#181E6D#181E6D

#181E6D is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.3% C 0.134 H 271.5°. Best body text is #FFFFFF at 14.53:1 contrast (WCAG AA passes).

Color values

HEX	#181E6D
RGB	rgb(24, 30, 109)
HSL	hsl(236, 64%, 26%)
HSV	hsv(236, 78%, 43%)
CMYK	cmyk(78%, 72.5%, 0%, 57.3%)
CIE-LAB	lab(16.63, 27.26, -46.35)
CIE-LCH	lch(16.63, 53.77, 300.46°)
OKLab	oklab(29.25% 0.0034 -0.1341)
OKLCH	oklch(29.25% 0.134 271.5)
XYZ	xyz(3.6003, 2.2265, 14.7050)
Luminance	0.0223 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181E6D #6D6718

analogous

#18486D #181E6D #3C186D

triadic

#181E6D #6D181E #1E6D18

tetradic

#181E6D #6D1848 #6D6718 #186D3C

square

#181E6D #6D1848 #6D6718 #186D3C

split-complementary

#181E6D #6D3C18 #486D18

monochromatic

#060719 #0D103B #181E6D #232C9F #2E3AD1

Accessibility & contrast

On white

14.53

#181E6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#181E6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181E6D

14.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181E6D	#FFFFFF	#000000	##FFFFFF
##181E6D	1.00	14.53	1.45	14.53
#FFFFFF	14.53	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D6F

Deuteranopia (green-blind)

#00256C

Tritanopia (blue-blind)

#003443

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #181e6d;
/* rgb */ color: rgb(24, 30, 109);
/* oklch */ color: oklch(29.3% 0.134 271.5);

Tailwind

colors: {
  custom: {
    50: '#645a98',
    500: '#181e6d',
    950: '#000000',
  },
}

SCSS

$custom: #181e6d;
$custom-light: #645a98;
$custom-dark: #000000;

JSON

{
  "hex": "#181e6d",
  "rgb": {
    "r": 24,
    "g": 30,
    "b": 109
  },
  "hsl": {
    "h": 235.765,
    "s": 63.91,
    "l": 26.078
  },
  "oklch": {
    "l": 0.29252,
    "c": 0.13413,
    "h": 271.5
  },
  "luminance": 0.02227
}

Semantic roles & 50–950 ramp

primary

#181E6D

secondary

#A39C3E

accent

#DB41E7

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #181E6D

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

Preview Lab → · Contrast checker → · Palette generator →