#18198F#18198F

#18198F is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.5% C 0.183 H 269.8°. Best body text is #FFFFFF at 13.34:1 contrast (WCAG AA passes).

Color values

HEX	#18198F
RGB	rgb(24, 25, 143)
HSL	hsl(239, 71%, 33%)
HSV	hsv(239, 83%, 56%)
CMYK	cmyk(83.2%, 82.5%, 0%, 43.9%)
CIE-LAB	lab(19.52, 42.37, -63.21)
CIE-LCH	lch(19.52, 76.09, 303.83°)
OKLab	oklab(32.46% -0.0006 -0.183)
OKLCH	oklch(32.46% 0.183 269.8)
XYZ	xyz(5.6806, 2.8720, 26.2362)
Luminance	0.0287 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18198F #8F8E18

analogous

#18548F #18198F #53188F

triadic

#18198F #8F1819 #198F18

tetradic

#18198F #8F1854 #8F8E18 #188F53

square

#18198F #8F1854 #8F8E18 #188F53

split-complementary

#18198F #8F5318 #548F18

monochromatic

#060726 #0F105B #18198F #2122C3 #4243DF

Accessibility & contrast

On white

13.34

#18198F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#18198F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18198F

13.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18198F	#FFFFFF	#000000	##FFFFFF
##18198F	1.00	13.34	1.57	13.34
#FFFFFF	13.34	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003592

Deuteranopia (green-blind)

#00298D

Tritanopia (blue-blind)

#003E55

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #18198f;
/* rgb */ color: rgb(24, 25, 143);
/* oklch */ color: oklch(32.5% 0.183 269.8);

Tailwind

colors: {
  custom: {
    50: '#6e59b1',
    500: '#18198f',
    950: '#000000',
  },
}

SCSS

$custom: #18198f;
$custom-light: #6e59b1;
$custom-dark: #000000;

JSON

{
  "hex": "#18198f",
  "rgb": {
    "r": 24,
    "g": 25,
    "b": 143
  },
  "hsl": {
    "h": 239.496,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.3246,
    "c": 0.18303,
    "h": 269.8
  },
  "luminance": 0.02873
}

Semantic roles & 50–950 ramp

primary

#18198F

secondary

#C0BF43

accent

#EC3AEE

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #18198F

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

Preview Lab → · Contrast checker → · Palette generator →