#181966#181966

#181966 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.6% C 0.130 H 273.3°. Best body text is #FFFFFF at 15.33:1 contrast (WCAG AA passes).

Color values

HEX	#181966
RGB	rgb(24, 25, 102)
HSL	hsl(239, 62%, 25%)
HSV	hsv(239, 76%, 40%)
CMYK	cmyk(76.5%, 75.5%, 0%, 60%)
CIE-LAB	lab(14.67, 27.92, -44.99)
CIE-LCH	lch(14.67, 52.95, 301.83°)
OKLab	oklab(27.61% 0.0075 -0.1301)
OKLCH	oklch(27.61% 0.13 273.3)
XYZ	xyz(3.1218, 1.8484, 12.7601)
Luminance	0.0185 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181966 #666518

analogous

#184066 #181966 #3E1866

triadic

#181966 #661819 #196618

tetradic

#181966 #661840 #666518 #18663E

square

#181966 #661840 #666518 #18663E

split-complementary

#181966 #663E18 #406618

monochromatic

#060619 #0C0D34 #181966 #242598 #2F31C9

Accessibility & contrast

On white

15.33

#181966 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#181966 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181966

15.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181966	#FFFFFF	#000000	##FFFFFF
##181966	1.00	15.33	1.37	15.33
#FFFFFF	15.33	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002968

Deuteranopia (green-blind)

#002165

Tritanopia (blue-blind)

#002F3D

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #181966;
/* rgb */ color: rgb(24, 25, 102);
/* oklch */ color: oklch(27.6% 0.130 273.3);

Tailwind

colors: {
  custom: {
    50: '#635693',
    500: '#181966',
    950: '#000000',
  },
}

SCSS

$custom: #181966;
$custom-light: #635693;
$custom-dark: #000000;

JSON

{
  "hex": "#181966",
  "rgb": {
    "r": 24,
    "g": 25,
    "b": 102
  },
  "hsl": {
    "h": 239.231,
    "s": 61.905,
    "l": 24.706
  },
  "oklch": {
    "l": 0.27613,
    "c": 0.13034,
    "h": 273.3
  },
  "luminance": 0.01849
}

Semantic roles & 50–950 ramp

primary

#181966

secondary

#9C9B3E

accent

#E343E5

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #181966

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

Preview Lab → · Contrast checker → · Palette generator →