.5
  },
  "luminance": 0.03982
}

Semantic roles & 50–950 ramp

primary

#18327E

secondary

#B2953F

accent

#BF3DEB

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #18327E

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

Preview Lab → · Contrast checker → · Palette generator →