#18199E#18199E

#18199E is a dark, highly saturated blue. Relative luminance 0.034; OKLCH L 34.3% C 0.201 H 268.9°. Best body text is #FFFFFF at 12.56:1 contrast (WCAG AA passes).

Color values

HEX	#18199E
RGB	rgb(24, 25, 158)
HSL	hsl(240, 74%, 36%)
HSV	hsv(240, 85%, 62%)
CMYK	cmyk(84.8%, 84.2%, 0%, 38%)
CIE-LAB	lab(21.42, 47.22, -69.31)
CIE-LCH	lch(21.42, 83.87, 304.26°)
OKLab	oklab(34.32% -0.0038 -0.2007)
OKLCH	oklch(34.32% 0.201 268.9)
XYZ	xyz(6.8938, 3.3572, 32.6258)
Luminance	0.0336 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18199E #9E9D18

analogous

#185C9E #18199E #5A189E

triadic

#18199E #9E1819 #199E18

tetradic

#18199E #9E185C #9E9D18 #189E5A

square

#18199E #9E185C #9E9D18 #189E5A

split-complementary

#18199E #9E5A18 #5C9E18

monochromatic

#080834 #101169 #18199E #2021D3 #4D4EE4

Accessibility & contrast

On white

12.56

#18199E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#18199E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18199E

12.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18199E	#FFFFFF	#000000	##FFFFFF
##18199E	1.00	12.56	1.67	12.56
#FFFFFF	12.56	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003AA2

Deuteranopia (green-blind)

#002C9C

Tritanopia (blue-blind)

#00455D

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #18199e;
/* rgb */ color: rgb(24, 25, 158);
/* oklch */ color: oklch(34.3% 0.201 268.9);

Tailwind

colors: {
  custom: {
    50: '#725abc',
    500: '#18199e',
    950: '#000000',
  },
}

SCSS

$custom: #18199e;
$custom-light: #725abc;
$custom-dark: #000000;

JSON

{
  "hex": "#18199e",
  "rgb": {
    "r": 24,
    "g": 25,
    "b": 158
  },
  "hsl": {
    "h": 239.552,
    "s": 73.626,
    "l": 35.686
  },
  "oklch": {
    "l": 0.3432,
    "c": 0.20072,
    "h": 268.9
  },
  "luminance": 0.03358
}

Semantic roles & 50–950 ramp

primary

#18199E

secondary

#C6C54C

accent

#EF38F0

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #18199E

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

Preview Lab → · Contrast checker → · Palette generator →