#181E6C#181E6C

#181E6C is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.1% C 0.133 H 271.5°. Best body text is #FFFFFF at 14.57:1 contrast (WCAG AA passes).

Color values

HEX	#181E6C
RGB	rgb(24, 30, 108)
HSL	hsl(236, 64%, 26%)
HSV	hsv(236, 78%, 42%)
CMYK	cmyk(77.8%, 72.2%, 0%, 57.6%)
CIE-LAB	lab(16.53, 26.87, -45.87)
CIE-LCH	lch(16.53, 53.16, 300.37°)
OKLab	oklab(29.15% 0.0035 -0.1327)
OKLCH	oklch(29.15% 0.133 271.5)
XYZ	xyz(3.5468, 2.2051, 14.4231)
Luminance	0.0221 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181E6C #6C6618

analogous

#18486C #181E6C #3C186C

triadic

#181E6C #6C181E #1E6C18

tetradic

#181E6C #6C1848 #6C6618 #186C3C

square

#181E6C #6C1848 #6C6618 #186C3C

split-complementary

#181E6C #6C3C18 #486C18

monochromatic

#060719 #0D103A #181E6C #232C9E #2E3AD0

Accessibility & contrast

On white

14.57

#181E6C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#181E6C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181E6C

14.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181E6C	#FFFFFF	#000000	##FFFFFF
##181E6C	1.00	14.57	1.44	14.57
#FFFFFF	14.57	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D6E

Deuteranopia (green-blind)

#00256B

Tritanopia (blue-blind)

#003342

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #181e6c;
/* rgb */ color: rgb(24, 30, 108);
/* oklch */ color: oklch(29.1% 0.133 271.5);

Tailwind

colors: {
  custom: {
    50: '#645a97',
    500: '#181e6c',
    950: '#000000',
  },
}

SCSS

$custom: #181e6c;
$custom-light: #645a97;
$custom-dark: #000000;

JSON

{
  "hex": "#181e6c",
  "rgb": {
    "r": 24,
    "g": 30,
    "b": 108
  },
  "hsl": {
    "h": 235.714,
    "s": 63.636,
    "l": 25.882
  },
  "oklch": {
    "l": 0.29145,
    "c": 0.13275,
    "h": 271.5
  },
  "luminance": 0.02205
}

Semantic roles & 50–950 ramp

primary

#181E6C

secondary

#A29B3E

accent

#DB41E7

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030D

muted

#7A787E

Preview Lab

Preview with #181E6C

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

Preview Lab → · Contrast checker → · Palette generator →