#181E6A#181E6A

#181E6A is a dark, vivid blue. Relative luminance 0.022; OKLCH L 28.9% C 0.130 H 271.7°. Best body text is #FFFFFF at 14.66:1 contrast (WCAG AA passes).

Color values

HEX	#181E6A
RGB	rgb(24, 30, 106)
HSL	hsl(236, 63%, 25%)
HSV	hsv(236, 77%, 42%)
CMYK	cmyk(77.4%, 71.7%, 0%, 58.4%)
CIE-LAB	lab(16.32, 26.10, -44.90)
CIE-LCH	lch(16.32, 51.94, 300.17°)
OKLab	oklab(28.93% 0.0038 -0.1299)
OKLCH	oklch(28.93% 0.13 271.7)
XYZ	xyz(3.4416, 2.1630, 13.8690)
Luminance	0.0216 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181E6A #6A6418

analogous

#18476A #181E6A #3B186A

triadic

#181E6A #6A181E #1E6A18

tetradic

#181E6A #6A1847 #6A6418 #186A3B

square

#181E6A #6A1847 #6A6418 #186A3B

split-complementary

#181E6A #6A3B18 #476A18

monochromatic

#060719 #0D1038 #181E6A #232C9C #2F3ACE

Accessibility & contrast

On white

14.66

#181E6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#181E6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181E6A

14.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181E6A	#FFFFFF	#000000	##FFFFFF
##181E6A	1.00	14.66	1.43	14.66
#FFFFFF	14.66	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C6C

Deuteranopia (green-blind)

#002569

Tritanopia (blue-blind)

#003341

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #181e6a;
/* rgb */ color: rgb(24, 30, 106);
/* oklch */ color: oklch(28.9% 0.130 271.7);

Tailwind

colors: {
  custom: {
    50: '#635a95',
    500: '#181e6a',
    950: '#000000',
  },
}

SCSS

$custom: #181e6a;
$custom-light: #635a95;
$custom-dark: #000000;

JSON

{
  "hex": "#181e6a",
  "rgb": {
    "r": 24,
    "g": 30,
    "b": 106
  },
  "hsl": {
    "h": 235.61,
    "s": 63.077,
    "l": 25.49
  },
  "oklch": {
    "l": 0.28931,
    "c": 0.12993,
    "h": 271.7
  },
  "luminance": 0.02163
}

Semantic roles & 50–950 ramp

primary

#181E6A

secondary

#A0993E

accent

#DA42E6

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030D

muted

#7A787E

Preview Lab

Preview with #181E6A

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

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