#181963#181963

#181963 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.3% C 0.126 H 273.6°. Best body text is #FFFFFF at 15.46:1 contrast (WCAG AA passes).

Color values

HEX	#181963
RGB	rgb(24, 25, 99)
HSL	hsl(239, 61%, 24%)
HSV	hsv(239, 76%, 39%)
CMYK	cmyk(75.8%, 74.7%, 0%, 61.2%)
CIE-LAB	lab(14.34, 26.79, -43.55)
CIE-LCH	lch(14.34, 51.13, 301.60°)
OKLab	oklab(27.28% 0.008 -0.1259)
OKLCH	oklch(27.28% 0.126 273.6)
XYZ	xyz(2.9757, 1.7900, 11.9906)
Luminance	0.0179 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181963 #636218

analogous

#183F63 #181963 #3D1863

triadic

#181963 #631819 #196318

tetradic

#181963 #63183F #636218 #18633D

square

#181963 #63183F #636218 #18633D

split-complementary

#181963 #633D18 #3F6318

monochromatic

#060619 #0C0D32 #181963 #242594 #3032C6

Accessibility & contrast

On white

15.46

#181963 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#181963 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181963

15.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181963	#FFFFFF	#000000	##FFFFFF
##181963	1.00	15.46	1.36	15.46
#FFFFFF	15.46	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002865

Deuteranopia (green-blind)

#002162

Tritanopia (blue-blind)

#002D3C

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #181963;
/* rgb */ color: rgb(24, 25, 99);
/* oklch */ color: oklch(27.3% 0.126 273.6);

Tailwind

colors: {
  custom: {
    50: '#625690',
    500: '#181963',
    950: '#000000',
  },
}

SCSS

$custom: #181963;
$custom-light: #625690;
$custom-dark: #000000;

JSON

{
  "hex": "#181963",
  "rgb": {
    "r": 24,
    "g": 25,
    "b": 99
  },
  "hsl": {
    "h": 239.2,
    "s": 60.976,
    "l": 24.118
  },
  "oklch": {
    "l": 0.2728,
    "c": 0.12617,
    "h": 273.6
  },
  "luminance": 0.0179
}

Semantic roles & 50–950 ramp

primary

#181963

secondary

#99983E

accent

#E244E4

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030D

muted

#7A787D

Preview Lab

Preview with #181963

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

Preview Lab → · Contrast checker → · Palette generator →