#181663#181663

#181663 is a dark, vivid blue. Relative luminance 0.017; OKLCH L 26.8% C 0.130 H 274.3°. Best body text is #FFFFFF at 15.74:1 contrast (WCAG AA passes).

Color values

HEX	#181663
RGB	rgb(24, 22, 99)
HSL	hsl(242, 64%, 24%)
HSV	hsv(242, 78%, 39%)
CMYK	cmyk(75.8%, 77.8%, 0%, 61.2%)
CIE-LAB	lab(13.64, 28.74, -44.70)
CIE-LCH	lch(13.64, 53.15, 302.74°)
OKLab	oklab(26.78% 0.0098 -0.1293)
OKLCH	oklch(26.78% 0.13 274.3)
XYZ	xyz(2.9150, 1.6686, 11.9704)
Luminance	0.0167 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181663 #616316

analogous

#163A63 #181663 #3E1663

triadic

#181663 #631816 #166318

tetradic

#181663 #63163A #616316 #16633E

square

#181663 #63163A #616316 #16633E

split-complementary

#181663 #633E16 #3A6316

monochromatic

#060619 #0C0B31 #181663 #242195 #302CC7

Accessibility & contrast

On white

15.74

#181663 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#181663 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181663

15.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181663	#FFFFFF	#000000	##FFFFFF
##181663	1.00	15.74	1.33	15.74
#FFFFFF	15.74	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002665

Deuteranopia (green-blind)

#001F62

Tritanopia (blue-blind)

#002C3B

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #181663;
/* rgb */ color: rgb(24, 22, 99);
/* oklch */ color: oklch(26.8% 0.130 274.3);

Tailwind

colors: {
  custom: {
    50: '#625490',
    500: '#181663',
    950: '#000000',
  },
}

SCSS

$custom: #181663;
$custom-light: #625490;
$custom-dark: #000000;

JSON

{
  "hex": "#181663",
  "rgb": {
    "r": 24,
    "g": 22,
    "b": 99
  },
  "hsl": {
    "h": 241.558,
    "s": 63.636,
    "l": 23.725
  },
  "oklch": {
    "l": 0.26778,
    "c": 0.12965,
    "h": 274.3
  },
  "luminance": 0.01669
}

Semantic roles & 50–950 ramp

primary

#181663

secondary

#979A3B

accent

#E741E2

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06030D

muted

#7A787D

Preview Lab

Preview with #181663

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

Preview Lab → · Contrast checker → · Palette generator →