#18347F#18347F

#18347F is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.4% C 0.132 H 264.8°. Best body text is #FFFFFF at 11.44:1 contrast (WCAG AA passes).

Color values

HEX	#18347F
RGB	rgb(24, 52, 127)
HSL	hsl(224, 68%, 30%)
HSV	hsv(224, 81%, 50%)
CMYK	cmyk(81.1%, 59.1%, 0%, 50.2%)
CIE-LAB	lab(24.26, 19.07, -45.39)
CIE-LCH	lch(24.26, 49.23, 292.79°)
OKLab	oklab(35.41% -0.0119 -0.131)
OKLCH	oklch(35.41% 0.132 264.8)
XYZ	xyz(5.4341, 4.1819, 20.5953)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18347F #7F6318

analogous

#18687F #18347F #2F187F

triadic

#18347F #7F1834 #347F18

tetradic

#18347F #7F1868 #7F6318 #187F2F

square

#18347F #7F1868 #7F6318 #187F2F

split-complementary

#18347F #7F2F18 #687F18

monochromatic

#050B1A #0E1F4C #18347F #2249B2 #3864D9

Accessibility & contrast

On white

11.44

#18347F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#18347F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18347F

11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18347F	#FFFFFF	#000000	##FFFFFF
##18347F	1.00	11.44	1.84	11.44
#FFFFFF	11.44	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F82

Deuteranopia (green-blind)

#00357E

Tritanopia (blue-blind)

#004754

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #18347f;
/* rgb */ color: rgb(24, 52, 127);
/* oklch */ color: oklch(35.4% 0.132 264.8);

Tailwind

colors: {
  custom: {
    50: '#676ba5',
    500: '#18347f',
    950: '#000000',
  },
}

SCSS

$custom: #18347f;
$custom-light: #676ba5;
$custom-dark: #000000;

JSON

{
  "hex": "#18347f",
  "rgb": {
    "r": 24,
    "g": 52,
    "b": 127
  },
  "hsl": {
    "h": 223.689,
    "s": 68.212,
    "l": 29.608
  },
  "oklch": {
    "l": 0.35406,
    "c": 0.13158,
    "h": 264.8
  },
  "luminance": 0.04182
}

Semantic roles & 50–950 ramp

primary

#18347F

secondary

#B3943F

accent

#BC3DEB

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #18347F

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

Preview Lab → · Contrast checker → · Palette generator →