#181E6B#181E6B

#181E6B is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.0% C 0.131 H 271.6°. Best body text is #FFFFFF at 14.62:1 contrast (WCAG AA passes).

Color values

HEX	#181E6B
RGB	rgb(24, 30, 107)
HSL	hsl(236, 63%, 26%)
HSV	hsv(236, 78%, 42%)
CMYK	cmyk(77.6%, 72%, 0%, 58%)
CIE-LAB	lab(16.42, 26.49, -45.39)
CIE-LCH	lch(16.42, 52.55, 300.27°)
OKLab	oklab(29.04% 0.0036 -0.1313)
OKLCH	oklch(29.04% 0.131 271.6)
XYZ	xyz(3.4939, 2.1839, 14.1445)
Luminance	0.0218 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181E6B #6B6518

analogous

#18476B #181E6B #3B186B

triadic

#181E6B #6B181E #1E6B18

tetradic

#181E6B #6B1847 #6B6518 #186B3B

square

#181E6B #6B1847 #6B6518 #186B3B

split-complementary

#181E6B #6B3B18 #476B18

monochromatic

#060719 #0D1039 #181E6B #232C9D #2E3ACF

Accessibility & contrast

On white

14.62

#181E6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#181E6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181E6B

14.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181E6B	#FFFFFF	#000000	##FFFFFF
##181E6B	1.00	14.62	1.44	14.62
#FFFFFF	14.62	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D6D

Deuteranopia (green-blind)

#00256A

Tritanopia (blue-blind)

#003342

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #181e6b;
/* rgb */ color: rgb(24, 30, 107);
/* oklch */ color: oklch(29.0% 0.131 271.6);

Tailwind

colors: {
  custom: {
    50: '#645a96',
    500: '#181e6b',
    950: '#000000',
  },
}

SCSS

$custom: #181e6b;
$custom-light: #645a96;
$custom-dark: #000000;

JSON

{
  "hex": "#181e6b",
  "rgb": {
    "r": 24,
    "g": 30,
    "b": 107
  },
  "hsl": {
    "h": 235.663,
    "s": 63.359,
    "l": 25.686
  },
  "oklch": {
    "l": 0.29038,
    "c": 0.13134,
    "h": 271.6
  },
  "luminance": 0.02184
}

Semantic roles & 50–950 ramp

primary

#181E6B

secondary

#A19A3E

accent

#DA41E6

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030D

muted

#7A787E

Preview Lab

Preview with #181E6B

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

Preview Lab → · Contrast checker → · Palette generator →