#181E68#181E68

#181E68 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 28.7% C 0.127 H 271.8°. Best body text is #FFFFFF at 14.74:1 contrast (WCAG AA passes).

Color values

HEX	#181E68
RGB	rgb(24, 30, 104)
HSL	hsl(236, 63%, 25%)
HSV	hsv(236, 77%, 41%)
CMYK	cmyk(76.9%, 71.2%, 0%, 59.2%)
CIE-LAB	lab(16.11, 25.33, -43.93)
CIE-LCH	lch(16.11, 50.71, 299.96°)
OKLab	oklab(28.72% 0.004 -0.127)
OKLCH	oklch(28.72% 0.127 271.8)
XYZ	xyz(3.3388, 2.1219, 13.3276)
Luminance	0.0212 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181E68 #686218

analogous

#184668 #181E68 #3A1868

triadic

#181E68 #68181E #1E6818

tetradic

#181E68 #681846 #686218 #18683A

square

#181E68 #681846 #686218 #18683A

split-complementary

#181E68 #683A18 #466818

monochromatic

#060719 #0D1036 #181E68 #232C9A #2F3BCB

Accessibility & contrast

On white

14.74

#181E68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#181E68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181E68

14.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181E68	#FFFFFF	#000000	##FFFFFF
##181E68	1.00	14.74	1.42	14.74
#FFFFFF	14.74	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C6A

Deuteranopia (green-blind)

#002467

Tritanopia (blue-blind)

#003240

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #181e68;
/* rgb */ color: rgb(24, 30, 104);
/* oklch */ color: oklch(28.7% 0.127 271.8);

Tailwind

colors: {
  custom: {
    50: '#635a94',
    500: '#181e68',
    950: '#000000',
  },
}

SCSS

$custom: #181e68;
$custom-light: #635a94;
$custom-dark: #000000;

JSON

{
  "hex": "#181e68",
  "rgb": {
    "r": 24,
    "g": 30,
    "b": 104
  },
  "hsl": {
    "h": 235.5,
    "s": 62.5,
    "l": 25.098
  },
  "oklch": {
    "l": 0.28718,
    "c": 0.1271,
    "h": 271.8
  },
  "luminance": 0.02122
}

Semantic roles & 50–950 ramp

primary

#181E68

secondary

#9E973E

accent

#D942E6

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #181E68

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

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