#18198E#18198E

#18198E is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.3% C 0.182 H 269.9°. Best body text is #FFFFFF at 13.39:1 contrast (WCAG AA passes).

Color values

HEX	#18198E
RGB	rgb(24, 25, 142)
HSL	hsl(239, 71%, 33%)
HSV	hsv(239, 83%, 56%)
CMYK	cmyk(83.1%, 82.4%, 0%, 44.3%)
CIE-LAB	lab(19.40, 42.04, -62.79)
CIE-LCH	lch(19.40, 75.56, 303.80°)
OKLab	oklab(32.34% -0.0004 -0.1818)
OKLCH	oklch(32.34% 0.182 269.9)
XYZ	xyz(5.6051, 2.8418, 25.8390)
Luminance	0.0284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18198E #8E8D18

analogous

#18548E #18198E #52188E

triadic

#18198E #8E1819 #198E18

tetradic

#18198E #8E1854 #8E8D18 #188E52

square

#18198E #8E1854 #8E8D18 #188E52

split-complementary

#18198E #8E5218 #548E18

monochromatic

#060725 #0F105A #18198E #2122C2 #4143DF

Accessibility & contrast

On white

13.39

#18198E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#18198E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18198E

13.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18198E	#FFFFFF	#000000	##FFFFFF
##18198E	1.00	13.39	1.57	13.39
#FFFFFF	13.39	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003591

Deuteranopia (green-blind)

#00298C

Tritanopia (blue-blind)

#003E54

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #18198e;
/* rgb */ color: rgb(24, 25, 142);
/* oklch */ color: oklch(32.3% 0.182 269.9);

Tailwind

colors: {
  custom: {
    50: '#6e59b0',
    500: '#18198e',
    950: '#000000',
  },
}

SCSS

$custom: #18198e;
$custom-light: #6e59b0;
$custom-dark: #000000;

JSON

{
  "hex": "#18198e",
  "rgb": {
    "r": 24,
    "g": 25,
    "b": 142
  },
  "hsl": {
    "h": 239.492,
    "s": 71.084,
    "l": 32.549
  },
  "oklch": {
    "l": 0.32337,
    "c": 0.18182,
    "h": 269.9
  },
  "luminance": 0.02842
}

Semantic roles & 50–950 ramp

primary

#18198E

secondary

#C0BF42

accent

#EC3AEE

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #18198E

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

Preview Lab → · Contrast checker → · Palette generator →