#18358D#18358D

#18358D is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.9% C 0.150 H 265.4°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#18358D
RGB	rgb(24, 53, 141)
HSL	hsl(225, 71%, 32%)
HSV	hsv(225, 83%, 55%)
CMYK	cmyk(83%, 62.4%, 0%, 44.7%)
CIE-LAB	lab(25.75, 24.04, -51.70)
CIE-LCH	lch(25.75, 57.02, 294.94°)
OKLab	oklab(36.9% -0.012 -0.1496)
OKLCH	oklch(36.9% 0.15 265.4)
XYZ	xyz(6.4558, 4.6627, 25.7539)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18358D #8D7018

analogous

#18708D #18358D #35188D

triadic

#18358D #8D1835 #358D18

tetradic

#18358D #8D1870 #8D7018 #188D35

square

#18358D #8D1870 #8D7018 #188D35

split-complementary

#18358D #8D3518 #708D18

monochromatic

#060E24 #0F2159 #18358D #2149C1 #4168DF

Accessibility & contrast

On white

10.87

#18358D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#18358D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18358D

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18358D	#FFFFFF	#000000	##FFFFFF
##18358D	1.00	10.87	1.93	10.87
#FFFFFF	10.87	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004390

Deuteranopia (green-blind)

#00388B

Tritanopia (blue-blind)

#004C5B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #18358d;
/* rgb */ color: rgb(24, 53, 141);
/* oklch */ color: oklch(36.9% 0.150 265.4);

Tailwind

colors: {
  custom: {
    50: '#6b6baf',
    500: '#18358d',
    950: '#000000',
  },
}

SCSS

$custom: #18358d;
$custom-light: #6b6baf;
$custom-dark: #000000;

JSON

{
  "hex": "#18358d",
  "rgb": {
    "r": 24,
    "g": 53,
    "b": 141
  },
  "hsl": {
    "h": 225.128,
    "s": 70.909,
    "l": 32.353
  },
  "oklch": {
    "l": 0.36895,
    "c": 0.15004,
    "h": 265.4
  },
  "luminance": 0.04663
}

Semantic roles & 50–950 ramp

primary

#18358D

secondary

#BFA042

accent

#C13AEE

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #18358D

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

Preview Lab → · Contrast checker → · Palette generator →