#18348D#18348D

#18348D is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.7% C 0.151 H 265.7°. Best body text is #FFFFFF at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#18348D
RGB	rgb(24, 52, 141)
HSL	hsl(226, 71%, 32%)
HSV	hsv(226, 83%, 55%)
CMYK	cmyk(83%, 63.1%, 0%, 44.7%)
CIE-LAB	lab(25.48, 24.73, -52.15)
CIE-LCH	lch(25.48, 57.71, 295.38°)
OKLab	oklab(36.69% -0.0114 -0.1509)
OKLCH	oklch(36.69% 0.151 265.7)
XYZ	xyz(6.4107, 4.5725, 25.7388)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18348D #8D7118

analogous

#186F8D #18348D #37188D

triadic

#18348D #8D1834 #348D18

tetradic

#18348D #8D186F #8D7118 #188D37

square

#18348D #8D186F #8D7118 #188D37

split-complementary

#18348D #8D3718 #6F8D18

monochromatic

#060D24 #0F2159 #18348D #2147C1 #4167DF

Accessibility & contrast

On white

10.97

#18348D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#18348D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18348D

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18348D	#FFFFFF	#000000	##FFFFFF
##18348D	1.00	10.97	1.91	10.97
#FFFFFF	10.97	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004290

Deuteranopia (green-blind)

#00378B

Tritanopia (blue-blind)

#004B5B

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #18348d;
/* rgb */ color: rgb(24, 52, 141);
/* oklch */ color: oklch(36.7% 0.151 265.7);

Tailwind

colors: {
  custom: {
    50: '#6b6baf',
    500: '#18348d',
    950: '#000000',
  },
}

SCSS

$custom: #18348d;
$custom-light: #6b6baf;
$custom-dark: #000000;

JSON

{
  "hex": "#18348d",
  "rgb": {
    "r": 24,
    "g": 52,
    "b": 141
  },
  "hsl": {
    "h": 225.641,
    "s": 70.909,
    "l": 32.353
  },
  "oklch": {
    "l": 0.36694,
    "c": 0.15131,
    "h": 265.7
  },
  "luminance": 0.04573
}

Semantic roles & 50–950 ramp

primary

#18348D

secondary

#BFA142

accent

#C33AEE

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #18348D

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

Preview Lab → · Contrast checker → · Palette generator →