#181660#181660

#181660 is a dark, vivid blue. Relative luminance 0.016; OKLCH L 26.4% C 0.126 H 274.8°. Best body text is #FFFFFF at 15.88:1 contrast (WCAG AA passes).

Color values

HEX	#181660
RGB	rgb(24, 22, 96)
HSL	hsl(242, 63%, 23%)
HSV	hsv(242, 77%, 38%)
CMYK	cmyk(75%, 77.1%, 0%, 62.4%)
CIE-LAB	lab(13.30, 27.63, -43.26)
CIE-LCH	lch(13.30, 51.34, 302.57°)
OKLab	oklab(26.44% 0.0104 -0.1251)
OKLCH	oklch(26.44% 0.126 274.8)
XYZ	xyz(2.7742, 1.6123, 11.2291)
Luminance	0.0161 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181660 #5E6016

analogous

#163960 #181660 #3D1660

triadic

#181660 #601816 #166018

tetradic

#181660 #601639 #5E6016 #16603D

square

#181660 #601639 #5E6016 #16603D

split-complementary

#181660 #603D16 #396016

monochromatic

#060619 #0C0B2E #181660 #242192 #312DC4

Accessibility & contrast

On white

15.88

#181660 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#181660 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181660

15.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181660	#FFFFFF	#000000	##FFFFFF
##181660	1.00	15.88	1.32	15.88
#FFFFFF	15.88	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002662

Deuteranopia (green-blind)

#001F5F

Tritanopia (blue-blind)

#002B39

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #181660;
/* rgb */ color: rgb(24, 22, 96);
/* oklch */ color: oklch(26.4% 0.126 274.8);

Tailwind

colors: {
  custom: {
    50: '#61548e',
    500: '#181660',
    950: '#000000',
  },
}

SCSS

$custom: #181660;
$custom-light: #61548e;
$custom-dark: #000000;

JSON

{
  "hex": "#181660",
  "rgb": {
    "r": 24,
    "g": 22,
    "b": 96
  },
  "hsl": {
    "h": 241.622,
    "s": 62.712,
    "l": 23.137
  },
  "oklch": {
    "l": 0.26437,
    "c": 0.12551,
    "h": 274.8
  },
  "luminance": 0.01613
}

Semantic roles & 50–950 ramp

primary

#181660

secondary

#94973B

accent

#E642E1

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #181660

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

Preview Lab → · Contrast checker → · Palette generator →