#181680#181680

#181680 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.2% C 0.167 H 271.2°. Best body text is #FFFFFF at 14.33:1 contrast (WCAG AA passes).

Color values

HEX	#181680
RGB	rgb(24, 22, 128)
HSL	hsl(241, 71%, 29%)
HSV	hsv(241, 83%, 50%)
CMYK	cmyk(81.3%, 82.8%, 0%, 49.8%)
CIE-LAB	lab(17.11, 38.94, -57.77)
CIE-LCH	lch(17.11, 69.67, 303.98°)
OKLab	oklab(30.24% 0.0034 -0.1672)
OKLCH	oklch(30.24% 0.167 271.2)
XYZ	xyz(4.5586, 2.3260, 20.6266)
Luminance	0.0233 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181680 #7E8016

analogous

#164980 #181680 #4D1680

triadic

#181680 #801816 #168018

tetradic

#181680 #801649 #7E8016 #16804D

square

#181680 #801649 #7E8016 #16804D

split-complementary

#181680 #804D16 #498016

monochromatic

#05041A #0E0D4C #181680 #221FB4 #3734DC

Accessibility & contrast

On white

14.33

#181680 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#181680 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181680

14.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181680	#FFFFFF	#000000	##FFFFFF
##181680	1.00	14.33	1.47	14.33
#FFFFFF	14.33	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F83

Deuteranopia (green-blind)

#00257E

Tritanopia (blue-blind)

#00374B

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #181680;
/* rgb */ color: rgb(24, 22, 128);
/* oklch */ color: oklch(30.2% 0.167 271.2);

Tailwind

colors: {
  custom: {
    50: '#6a56a6',
    500: '#181680',
    950: '#000000',
  },
}

SCSS

$custom: #181680;
$custom-light: #6a56a6;
$custom-dark: #000000;

JSON

{
  "hex": "#181680",
  "rgb": {
    "r": 24,
    "g": 22,
    "b": 128
  },
  "hsl": {
    "h": 241.132,
    "s": 70.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.30239,
    "c": 0.16727,
    "h": 271.2
  },
  "luminance": 0.02327
}

Semantic roles & 50–950 ramp

primary

#181680

secondary

#B2B53D

accent

#ED3AEA

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #181680

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

Preview Lab → · Contrast checker → · Palette generator →