#181699#181699

#181699 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.4% C 0.197 H 269.3°. Best body text is #FFFFFF at 13.01:1 contrast (WCAG AA passes).

Color values

HEX	#181699
RGB	rgb(24, 22, 153)
HSL	hsl(241, 75%, 34%)
HSV	hsv(241, 86%, 60%)
CMYK	cmyk(84.3%, 85.6%, 0%, 40%)
CIE-LAB	lab(20.31, 47.02, -68.09)
CIE-LCH	lch(20.31, 82.75, 304.63°)
OKLab	oklab(33.37% -0.0023 -0.1971)
OKLCH	oklch(33.37% 0.197 269.3)
XYZ	xyz(6.4114, 3.0671, 30.3849)
Luminance	0.0307 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181699 #979916

analogous

#165699 #181699 #5A1699

triadic

#181699 #991816 #169918

tetradic

#181699 #991656 #979916 #16995A

square

#181699 #991656 #979916 #16995A

split-complementary

#181699 #995A16 #569916

monochromatic

#07072E #100E63 #181699 #201ECF #4845E4

Accessibility & contrast

On white

13.01

#181699 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#181699 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181699

13.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181699	#FFFFFF	#000000	##FFFFFF
##181699	1.00	13.01	1.61	13.01
#FFFFFF	13.01	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00389C

Deuteranopia (green-blind)

#002A97

Tritanopia (blue-blind)

#00425A

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #181699;
/* rgb */ color: rgb(24, 22, 153);
/* oklch */ color: oklch(33.4% 0.197 269.3);

Tailwind

colors: {
  custom: {
    50: '#7158b9',
    500: '#181699',
    950: '#000000',
  },
}

SCSS

$custom: #181699;
$custom-light: #7158b9;
$custom-dark: #000000;

JSON

{
  "hex": "#181699",
  "rgb": {
    "r": 24,
    "g": 22,
    "b": 153
  },
  "hsl": {
    "h": 240.916,
    "s": 74.857,
    "l": 34.314
  },
  "oklch": {
    "l": 0.33369,
    "c": 0.1971,
    "h": 269.3
  },
  "luminance": 0.03068
}

Semantic roles & 50–950 ramp

primary

#181699

secondary

#C3C546

accent

#F136EF

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090412

muted

#7B7981

Preview Lab

Preview with #181699

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

Preview Lab → · Contrast checker → · Palette generator →